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.
Correct Answer :
A. Data is read from the SQL database by this statement and displayed to the database user.
Using SELECT Statement, Data is read from the SQL database and displayed to the database user.
Related Questions
In order to start the transaction, the command used is
Mysql > START COMMIT;
Mysql > START TRANSACTION;
Mysql > START ROLLBACK;
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
Global Temp Variable is used with which sign?
###
####
#
##
Select the Aggregate function(s) among the following.
AVG()
FIRST()
LAST()
All of the above
Which of the following is TRUE about TCL?
Transactions can be saved to the database and rolled back with the help of TCL commands in SQL.
There will be certain privileges that each user has; consequently, the data can be accessed by them using TCL.
Our data is stored in a table that is described by the schema, thus TCL commands deal with the schema.
SQL TCL commands can be used to perform any kind of retrieval or manipulation of the data present in SQL tables.
MINUS Operator displays the rows which are
Detected in the second query, absent in the first query, and there are no duplications.
Detected in the first query, absent in the second query, and there are no duplications.
Detected in the first query, absent in the second query, and there are duplications.
Detected in the second query, absent in the first query, and there are duplications.
Which of the following is TRUE about SQL Auto Increment?
It increments the unique number automatically.
It decrements the unique number automatically.
It keeps the unique number constant
None of the above
Which of these are the types of operators?
Arithmetic
Comparison
Set
All of the above
Which of the following clause cannot be used in SQL sub queries?
GROUP BY
ORDER BY
DELETE
FROM
____ value is returned by the SQL Aggregate functions?
Single
Twice
NULL
Infinite
SQL ___ can be used to delete or drop existing databases in a SQL schema.
CREATE DATABASE
RENAME DATABASE
DROP DATABASE
SELECT DATABASE
Select the correct method of Web SQL?
Execute SQL
Transaction
Open Database
All of the above
SQL has the advantage of?
SQL require a lot of programming.
SQL provides High-Speed Query Processing.
SQL follows the standard languages of ANSI and ISO.
SQL is easily portable.
Which of the following statement is correct?
Comparison Operator has higher precedence than Conjuction Operator.
Identity Operator has higher precedence than Multiplication Operator.
Both A and B
None of the above
In how many parts are the SQL functions are divided into?
1
2
3
4
It is possible to use LIKE clauses with
Strings
Numbers
Both A. and B.
None of the above
Which of the following statement is TRUE?
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
Using which clause, can SQL EXCEPT be used in single table?
TO
AS
WHERE
IN
In more readable form, you can retrieve the date values, using ______ function?
DATE
DATE_FORM
DATE_FORMAT
DATE_VALUE
For one table, there can be ____unique key constraint(s).
1
NULL
Many
None of the above
In LIKE clause, to represent a single character, _____ is used.
-
_
!
&
In order to format, how the column should be displayed, which function is used?
FORM()
DISPLAY()
COL()
FORMAT()
SQL Like is NOT used with which of the following statement(s)?
DELETE
SELECT
UPDATE
ALTER
SQL DELETE can be used to delete,
Rows
Database
View
All of the above
When SELECT statements used to create Views contain ____ clauses, the views cannot be updated.
JOIN
HAVING
GROUP BY
All of the above
Which of the following is TRUE about The Foundation Rule in the 12 Codd's Rules?
Relational databases are required.
Databases contain a wide variety of information, and each row and column of each table must hold this information.
The primary key value, table name, and column name are characteristics that allow us to access the precise data (atomic value) logically from a relational database.
Null values are treated in database records according to this rule.
Local Temp Variable is used with which sign?
?
@
#
&
In order to delete the database, which keyword is used?
DROP
DELETE
ALTER
None of the above
What is TRUE about DEFAULT constraint?
The value will first be checked for certain conditions before inserting it into the column when a DEFAULT constraint applies to a column in the table.
In the event of a DEFAULT constraint being applied to a table's column without a user specifying the value to be inserted when that constraint was applied, the default value that was specified when the constraint was applied will be put into that column.
An index can be created on the table using the DEFAULT constraint.
None of the above
What does BOOL mean in MySQL Numeric Data Types?
A Boolean value is specified by this variable. When a value is nonzero, it is considered false, and zero is considered true.
A Boolean value is specified by this variable. When a value is nonzero, it is considered true, and zero is considered false.
A Boolean value is specified by this variable. When a value is nonzero, it is considered true, and zero is also considered true.
A Boolean value is specified by this variable. When a value is nonzero, it is considered false, and zero is also considered false.