Here is the completely updated `question.php`.
I added the missing `$breadcrumbs` array and defined `$category_name` and `$topic_name` right before the header is included. This ensures that `header.php` generates the correct Breadcrumb Schema, page title, and meta description for single question pages.
Replace your entire `question.php` with this:
```php
Database Systems MCQS Questions
Q.
In SQL, which command is used to select only one copy of each set of duplicable rows
None of the above
SELECT UNIQUE
SELECT DIFFERENT
SELECT DISTINCT
All of the above
Explanation:
The correct answer to the question is: SELECT DISTINCT
Q.
Which of the following is not the responsibility of the utilities component of DBMS software?
removing flagged records for deletion
creating the physical and logical designs
creating and maintaining the data dictionary
monitoring performance
None of the above
Explanation:
The correct answer to the question is: creating the physical and logical designs
Q.
Which of the following is not a logical data-base structure?
All of the above
chain
relational
tree
network
Explanation:
The correct answer to the question is: chain
Q.
In SQL, which command is used to changes data in a table?
UPDATE
None of the above
APPEND
BROWSE
INSERT
Explanation:
The correct answer to the question is: UPDATE
Q.
The PROJECT command will create new table that has
all the fields of master table
more rows than the original table
more fields than the original table
both (a) and (b)
None of the above
Explanation:
The correct answer to the question is: None of the above
Q.
A file that is organized in uniform format is formally referred to as a _____ or a database file.
Database
Record
Document
Structured data file
None of the above
Explanation:
The correct answer to the question is: Structured data file
Q.
The activity of a file
if high, reduces processing efficiency for sequential and nonsequential files
None of the above.
is a low percentages of number of records added or deleted from a file
is a measure of the percentage of existing records updated during a run
refers to how closely the files fits into the allocated
Explanation:
The correct answer to the question is: is a low percentages of number of records added or deleted from a file
Q.
In SQL, the CREATE VIEW command is used
to create a trigger
to define a view of one or more tables or views
None of the above
to recompile view
to recompile a table
Explanation:
The correct answer to the question is: to define a view of one or more tables or views
Q.
The language used in application programs to request data from the DBMS is referred to as the
None of the above
DML
All of the above
DDL
query language
Explanation:
The correct answer to the question is: DML
Q.
The distinguishable parts of a record are called
None of the above
files
fields
data
database
Explanation:
The correct answer to the question is: fields
Q.
Large collections of files are called
None of the above
databases
fields
file system
records
Explanation:
The correct answer to the question is: databases
Q.
A report generator is used to
print files on paper
All of the above
data entry
update files
None of the above
Explanation:
The correct answer to the question is: print files on paper
Q.
The main idea behind computer files is that it is convenient to
arrange them
None of the above
create them
access them
store information together
Explanation:
The correct answer to the question is: store information together
Q.
In SQL, GRANT command is used to
None of the above
allow user to create databases
choose auditing for specific SQL commands
allow user to access databases
grant system privileges, roles, and object privileges to uses and roles
Explanation:
The correct answer to the question is: grant system privileges, roles, and object privileges to uses and roles
Q.
The relational model uses some unfamiliar terminology. A tuple is equivalent to a:
record
data base
data item
field
file
Explanation:
The correct answer to the question is: record
Q.
Data encryption techniques are particularly useful for
improving data integrity
None of the above
All of the above
protecting data in data communication systems
reducing storage space requirements
Explanation:
The correct answer to the question is: protecting data in data communication systems
Q.
Which of the following is not true of the traditional approach to information processing?
Programs are dependent on the files
There is common sharing of data among the various applications
It is inflexible
All of the above are true
It is file-oriented
Explanation:
The correct answer to the question is: There is common sharing of data among the various applications
Q.
The model for a record management system might be
a Rolodex card file
All of the above
a business form
None of the above
handwritten list
Explanation:
The correct answer to the question is: All of the above
Q.
