UNIQUE
IDENTITY
INCREMENT
ADD
B. IDENTITY
Table
Database
Row
Column
The GRANT command can be used to grant a user access to databases and tables whereas The REVOKE command can be used to revoke all access privileges already assigned to the user.
The REVOKE command can be used to grant a user access to databases and tables whereas The GRANT command can be used to revoke all access privileges already assigned to the user.
A transaction can be rolled back to its last saved state.
None of the above
All columns must be identical in number and order.
There must be compatibility between data types.
Both A and B
None of the above
At run time, temporary tables can be created.
Temporary table can do similar operations to normal table.
Both A) and B)
None of the above
Infinite Loop
Null State
False State
True State
.
!
--
#
DATE
TIME(fsp)
YEAR
None of the above
It returns the no of record of table
It returns the no of record of database
It returns the no of record of row
It returns the no of record of column
Change
Delete
Modify
Drop
A single or multiple rows can be accessed using this command from one or more tables of a database. Using the WHERE clause with this command is also possible.
Using this command, you can remove or erase recorded information from a database table.
Database data can be updated or changed using this command.
It enables you to create new databases, tables, table views, and other objects using this command.
DUPLICATE
DISTINCT
REMOVE
DROP
MIN()
MAX()
LARGE()
AVG()
CHAR
ALTER
CONCAT
MERGE
Views that depend on a single table can be updated.
An update of a view created from more than one table will not be allowed by SQL.
There should be no NULL values in the fields of view.
All of the above
SQL ALL Operator
SQL OR Operator
SQL LIKE Operator
All of the above
Primary
Unique
Composite
None of the above
Export
Import
Save
Exchange
Data Multiplication Language
Data Manipulation Language
Data Modify Language
Data Mapping Language
The DCL commands in SQL allow us to control which users have access to the data stored in SQL tables.
There will be certain privileges that each user has; consequently, the data can be accessed by them.
The DCL commands in SQL allow us to grant privileges to a user on the SQL database and its table(s), or revoke privileges that have already been granted.
All of the above
1
2
3
4
A single or multiple rows can be accessed using this command from one or more tables of a database. Using the WHERE clause with this command is also possible.
Database data can be updated or changed using this command.
Database objects such as tables, table views, and other objects can be deleted using this command.
Using this command, you can remove or erase recorded information from a database table.
Round
Hierarchal
Linear
None of the above
Low case
Letter case
Light case
Lower case
0
1
Null
All of the above
In the database management system, this SQL statement deletes the existing database, together with all the database tables and views.
In this SQL statement, the data or records are inserted into an existing database table. One query statement can insert multiple records simultaneously using this statement.
By executing this SQL statement, all records in the SQL database will be deleted.
The data specified in this table or view is reported in this SQL statement.
AVG()
FIRST()
LAST()
All of the above
CONVERT
CHANGE
CAST
TRANSIT
Transaction
Commit
Rollback
All of the above
VARCHAR can store upto 4000 bytes and VARCHAR2 can store upto 8000 bytes.
VARCHAR can store upto 2000 bytes and VARCHAR2 can store upto 4000 bytes.
Both VARCHAR and VARCHAR2 are similar but use of VARCHAR2 is mostly recommended.
There is no similarity between VARCHAR and VARCHAR2.
Maintain the data in hierarchal database management systems.
Maintain the data in relational database management systems.
Maintain the data in network database management systems.
Maintain the data in object-oriented database management systems.