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
SELECT DIFFERENT
SELECT UNIQUE
All of the above
SELECT DISTINCT
None 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?
None of the above
removing flagged records for deletion
creating and maintaining the data dictionary
creating the physical and logical designs
monitoring performance
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?
chain
network
All of the above
tree
relational
Explanation:
The correct answer to the question is: chain
Q.
In SQL, which command is used to changes data in a table?
None of the above
BROWSE
APPEND
UPDATE
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
None of the above
more fields than the original table
both (a) and (b)
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
None of the above
Structured data file
Record
Document
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
is a low percentages of number of records added or deleted from a file
None of the above.
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 define a view of one or more tables or views
None of the above
to recompile view
to recompile a table
to create a trigger
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
query language
DDL
All of the above
None of the above
DML
Explanation:
The correct answer to the question is: DML
Q.
The distinguishable parts of a record are called
files
database
fields
data
None of the above
Explanation:
The correct answer to the question is: fields
Q.
Large collections of files are called
databases
file system
fields
None of the above
records
Explanation:
The correct answer to the question is: databases
Q.
A report generator is used to
print files on paper
update files
data entry
All of the above
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
None of the above
access them
arrange them
create them
store information together
Explanation:
The correct answer to the question is: store information together
Q.
In SQL, GRANT command is used to
choose auditing for specific SQL commands
None of the above
grant system privileges, roles, and object privileges to uses and roles
allow user to create databases
allow user to access databases
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 item
data base
field
file
Explanation:
The correct answer to the question is: record
Q.
Data encryption techniques are particularly useful for
All of the above
None of the above
reducing storage space requirements
protecting data in data communication systems
improving data integrity
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?
There is common sharing of data among the various applications
It is inflexible
All of the above are true
Programs are dependent on the files
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
None of the above
All of the above
a Rolodex card file
a business form
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
distributed MIS structure
None of the above
centralized MIS structure
decentralized MIS structure
hierarchical MIS structure
Explanation:
The correct answer to the question is: centralized MIS structure
Q.
In order to use a record management system
You need to understand the model the record management system uses.
You need to understand the low-level details of how information in stored
None of the above
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.
File
None of the above
Record
Document
Fields
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
ADD ROW
None of the above
ALTER TABLE
Explanation:
The correct answer to the question is: INSERT
Q.
Which of the following is not characteristic of a relational database model?
treelike structure
None of the above
complex logical relationships
records
tables
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?
None of the above
query language
data manipulation language
transaction log
report writer
Explanation:
The correct answer to the question is: transaction log
Q.
A data dictionary is a special file that contains
the widths of all fields in all files
the data types of all fields in all files
None of the above
the names of all fields in all files
All of the above
Explanation:
The correct answer to the question is: All of the above
Q.
Queries to a database
None of the above
All of the above
can use aggregate functions like SUM and COUNT
are written in English
both (a) and (b)
Explanation:
The correct answer to the question is: can use aggregate functions like SUM and COUNT
Q.
A race condition occurs when
two users of the DBMS are interacting with different files at the same time
both (a) and (b)
All of the above
Two concurrent activities interact to cause a processing error
None of the above
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?
Multimedia
Graphics media
None of the above
Full media
Hypertext
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?
ALTER PROCEDURE
COMPILE PROCEDURE
None of the above
None of the above
MODIFY PROCEDURE id) All of the above
Explanation:
The correct answer to the question is: ALTER PROCEDURE
Q.
Which of the following is not a relational database?
None of the above
4th Dimension
dBASE IV
FoxPro
Reflex
Explanation:
The correct answer to the question is: Reflex
Q.
A list in alphabetical order
None of the above
both (b) and (c)
is in ascending order
is in descending order
is the result of a sort operation
Explanation:
The correct answer to the question is: both (b) and (c)
Q.
An indexing operation
None of the above
sorts a file using a single key
establishes an index for a file
sorts file using two keys
both (b) and (c)
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.
None of the above
Hierarchical database
Relational database
Distributed database
Network database
Explanation:
The correct answer to the question is: Network database
Q.
A compound key
is a combination of each unique key
None of the above
uniquely identifies an item in a list
both (a) and (b)
is made up a several pieces of information
Explanation:
The correct answer to the question is: both (a) and (b)
Q.