The Management Information system (MIS) structure with one main computer system is called a
hierarchical MIS structure
centralized MIS structure
None of the above
distributed MIS structure
decentralized MIS structure
Explanation:
The correct answer to the question is: centralized MIS structure
Q.
In order to use a record management system
None of the above
You need to understand the model the record management system uses.
You need to understand the low-level details of how information in stored
All of the above
Both (a) and (b)
Explanation:
The correct answer to the question is: You need to understand the model the record management system uses.
Q.
A _____ Contains fields of data about one entity.
Document
Record
None of the above
Fields
File
Explanation:
The correct answer to the question is: Record
Q.
In SQL, which command is used to add new rows to a table?
APPEND
INSERT
ALTER TABLE
ADD ROW
None of the above
Explanation:
The correct answer to the question is: INSERT
Q.
Which of the following is not characteristic of a relational database model?
records
tables
None of the above
treelike structure
complex logical relationships
Explanation:
The correct answer to the question is: treelike structure
Q.
Which of the following contains a complete record of all activity that affected the contents of a database during a certain period of time?
data manipulation language
None of the above
transaction log
query language
report writer
Explanation:
The correct answer to the question is: transaction log
Q.
A data dictionary is a special file that contains
the data types of all fields in all files
the names of all fields in all files
All of the above
the widths of all fields in all files
None of the above
Explanation:
The correct answer to the question is: All of the above
Q.
Queries to a database
All of the above
both (a) and (b)
None of the above
are written in English
can use aggregate functions like SUM and COUNT
Explanation:
The correct answer to the question is: can use aggregate functions like SUM and COUNT
Q.
A race condition occurs when
All of the above
Two concurrent activities interact to cause a processing error
two users of the DBMS are interacting with different files at the same time
None of the above
both (a) and (b)
Explanation:
The correct answer to the question is: Two concurrent activities interact to cause a processing error
Q.
What is the name given to the database management system which is able to handle full text data, image data, audio and video?
Graphics media
Hypertext
Multimedia
Full media
None of the above
Explanation:
The correct answer to the question is: Multimedia
Q.
Which of the following command(s) is(are) used to recompile a stored procedure in SQL?
None of the above
MODIFY PROCEDURE id) All of the above
ALTER PROCEDURE
COMPILE PROCEDURE
None of the above
Explanation:
The correct answer to the question is: ALTER PROCEDURE
Q.
Which of the following is not a relational database?
Reflex
4th Dimension
FoxPro
dBASE IV
None of the above
Explanation:
The correct answer to the question is: Reflex
Q.
A list in alphabetical order
both (b) and (c)
is in ascending order
is the result of a sort operation
is in descending order
None of the above
Explanation:
The correct answer to the question is: both (b) and (c)
Q.
An indexing operation
both (b) and (c)
establishes an index for a file
sorts a file using a single key
None of the above
sorts file using two keys
Explanation:
The correct answer to the question is: establishes an index for a file
Q.
The model for a _____ resembles the hierarchical model in many respects.
Hierarchical database
Network database
None of the above
Relational database
Distributed database
Explanation:
The correct answer to the question is: Network database
Q.
A compound key
uniquely identifies an item in a list
both (a) and (b)
None of the above
is made up a several pieces of information
is a combination of each unique key
Explanation:
The correct answer to the question is: both (a) and (b)
Q.
When you have finished entering information into a form
the contents of the form are written to the data file
All of the above
the contents of the form can be printed
the template is written to the data file
None of the above
Explanation:
The correct answer to the question is: the contents of the form are written to the data file
Q.
Which of the following is a serious problem of file management systems?
All of the above
data redundancy
lack of data independence
difficult to update
program dependence
Explanation:
The correct answer to the question is: All of the above
Q.
Characteristic(s) of a distributed MIS structure is
a multiprocessing environment
None of the above
All of the above
computers supporting local DP operations
interactive sharing of the workload
Explanation:
The correct answer to the question is: All of the above
Q.
A _____ database does not use pointers or physical links, but instead finds related records by examining the contents of fields.
None of the above
Network
Object-Oriented
Relational
Hierarchical
Explanation:
The correct answer to the question is: Relational
Q.
