Which of the following MySQL statements is valid if 'sampledb' is a database and 'tbl' is a table in it?

MySQL - Quiz(MCQ)

SELECT * FROM `sampledb`.`member`

SELECT * FROM `member.sampledb`

SELECT * FROM `sampledb.member`

SELECT * FROM `member`.`sampledb`

Correct Answer : SELECT * FROM `sampledb`.`member`

Explanation : When quotes are being used to refer to a qualified name, the individual identifiers are quoted within the name separately. So, the database name `sampledb` and table name `tbl` are quoted separately.

Recently Updated in MySQL Questions

What is the shebang line?

Correct Answer : #!

Explanation : The Perl scripts are text files, which can be ceated using any text editor. All Perl scripts generally begin with a #! (shebang) line. A script is a file containing a sequence of commands.

The line that is written at the top of the script to write a Perl script using CGI.pm is ______

use CGI

put CGI

include CGI

use this CGI

Correct Answer : use CGI

Explanation : In order to write a Perl script that uses the ‘CGI.pm’ module, a ‘use CGI’ statement is included near the beginning of the script that imports the function names of the module.

What does CGI stand for?

Computer Gateway Interface

Computer Generated Interface

Common Generated Interface

Common Gateway Interface

Correct Answer : Common Gateway Interface

Explanation : The ‘CGI.pm’ module is so called because it helps write scripts that use the ‘Common Gateway Interface’ protocol which defines how a web server communicates with other programs.