When you have finished entering information into a form
the template is written to the data file
the contents of the form are written to the data file
All of the above
None of the above
the contents of the form can be printed
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?
difficult to update
All of the above
data redundancy
program dependence
lack of data independence
Explanation:
The correct answer to the question is: All of the above
Q.
Characteristic(s) of a distributed MIS structure is
None of the above
All of the above
computers supporting local DP operations
interactive sharing of the workload
a multiprocessing environment
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.
Relational
Hierarchical
Network
None of the above
Object-Oriented
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
Modify
None of the above
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?
SQL
High level language
None of the above
Query language
4GL
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
Database
Records
None of the above
Fields
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
INSERT COLUMN
ADD COLUMN
None of the above
MODIFY TABLE
ALTER TABLE
Explanation:
The correct answer to the question is: ALTER TABLE
Q.
If a calculation is embedded in a form
the result of the calculations are stored with the form
the result of the calculations are printed in report
All of the above
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
None of the above
field
batch
data
file
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
data field
data record
database
None of the above
data file
Explanation:
The correct answer to the question is: data field
Q.
A computer file contains several records. What does each record contain?
Words
Fields
Bytes
None of the above
Database
Explanation:
The correct answer to the question is: Fields
Q.
The highest level in the hierarchy of data organization is called
database
data record
None of the above
data bank
data file
Explanation:
The correct answer to the question is: database
Q.
An operation that will increase the length of a list is
Insert
All of the above
Look-up
None of the above
Modify
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
mouse
high-resolution video display
printer
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?
DELETE
None of the above
SELECT
UPDATE
CREATE
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?
ALTER TABLE
DEFINE TABLE
All of the above
MODIFY TABLE
None of the above
Explanation:
The correct answer to the question is: ALTER TABLE
Q.
Which command is used to select distinct subject (SUB) from the table (BOOK)?
SELECT ALL FROM BOOK
SELECT DISTINCT SUB FROM BOOK
None of the above
SELECT SUB FROM BOOK
All of the above
Explanation:
The correct answer to the question is: SELECT DISTINCT SUB FROM BOOK
Q.
Which two files are used during operation of the DBMS?
query language and utilities
data dictionary and transaction log
None of the above
data manipulation language and query language
data dictionary and query language
Explanation:
The correct answer to the question is: data dictionary and transaction log
Q.
A form can be used to
All of the above
format printed output
delete records
None of the above
modify records
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.
Network database
Hierarchical database
None of the above
Distributed database
Relational database
Explanation:
The correct answer to the question is: Hierarchical database
Q.
Long-range planning report produced in an MIS are primarily designed for
top management
middle management
All of the above
None of the above
lower management
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
BPL
AUTOFLOW
None of the above
Explanation:
The correct answer to the question is: BPL
Q.
The _____ command is used to allocates an extent for the table in SQL
MODIFY TABLE
REDEFINE TABLE
MODIFY ALLOCATES
ALTER TABLE
None of the above
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?
All of the above
ALTER TABLE
ALTER DATABASE
MODIFY TRIGGER
ALTER TRIGGER
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
a hashed file
an indexed file
a tree file
a sequential 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?
None of the above
Update file
Specialized file
Log file
Master file
Explanation:
The correct answer to the question is: Master file
Q.
In SQL, the CREATE TABLE is used
to add a column/integrity constraint to a table
to redefine a column
to create a table, defining its columns, integrity constrains, and storage allocation
All of the above
to change a table's storage characteristics
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
All of the above
you look at each form sequentially until you see the one you want
None of the above
you type the key in an entry line, and the correct form is displayed
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
None of the above
hardware failure
privacy invasion
All of the above
fraudulent manipulation of data
Explanation:
The correct answer to the question is: privacy invasion
Q.
In SQL, which command is used to create a database user?
All of the above
ADD USER TO DATABASE
MK USER
None of the above
CREATE USER
Explanation:
The correct answer to the question is: CREATE USER
Q.
An audit trail
is used to make back-up copies
None of the above
All of the above
can be used to restore lost information
is the recorded history of operations performed on a file
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?