A command that lets you change one or more fields in a record is
All of the above
Insert
None of the above
Modify
Look-up
Explanation:
The correct answer to the question is: Modify
Q.
What is the language used by most of the DBMSs for helping their users to access data?
Query language
4GL
None of the above
High level language
SQL
Explanation:
The correct answer to the question is: Query language
Q.
Each of data files has a _____ that describe the way the data is stored in the file.
File structure
Fields
None of the above
Database
Records
Explanation:
The correct answer to the question is: File structure
Q.
In SQL, which command is used to add a column/integrity constraint to a table
ADD COLUMN
ALTER TABLE
MODIFY TABLE
None of the above
INSERT COLUMN
Explanation:
The correct answer to the question is: ALTER TABLE
Q.
If a calculation is embedded in a form
All of the above
the result of the calculations are printed in report
the result of the calculations are stored with the form
None of the above
the calculations are stored with the form
Explanation:
The correct answer to the question is: the calculations are stored with the form
Q.
A number of related records that are treated as a unit is called
field
file
data
batch
None of the above
Explanation:
The correct answer to the question is: file
Q.
In any hierarchy of data organization, the smallest entity to be processed as a single unit is called
None of the above
data record
database
data file
data field
Explanation:
The correct answer to the question is: data field
Q.
A computer file contains several records. What does each record contain?
Words
Database
Fields
None of the above
Bytes
Explanation:
The correct answer to the question is: Fields
Q.
The highest level in the hierarchy of data organization is called
data file
None of the above
data bank
data record
database
Explanation:
The correct answer to the question is: database
Q.
An operation that will increase the length of a list is
Modify
Insert
Look-up
All of the above
None of the above
Explanation:
The correct answer to the question is: Insert
Q.
Which of the following hardware components is the most important to the operation of a database management system?
high speed, large-capacity disk
printer
mouse
high-resolution video display
plotter
Explanation:
The correct answer to the question is: high speed, large-capacity disk
Q.
In SQL, which of the following is not a data Manipulation Language Commands?
SELECT
DELETE
CREATE
UPDATE
None of the above
Explanation:
The correct answer to the question is: CREATE
Q.
Which command(s) is(are) used to enable/disable/drop an integrity constraint in SQL?
DEFINE TABLE
None of the above
All of the above
MODIFY TABLE
ALTER TABLE
Explanation:
The correct answer to the question is: ALTER TABLE
Q.
Which command is used to select distinct subject (SUB) from the table (BOOK)?
None of the above
All of the above
SELECT SUB FROM BOOK
SELECT ALL FROM BOOK
SELECT DISTINCT SUB FROM BOOK
Explanation:
The correct answer to the question is: SELECT DISTINCT SUB FROM BOOK
Q.
Which two files are used during operation of the DBMS?
data manipulation language and query language
data dictionary and query language
None of the above
query language and utilities
data dictionary and transaction log
Explanation:
The correct answer to the question is: data dictionary and transaction log
Q.
A form can be used to
format printed output
modify records
delete records
All of the above
None of the above
Explanation:
The correct answer to the question is: All of the above
Q.
In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent.
Hierarchical database
Network database
Relational database
None of the above
Distributed database
Explanation:
The correct answer to the question is: Hierarchical database
Q.
Long-range planning report produced in an MIS are primarily designed for
middle management
None of the above
top management
lower management
All of the above
Explanation:
The correct answer to the question is: top management
Q.
A database management system might consist of application programs and a software package called
TOTAL
FORTRAN
None of the above
BPL
AUTOFLOW
Explanation:
The correct answer to the question is: BPL
Q.
The _____ command is used to allocates an extent for the table in SQL
None of the above
REDEFINE TABLE
MODIFY ALLOCATES
ALTER TABLE
MODIFY TABLE
Explanation:
The correct answer to the question is: MODIFY ALLOCATES
Q.
In SQL, which command(s) is(are) used to enable/disable a database trigger?
