Select the syntax of Single Line Comment.
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!
--
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Correct Answer :
C. --
-- is the syntax of the Single Line Comment.
Related Questions
Which clause is needed in CTE SQL syntax?
FOR
AS
WITH
TO
What is TRUE about SQL EXCEPT clause?
The result is purged of duplicates
Duplicate records are not removed
Only one column can be compared by a clause
None of the above
Bit is an integer that can be
0
1
Null
All of the above
What does task list consist of in SQL Script?
Import
Show Quotas
Manage Results
All of the above
What is TRUE about SAVEPOINT?
Following the completion of a transaction, it must be executed to save all the operations performed in the transaction.
A transaction can be rolled back to its last saved state.
A specific part of a transaction can be given a name
None of the above
A single unit of work for all commands executed consecutively is known as-
Transaction
Commit
Rollback
Control
SQL Like is NOT used with which of the following statement(s)?
DELETE
SELECT
UPDATE
ALTER
If multiple columns are used as Primary Key, it is known as
Unique
Composite
Foreign
None of the above
Global Temp Variable is used with which sign?
###
####
#
##
Which statement is used to select the database in Oracle?
USE
SELECT
RENAME
None of the above
Local Temp Variable is used with which sign?
?
@
#
&
Select the syntax of Single Line Comment.
.
!
--
#
Which statement is not true about SQL?
Using SQL in relational databases is all about inserting, updating, and deleting data.
Sample data can also be described with the aid of this tool.
It helps develop relational database functions, events, and views.
A SQL user can also set restrictions and permissions for a table column, a view, and a stored procedure.
Which of the following is/are transaction control commands in SQL?
Commit
Rollback
Both A. and B.
None of the above
Which statement is TRUE about the HAVING Clause?
In order to group the rows, HAVING Clause is used.
In order to return the rows, HAVING Clause is used.
In order to select the defined groups by the GROUP BY Clause, HAVING Clause is used.
None of the above
Output returned by the Scalar functions is/are -
Single Value
Multiple Value
Two Values
None of the above
Select the function which is not the Scalar Function(s)?
UCASE()
LEN()
SUM()
NOW()
What is the full form of BLOB?
Binary Long Objects
Binary Least Objects
Binary Large Objects
Binary Large Orientation
Which clause is used to retrieve a unique element from the table?
SELECT UNIQUE
SELECT DISTINCT
Both A) and B)
None of the above
What is the default length of any data type in the CAST function?
10
20
30
40
GROUP BY clause is placed before which clause in SQL?
HAVING
WHERE
ORDER BY
FROM
It is possible to retrieve time in a more readable format, using which function?
TIME
TIME_FORM
TIME_FORMAT
TIME & DATE
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
In SQL SELECT COUNT, one needs to specify the
Column Name
Row Name
Table Name
None of the above
From the set of results, in order to remove the duplicate columns, ____ Clause is used.
DUPLICATE
DISTINCT
REMOVE
DROP
Using which clause, can SQL EXCEPT be used in single table?
TO
AS
WHERE
IN
Select the correct method of Web SQL?
Execute SQL
Transaction
Open Database
All of the above
What does the DROP DATABASE Statement do?
The table, its structure, views, permissions, and triggers will also be deleted or removed with this SQL statement.
In the database management system, this SQL statement deletes the existing database, together with all the database tables and views.
A new database will be created through this SQL statement.
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.
What is the work of CREATE command?
Using this command, you can remove or erase recorded information from a database table.
It enables you to create new databases, tables, table views, and other objects using this command.
Inserting records or data into the database tables is accomplished with this command. In addition to inserting records in single rows, we can insert records in multiple rows as well.
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.
What is the full form of GUID?
Guided Unique Identifier
Guided Unique Interpreter
Globally Unique Identifier
Globally Unique Interpreter