Schema
Bits
Characters
None of the above
Data field
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
Hierarchical schema
None of the above
Relational schema
All of the above
Network schema
Explanation:
The correct answer to the question is: Hierarchical schema
Q.
A condition that led to the development of databases was
All of the above
None of the above.
an increase in the amount of data handled by organizations
the proliferation of data files
a demand for more data to support information needs
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?
SQL
dBASE
Oracle
None of the above
4GL
Explanation:
The correct answer to the question is: SQL
Q.
In SQL, the CREATE TABLESPACE is used
None of the above
to add/rename data files, to change storage
All 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
to create a database trigger
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.
Many-to many relationship
None of the above
One-to-many relationship
Many-to-one relationship
One-to-one relationship
Explanation:
The correct answer to the question is: One-to-many relationship
Q.
In SQL, the ALTER TABLESPACE command is used
to add/rename data files
to begin/end a backup
to take a tablespace online/offline
to change storage characteristics
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 ?
All of the above
None of the above
DEFINE TABLE
MODIFY TABLE
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
DROP INDEX
REMOVE INDEX
ROLL BACK INDEX
DELETE 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.
None of the above
Distributed
Network
Hierarchical
Object-Oriented
Explanation:
The correct answer to the question is: Object-Oriented
Q.
With respect to data input, the most accurate description of batch control is
dividing documents to be entered into batches
None of the above
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
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
Data Management System (DMS)
All of the above
Data Base Management System (DBMS)
Data Base Processing System (DBPS)
None 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
None of the above
Domains
All of the above
Relations
Queries
Explanation:
The correct answer to the question is: Domains
Q.
Which of the following is not an advantage of the data-base approach?
increased security
ability to associate related data
program/data independence
All of the above are advantages
elimination of the data redundancy
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
Many-to-many relationship
One-to-many relationship
One-to-one relationship
Many-to-one 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?
ERASE TABLE
None of the above
DROP TABLE
UNATTACH TABLE
DELETE 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
None of the above
keep a floppy disk in readiness
activate file editor
load the software into your micro
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
record
string
list
None of the above
title
Explanation:
The correct answer to the question is: record
Q.
Data item characteristics that are important in data management include
None of the above
punctuation
spelling
width
language
Explanation:
The correct answer to the question is: width
Q.
Sort/report generators
both (a) and (b)
do not need to sort before generating a report
require more disk space than index/report generators
are faster than index/report generators
None of the above
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
more than one member but only one occurrence per member
All of the above
only one member but many member occurrence
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
contains only a list of keys and record numbers
both (b) and (c)
is sorted in ascending order
None of the above
has a number assigned to each record
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
both (a) and (b)
prompts
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.
Update
Delete
None of the above
Index
Sort key
Explanation:
The correct answer to the question is: Update
Q.
In a large DBMS
None of the above
each subschema contains every field in the logical schema
each user can "see" only a small part of the entire database
each user can access every sub
All 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
None of the above
All of the above
a list of keys
pointers to the master list
both (a) and (b)
Explanation:
The correct answer to the question is: both (a) and (b)
Q.
A network schema
All of the above
permits many-to-many relation
stores data in tables
restricts the structure to a one-to-many relationship
None 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 SYNONYM
All of the above
CREATE SCHEMA
Explanation:
The correct answer to the question is: CREATE SYNONYM
Q.
The database administration function includes
None of the above
All of the above
computer operations management
database access planning
application programming
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 width of a field
correct spelling changes before they are recorded
change the name of a field
None of the above
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 tree
Information provider
None of the above
Directory information
Database
Explanation:
The correct answer to the question is: Database
Q.
A database management system
both (a) and (b)
is a collection of programs for managing data in a single file
can do more than a record management system
allows simultaneous access to multiple files
None of the above
Explanation:
The correct answer to the question is: both (a) and (b)
Q.
Two files may be joined into a third file if
they have a row in common
they have no records with the same value in the common field
None of the above
both (b) and (c)
they have a field in common
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.
Many-to-one relationship
One-to-many relationship
None of the above
Many-to-many relationship
One-to-one relationship
Explanation:
The correct answer to the question is: One-to-one relationship
Q.
Versatile report generators can provide
None of the above
Columnar totals
Calculations
All of the above
Subtotals
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
chain
network
relational
None of the above
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 _____.