ALTER DATABASE
ALTER TRIGGER
MODIFY TRIGGER
All of the above
ALTER TABLE
Explanation:
The correct answer to the question is: ALTER TRIGGER
Q.
The physical location of a record is determined by a mathematical formula that transforms a file key into a record location in
None of the above
an indexed file
a sequential file
a hashed file
a tree file
Explanation:
The correct answer to the question is: a hashed file
Q.
A large computer information system maintains many different computer files. Which amongst them is called a perpetual file?
Master file
Specialized file
Update file
None of the above
Log file
Explanation:
The correct answer to the question is: Master file
Q.
In SQL, the CREATE TABLE is used
to redefine a column
to create a table, defining its columns, integrity constrains, and storage allocation
to change a table's storage characteristics
to add a column/integrity constraint to a table
All of the above
Explanation:
The correct answer to the question is: to create a table, defining its columns, integrity constrains, and storage allocation
Q.
When performing a look-up operation using a form
you type the key in an entry line, and the correct form is displayed
None of the above
you look at each form sequentially until you see the one you want
All of the above
you enter the search value into the form
Explanation:
The correct answer to the question is: you enter the search value into the form
Q.
Data security threats include
All of the above
privacy invasion
hardware failure
fraudulent manipulation of data
None of the above
Explanation:
The correct answer to the question is: privacy invasion
Q.
In SQL, which command is used to create a database user?
None of the above
ADD USER TO DATABASE
All of the above
MK USER
CREATE USER
Explanation:
The correct answer to the question is: CREATE USER
Q.
An audit trail
All of the above
can be used to restore lost information
is the recorded history of operations performed on a file
is used to make back-up copies
None of the above
Explanation:
The correct answer to the question is: is the recorded history of operations performed on a file
Q.
The files stored on a secondary stage device are composed of a hierarchy of data. What does a record in a file contain?
Bits
Data field
Characters
None of the above
Schema
Explanation:
The correct answer to the question is: Data field
Q.
A top-to-bottom relationship among the items in a database is established by a
All of the above
Network schema
None of the above
Relational schema
Hierarchical schema
Explanation:
The correct answer to the question is: Hierarchical schema
Q.
A condition that led to the development of databases was
an increase in the amount of data handled by organizations
the proliferation of data files
None of the above.
a demand for more data to support information needs
All of the above
Explanation:
The correct answer to the question is: All of the above
Q.
Which language has recently become the de-facto standard for interfacing application programs with relational database system?
None of the above
Oracle
SQL
4GL
dBASE
Explanation:
The correct answer to the question is: SQL
Q.
In SQL, the CREATE TABLESPACE is used
to add/rename data files, to change storage
to create a database trigger
None of the above
to create a place in the database for storage of scheme objects, rollback segments, and naming the data files to comprise the tablespace
All of the above
Explanation:
The correct answer to the question is: to create a place in the database for storage of scheme objects, rollback segments, and naming the data files to comprise the tablespace
Q.
A _____ means that one record in a particular record type may be related to more than one record of another record type.
None of the above
One-to-many relationship
Many-to-one relationship
One-to-one relationship
Many-to many relationship
Explanation:
The correct answer to the question is: One-to-many relationship
Q.
In SQL, the ALTER TABLESPACE command is used
to change storage characteristics
to take a tablespace online/offline
to begin/end a backup
to add/rename data files
All of the above
Explanation:
The correct answer to the question is: All of the above
Q.
Which command(s) is(are) used to redefine a column of the table in SQL ?
MODIFY TABLE
None of the above
DEFINE TABLE
All of the above
ALTER TABLE
Explanation:
The correct answer to the question is: ALTER TABLE
Q.
Which command is used to remove an index from the database in SQL?
None of the above
ROLL BACK INDEX
DELETE INDEX
REMOVE INDEX
DROP INDEX
Explanation:
The correct answer to the question is: DROP INDEX
Q.
If you want your database to include methods, you should use a _____ database.
Distributed
Object-Oriented
Hierarchical
Network
None of the above
Explanation:
The correct answer to the question is: Object-Oriented
Q.
