What does the DELETE Statement do?
A new table in SQL is created using this SQL statement.
By deleting the stored data, this SQL statement deletes the database.
Columns in the SQL database can be created, deleted, or modified with this SQL statement.
By executing this SQL statement, you remove the table and all the information that it contains, including the structure, views, permissions, and triggers.
Correct Answer :
B. By deleting the stored data, this SQL statement deletes the database.
By deleting the stored data, DELETE SQL statement deletes the database.
Related Questions
C in CRUD Operator means
To add or insert data
To retrieve or fetch data
To update the data
To delete the data
Foreign key is a field in a table that is _______ key in another table?
Primary
Unique
Composite
None of the above
Which of the following statement is TRUE?
A DATABASE name can be renamed.
A TABLE name can be renamed.
Both A and B
None of the above
Full form of LCASE is -
Low case
Letter case
Light case
Lower case
SQL EXCEPT returns the record from -
First SELECT Query
Second SELECT Query
Third SELECT Query
None of the above
What does the SELECT Statement do?
Data is read from the SQL database by this statement and displayed to the database user.
The stored data in the SQL database is changed or modified by this SQL statement.
By deleting the stored data, this SQL statement deletes the database.
A new table in SQL is created using this SQL statement.
Which of the following statement is TRUE for SQL Additional Operator?
SELECT operand1-operand2;
SELECT operand1*operand2;
SELECT operand1+operand2;
SELECT operand1>operand2;
To delete table definition and all data from the table, which statement is used?
DELETE
DROP
ALTER
None of the above
What does the following statement do?
Finds any values that start with or
Finds any value that contains only four characters and second, third characters are 'o', 'r'
Finds any values that have or in any position
None of the above
In how many categories data types has been classified?
2
3
4
5
Output returned by the Scalar functions is/are -
Single Value
Multiple Value
Two Values
None of the above
Commands that come under TCL is/are -
COMMIT
ROLLBACK
SAVEPOINT
All of the above
Using SQL SELECT RANDOM() function, one can return the random
Table
Database
Row
Column
What is the difference between nchar and nvarchar?
nchar is fixed and nvarchar is variable.
nchar is variable and nvarchar is fixed.
nchar has the maximum size of 4000 characters and nvarchar has the maximum size of 8000 characters.
nchar has the maximum size of 800 characters and nvarchar has the maximum size of 4000 characters.
Network-based IDS can be used to monitor
Web server logs
When something weird occurs
All connections to the database server
None of the above
Select the statement which is TRUE?
In a table, there could be any number of rows and any number of columns.
In a table, there could be any number of rows and specified number of columns.
In a table, there could be any number of columns and specified number of rows.
In a table, there could be specified number of rows and specified number of columns.
SQL EXCEPT clause is supported in
MySQL
PostgreSQL
Both A and B
None of the above
Which statement is used to select the database in Oracle?
USE
SELECT
RENAME
None of the above
The character(s) which are used independently or in conjunction with SQL Like Operator:
%
_
Both A. and B.
None of the above
Command that comes under DML is/are
ROLLBACK
GRANT
UPDATE
All of the above
The table records can be retrieved using which command?
RETRIEVE
SELECT
CREATE
ALTER
In LIKE clause, to represent a zero, a character, or a number of characters ___ is used.
/
_
*
%
You can also ____ the existing tables by using the UNIQUE constraint.
Change
Delete
Modify
Drop
Which clause is used to retrieve a unique element from the table?
SELECT UNIQUE
SELECT DISTINCT
Both A) and B)
None of the above
Local Temp Variable is used with which sign?
?
@
#
&
The Web SQL API is supported by
Opera
Google Chrome
Android Browsers
All of the above
In order to update one table using another table and join condition, which statement is used.
SQL UPDATE INTO
SQL UPDATE JOIN
SQL JOIN
SQL JOIN UPDATE
Select the correct statement.
TRUNCATE TABLE is faster than DELETE TABLE statement.
TRUNCATE TABLE uses fewer resources than DELETE TABLE statement.
Both A) and B)
None of the above
What does this SQL database language design to?
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.
What is the clause to delete all rows from the table?
SQL DELETE ALL ROWS Table_Name;
SQL DELETE ROWS Table_Name;
DELETE FROM ALL ROWS Table_Name;
DELETE FROM Table_Name;