Update
Index
Delete
None of the above
Sort Key
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
performance monitoring
database design
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
Look-up
None of the above
Sort
Print
Explanation:
The correct answer to the question is: Look-up
Q.
A logical schema
describes how data is actually stored on disk
is a standard way of organizing information into accessible parts
All of the above
None of the above
is the entire database
Explanation:
The correct answer to the question is: is a standard way of organizing information into accessible parts
Q.
Batch processing is appropriate if
All of the above
only a few transactions are involved
only a small computer system is available
None of the above
a large computer system is available
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
Table
Record
Database
None of the above
Flat File
Explanation:
The correct answer to the question is: Database
Q.
Updating a database means
reorganizing the database
modifying or adding record occurrences
revising the file structure
None of the above
All of the above
Explanation:
The correct answer to the question is: modifying or adding record occurrences
Q.
Sophisticated report generators can
None of the above
perform arithmetic operations
selectively retrieve and print portions of a list
All of the above
print row-oriented reports
Explanation:
The correct answer to the question is: All of the above
Q.
A scheme describes
records and files
None of the above
data elements
All of the above
record relationships
Explanation:
The correct answer to the question is: All of the above
Q.
The data dictionary tells the DBMS
what files are in the database
All of the above
what attribute are possessed by the data
what these files contain
None of the above
Explanation:
The correct answer to the question is: All of the above
Q.
Embedded pointer provide
a secondary access path
an inverted index
a physical record key
All of the above
None of the above
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
ALTER INDEX
MODIFY INDEX
REDEFINE INDEX
DO INDEX
None of the above
Explanation:
The correct answer to the question is: ALTER INDEX
Q.
Related fields in a data base are grouped to form
data file
data record
menu
None of the above
bank
Explanation:
The correct answer to the question is: data record
Q.
Which of the following is true of a network structure?
None of the above
It is conceptually simple
It allows a many-to-many relationship
It is a physical representation of the data
It will be the dominant data base of the future
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?
CHOOSE
None of the above
LIST
SELECT
BROWSE
Explanation:
The correct answer to the question is: SELECT
Q.
A data dictionary doesn't provide information about:
the size of the disk storage device
It is conceptually simple
It allows a many-to-many relationship
where data is located
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
regularly scheduled report
forecasting report
None of the above
exception report
on demand report
Explanation:
The correct answer to the question is: on demand report
Q.
A form defines
the width of each field
both (a) and (b)
where data is placed on the screen
None of the above
All of the above
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
can be used for graphic
is generally stored on disk in an ASCII text format
None of the above
All of the above
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:
users
data base
separate files
None of the above
data-base administrator
Explanation:
The correct answer to the question is: separate files
Q.
Internal auditors should review data system design before they are
modified
None of the above
implemented
developed
All 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
None of the above
All of the above
identify the name, width and type of the fields of each record.
decide which fields will be used as sort or index keys
identify the records in the list
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?
None of the above
DELETE FUNCTION
ERASE FUNCTION
DROP FUNCTION
REMOVE FUNCTION
Explanation:
The correct answer to the question is: DROP FUNCTION
Q.
In the DBM approach, application programs perform the
storage function
None of the above
processing functions
All of the above
access control
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?
MODIFY TRIGGERS IN TABLE
ALTER TRIGGERS
All of the above
ALTER TABLE
None of the above
Explanation:
The correct answer to the question is: ALTER TABLE
Q.
Which of the following is a type of DBMS software?
database manipulation language
query language
utilities
All of the above
report writer
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
PACK
None of the above
COMMIT
SAVE
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
both (a) and (b)
None of the above
relations
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
None of the above
All of the above
a compound key consisting of the first name and the last name
the pin code
the last name
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
None of the above
restructuring
Updating
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.
Database
Fields
Records
None of the above
File structure
Explanation:
The correct answer to the question is: Fields
Q.
In SQL, the _____ command is used to recompile a view
ALTER VIEW
COMPILE VIEW
None of the above
CREATE VIEW
DEFINE VIEW
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
changing the data is one spot will cause data inconsistency
both (a) and (b)
it can be more easily accessed
storage space is wasted
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?
DASD
EMMS
FMS
DBMS
None of the above
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 :