With respect to data input, the most accurate description of batch control is
All of the above
controlling the input of each input clerk
comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system
None of the above
dividing documents to be entered into batches
Explanation:
The correct answer to the question is: comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system
Q.
A set of programs that handle a firm's data base responsibilities is called a
None of the above
Data Base Processing System (DBPS)
Data Management System (DMS)
Data Base Management System (DBMS)
All of the above
Explanation:
The correct answer to the question is: All of the above
Q.
In a relational schema, each tuple is divided into fields called
Relations
Domains
Queries
All of the above
None of the above
Explanation:
The correct answer to the question is: Domains
Q.
Which of the following is not an advantage of the data-base approach?
All of the above are advantages
increased security
program/data independence
elimination of the data redundancy
ability to associate related data
Explanation:
The correct answer to the question is: All of the above are advantages
Q.
A _____ means that one record in a particular record type can be related to many records in another record type and vice-versa.
None of the above
One-to-one relationship
Many-to-one relationship
Many-to-many relationship
One-to-many relationship
Explanation:
The correct answer to the question is: Many-to-many relationship
Q.
Which command is used to remove a table from the database in SQL?
None of the above
ERASE TABLE
DELETE TABLE
DROP TABLE
UNATTACH TABLE
Explanation:
The correct answer to the question is: DROP TABLE
Q.
When using a database management system, the first thing that you must do is to
load the software into your micro
keep a floppy disk in readiness
None of the above
activate file editor
create a database file
Explanation:
The correct answer to the question is: load the software into your micro
Q.
Data items grouped together for storage purposes are called a
None of the above
list
string
record
title
Explanation:
The correct answer to the question is: record
Q.
Data item characteristics that are important in data management include
width
None of the above
language
punctuation
spelling
Explanation:
The correct answer to the question is: width
Q.
Sort/report generators
both (a) and (b)
None of the above
are faster than index/report generators
require more disk space than index/report generators
do not need to sort before generating a report
Explanation:
The correct answer to the question is: require more disk space than index/report generators
Q.
An-owner-member set in the CODASYL specifications may have
All of the above
only one member but many member occurrence
more than one member but only one occurrence per member
only one owner but many owner occurrences
None of the above
Explanation:
The correct answer to the question is: only one owner but many owner occurrences
Q.
The master list of an indexed file
is sorted in ascending order
contains only a list of keys and record numbers
has a number assigned to each record
None of the above
both (b) and (c)
Explanation:
The correct answer to the question is: has a number assigned to each record
Q.
The designer of a form includes
filed designators
None of the above
prompts
both (a) and (b)
data
Explanation:
The correct answer to the question is: both (a) and (b)
Q.
After you _____ a record, many data management the environments require you to issue a command to save the changes you made.
None of the above
Delete
Update
Index
Sort key
Explanation:
The correct answer to the question is: Update
Q.
In a large DBMS
each user can "see" only a small part of the entire database
All of the above
each user can access every sub
each subschema contains every field in the logical schema
None of the above
Explanation:
The correct answer to the question is: each user can "see" only a small part of the entire database
Q.
The index consists of
pointers to the master list
a list of keys
both (a) and (b)
None of the above
All of the above
Explanation:
The correct answer to the question is: both (a) and (b)
Q.
A network schema
stores data in tables
restricts the structure to a one-to-many relationship
permits many-to-many relation
None of the above
All of the above
Explanation:
The correct answer to the question is: permits many-to-many relation
Q.
In SQL, which command(s) is(are) used to create a synonym for a schema object?
None of the above
CREATE SAME
CREATE SCHEMA
CREATE SYNONYM
All of the above
Explanation:
The correct answer to the question is: CREATE SYNONYM
Q.
The database administration function includes
database access planning
None of the above
All of the above
application programming
computer operations management
Explanation:
The correct answer to the question is: database access planning
Q.
If the record management system allows you to edit values before they are recorded on disk, you can
All of the above
change the name of a field
correct spelling changes before they are recorded
None of the above
change the width of a field
Explanation:
The correct answer to the question is: correct spelling changes before they are recorded
Q.
What name is given to the collection of facts, items of information or data which are related in some way?
Information provider
Information tree
Database
Directory information
None of the above
Explanation:
The correct answer to the question is: Database
Q.
A database management system
allows simultaneous access to multiple files
is a collection of programs for managing data in a single file
None of the above
can do more than a record management system
both (a) and (b)
Explanation:
The correct answer to the question is: both (a) and (b)
Q.
Two files may be joined into a third file if
both (b) and (c)
None of the above
they have a row in common
they have a field in common
they have no records with the same value in the common field
Explanation:
The correct answer to the question is: they have a field in common
Q.
A _____ means that one record in a particular record type is related to only one record of another record type.
None of the above
One-to-one relationship
Many-to-many relationship
One-to-many relationship
Many-to-one relationship
Explanation:
The correct answer to the question is: One-to-one relationship
Q.
Versatile report generators can provide
All of the above
Columnar totals
Subtotals
None of the above
Calculations
Explanation:
The correct answer to the question is: All of the above
Q.
The logical data structure with a one-to-many relationship is a :
tree
network
None of the above
chain
relational
Explanation:
The correct answer to the question is: tree
Q.
If you want to group the records in the abc database, you could use the Jobcode as the _____.
None of the above
Update
Sort Key
Index
Delete
Explanation:
The correct answer to the question is: Sort Key
Q.
Which of the following is a database administrator's function?
All of the above
backing up the database
user coordination
database design
performance monitoring
Explanation:
The correct answer to the question is: All of the above
Q.
Primitive operations common to all record management systems include
All of the above
None of the above
Print
Sort
Look-up
Explanation:
The correct answer to the question is: Look-up
Q.
A logical schema
All of the above
describes how data is actually stored on disk
is the entire database
None of the above
is a standard way of organizing information into accessible parts
Explanation:
The correct answer to the question is: is a standard way of organizing information into accessible parts
Q.
Batch processing is appropriate if
a large computer system is available
only a small computer system is available
All of the above
None of the above
only a few transactions are involved
Explanation:
The correct answer to the question is: None of the above
Q.
It is more accurate to define a _____ as a variety of different record types that are treated as a single unit
Flat File
None of the above
Database
Record
Table
Explanation:
The correct answer to the question is: Database
Q.
Updating a database means
revising the file structure
All of the above
None of the above
modifying or adding record occurrences
reorganizing the database
Explanation:
The correct answer to the question is: modifying or adding record occurrences
Q.
Sophisticated report generators can
perform arithmetic operations
print row-oriented reports
selectively retrieve and print portions of a list
All of the above
None of the above
Explanation:
The correct answer to the question is: All of the above
Q.
A scheme describes
None of the above
record relationships
data elements
records and files
All of the above
Explanation:
The correct answer to the question is: All of the above
Q.
The data dictionary tells the DBMS
All of the above
what attribute are possessed by the data
what these files contain
None of the above
what files are in the database
Explanation:
The correct answer to the question is: All of the above
Q.
Embedded pointer provide
a secondary access path
None of the above
a physical record key
All of the above
an inverted index
Explanation:
The correct answer to the question is: a secondary access path
Q.
In SQL, which command(s) is(are) used to redefine an index's future storage allocation
None of the above
REDEFINE INDEX
MODIFY INDEX
ALTER INDEX
DO INDEX
Explanation:
The correct answer to the question is: ALTER INDEX
Q.
Related fields in a data base are grouped to form
menu
data record
bank
None of the above
data file
Explanation:
The correct answer to the question is: data record
Q.
Which of the following is true of a network structure?
It will be the dominant data base of the future
It allows a many-to-many relationship
It is conceptually simple
None of the above
It is a physical representation of the data
Explanation:
The correct answer to the question is: It allows a many-to-many relationship
Q.
In SQL, which command is used to select data in rows and column from one or more tables?
LIST
BROWSE
None of the above
SELECT
CHOOSE
Explanation:
The correct answer to the question is: SELECT
Q.
A data dictionary doesn't provide information about:
It is conceptually simple
where data is located
It allows a many-to-many relationship
the size of the disk storage device
It will be the dominant data base of the future
Explanation:
The correct answer to the question is: the size of the disk storage device
Q.
The on-line, softcopy display a customer's charge account to respond to an inquiry is an examples of a
forecasting report
regularly scheduled report
exception report
None of the above
on demand report
Explanation:
The correct answer to the question is: on demand report
Q.
A form defines
None of the above
where data is placed on the screen
both (a) and (b)
All of the above
the width of each field
Explanation:
The correct answer to the question is: both (a) and (b)
Q.
A file produced by a spreadsheet
can be used as it by the DBMS
is generally stored on disk in an ASCII text format
All of the above
None of the above
can be used for graphic
Explanation:
The correct answer to the question is: is generally stored on disk in an ASCII text format
Q.
The data-base environment has all of the following components except:
data-base administrator
data base
separate files
None of the above
users
Explanation:
The correct answer to the question is: separate files
Q.
Internal auditors should review data system design before they are
All of the above
modified
developed
implemented
None of the above
Explanation:
The correct answer to the question is: All of the above
Q.
To have a file hold a list, it is necessary to
identify the records in the list
None of the above
All of the above
decide which fields will be used as sort or index keys
identify the name, width and type of the fields of each record.
Explanation:
The correct answer to the question is: All of the above
Q.
In SQL, which command is used to remove a stored function from the database?
DROP FUNCTION
ERASE FUNCTION
None of the above
DELETE FUNCTION
REMOVE FUNCTION
Explanation:
The correct answer to the question is: DROP FUNCTION
Q.
In the DBM approach, application programs perform the
storage function
All of the above
access control
processing functions
None of the above
Explanation:
The correct answer to the question is: processing functions
Q.
In SQL, which command(s) is(are) used to enable/disable all triggers on a table?
All of the above
None of the above
ALTER TRIGGERS
ALTER TABLE
MODIFY TRIGGERS IN TABLE
Explanation:
The correct answer to the question is: ALTER TABLE
Q.
Which of the following is a type of DBMS software?
utilities
report writer
All of the above
query language
database manipulation language
Explanation:
The correct answer to the question is: database manipulation language
Q.
In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction?
ZIP
SAVE
PACK
None of the above
COMMIT
Explanation:
The correct answer to the question is: COMMIT
Q.
A relational database management (RDBM) package manages data in more than one file at once. How does it organize these file? As
relations
both (a) and (b)
None of the above
tuple
tables
Explanation:
The correct answer to the question is: both (a) and (b)
Q.
A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be
All of the above
None of the above
the last name
a compound key consisting of the first name and the last name
the pin code
Explanation:
The correct answer to the question is: a compound key consisting of the first name and the last name
Q.
Periodically adding, changing and deleting file records is called file
upgrading
renewing
Updating
None of the above
restructuring
Explanation:
The correct answer to the question is: Updating
Q.
A ____ Contains the smallest unit of meaningful data, so you might call it the basic building block for a data file.
None of the above
File structure
Database
Records
Fields
Explanation:
The correct answer to the question is: Fields
Q.
In SQL, the _____ command is used to recompile a view
DEFINE VIEW
CREATE VIEW
ALTER VIEW
COMPILE VIEW
None of the above
Explanation:
The correct answer to the question is: ALTER VIEW
Q.
If a piece of data is stored in two places in the database, then
both (a) and (b)
storage space is wasted
it can be more easily accessed
changing the data is one spot will cause data inconsistency
None of the above
Explanation:
The correct answer to the question is: both (a) and (b)
Q.
What is the abbreviation used for a software package that permits the users to create, retrieve and maintain records in a database?
None of the above
DBMS
FMS
EMMS
DASD
Explanation:
The correct answer to the question is: DBMS
Q.
The way a particular application views the data from the data base that the application uses is a :