Olete.in – MCQs, Mock Tests & Government Job Prep

The users responsible for query processing in database system are ____

1. Native users
2. Application programmers
3. Sophisticated users
4. Specialized users

✅ Correct Answer: 3

Select the sequence for how the query mechanism works?

1. Authentication-> DDL->DML->query optimizer->output
2. DDL->DML->query optimizer-> Authentication->output
3. DML->query optimizer-> Authentication-> DDL-> output
4. All of the mentioned

✅ Correct Answer: 1

Which clause is used to determine which column to include in the query sets?

1. SELECT
2. FROM
3. WHERE
4. ORDER BY

✅ Correct Answer: 1

Which clause is used to Identifies table from which to draw table and how the table should be joined?

1. FROM
2. SELECT
3. ORDER By
4. WHERE

✅ Correct Answer: 1

Which clause is used to Filters out unwanted data?

1. FROM
2. WHERE
3. SELECT
4. ORDER BY

✅ Correct Answer: 2

Which clause is used to group rows together by common columns values?

1. SELECT
2. GROUP BY
3. FROM
4. WHERE

✅ Correct Answer: 2

Which clause is used to filter out unwanted Groups?

1. HAVING
2. FROM
3. WHERE
4. SELECT

✅ Correct Answer: 1

Which clause is used to sort the rows of the final result set by one or more columns?

1. HAVING
2. ORDER BY
3. WHERE
4. FROM

✅ Correct Answer: 2

Which clause is used to Modify the existing field of the table?

1. ALTER
2. FROM
3. SELECT
4. MODIFY

✅ Correct Answer: 1

Which among the following is not a "query clause"?

1. WHERE
2. MODIFY
3. ALTER
4. FROM

✅ Correct Answer: 1

"MODIFY" is used with which "Query clause"?

1. ALTER
2. FROM
3. WHERE
4. ORDER BY

✅ Correct Answer: 1

What exports table definitions and contents?

1. mysqldump
2. mysqladmin
3. mysqlimport
4. mysqlexport

✅ Correct Answer: 1

What loads data files into tables?

1. mysqldump
2. mysqladmin
3. mysqlimport
4. mysqlexport

✅ Correct Answer: 3

What performs administrative operations?

1. mysqldump
2. mysqladmin
3. mysqlimport
4. mysqlexport

✅ Correct Answer: 2

Which option executes all SQL statements in a SQL script irrespective of the number of errors?

1. ensure
2. violent
3. force
4. run

✅ Correct Answer: 3

Which of these is used during MySQL setup?

1. mysqld_multi
2. mysql.server
3. mysqld_safe
4. comp_err

✅ Correct Answer: 4

Which of these is not used to connect to the MySQL server?

1. mysql
2. mysqladmin
3. mysqlcheck
4. mysql_upgrade

✅ Correct Answer: 4

Which program emulates the client load for a MySQL server?

1. mysqlslap
2. mysqldump
3. mysqladmin
4. mysqlimport

✅ Correct Answer: 1

Which language is the core for APIs and communication in MySQL?

1. C
2. C++
3. Python
4. Ruby

✅ Correct Answer: 1

The primary programming interface to MySQL is _______

1. C API
2. C++ API
3. Java API
4. Python API

✅ Correct Answer: 1

The DBI API for Perl is _____

1. database interface
2. database id
3. database identity
4. database integrity

✅ Correct Answer: 1

For which language is the engine specific interface PDO defined?

1. Python
2. Perl
3. PHP
4. C

✅ Correct Answer: 3

For which language is the PEAR module used?

1. Python
2. Perl
3. PHP
4. C

✅ Correct Answer: 3

The JDBI interface is available for ____

1. C
2. C++
3. Python
4. Java

✅ Correct Answer: 4

Which of these is the most general purpose language?

1. C
2. Perl
3. Python
4. PHP

✅ Correct Answer: 1

Among the following, for which language is image processing least simple?

1. PHP
2. Perl
3. Python
4. C

✅ Correct Answer: 4

The CGI.pm module for website development is a part of _____

1. Perl
2. Java
3. Python
4. C++

✅ Correct Answer: 1

For a heavily used program, which of these languages should be preferred?

1. C
2. Perl
3. PHP
4. Python

✅ Correct Answer: 1

The protocol CGI is ____

1. computer graphics interface
2. common graphics interface
3. computer gateway interface
4. common gateway interface

✅ Correct Answer: 4

Which is the correct decreasing order for highly developed text manipulation capabilities?

1. Perl, PHP, C
2. Perl, C, PHP
3. PHP, Perl, C
4. C, PHP, Perl

✅ Correct Answer: 1

Which API provides the lowest level interface to the server?

1. C API
2. Perl
3. PHP
4. Python

✅ Correct Answer: 1

Which option is necessary to compile a C program havin math functions?

1. -lm
2. -ln
3. -lp
4. -lq

✅ Correct Answer: 1

Which file can be used to execute multiple compile statements?

1. makefile
2. dofile
3. putfile
4. pushfile

✅ Correct Answer: 1

Which flag is used to compile client programs that use MySQL header files?

1. -O
2. -I
3. -U
4. -A

✅ Correct Answer: 2

The MySQL clients are linked with ____

1. #NAME?
2. -cmysqlclient
3. -dmysqlclient
4. -vmysqlclient

✅ Correct Answer: 1

What can be used as an alternative to mysqlconfig?

1. pkg-config
2. dkg-config
3. rkg-config
4. qkg-config

✅ Correct Answer: 1

Which of these has a smaller memory footprint?

1. Perl
2. PHP
3. Same
4. Machine dependent

✅ Correct Answer: 2

The static C library client in Windows is ____

1. mysqlclient.lib
2. mysqlclient.lb
3. mysqlclient.lm
4. myclient.lib

✅ Correct Answer: 1

Which of the following is used on Solaris?

1. gcc
2. clang
3. Sun Studio
4. FreeBSD

✅ Correct Answer: 3

Which library file contains various portability macros and definitions?

1. my_global.h
2. my_sys.h
3. mysql.h
4. my_local.h

✅ Correct Answer: 2

Which header should be included first?

1. my_global.h
2. my_sys.h
3. mysql.h
4. my_local.h

✅ Correct Answer: 1

mysql_init() returns a _____

1. integer
2. float
3. structure
4. pointer to a structure

✅ Correct Answer: 4

Which of these can be used in place of MYSQL_SERVER_VERSION?

1. LIBMYSQL_VERSION
2. LIBMYSQL_VERSION_ID
3. MYSQL_VERSION_ID
4. MYSQL_ID

✅ Correct Answer: 1

Which of the following can be used interchangeably with MYSQL_VERSION_ID?

1. LIBMYSQL_VERSION
2. LIBMYSQL_VERSION_ID
3. MYSQL_VERSION_ID
4. MYSQL_ID

✅ Correct Answer: 2

Which option is supplied to ensure TCP/IP connection to local server?

1. localhost
2. host
3. hostlocal
4. connectlocal

✅ Correct Answer: 2

The "protocol value TCP' runs on which operating systems?

1. all
2. unix only
3. windows only
4. none

✅ Correct Answer: 1

The SOCKET protocol is permitted on which operating systems?

1. all
2. unix only
3. windows only
4. none

✅ Correct Answer: 2

Which of these returns a string containing an error message?

1. mysql_error()
2. mysql_errno()
3. mysql_sqlstate()
4. mysql_close()

✅ Correct Answer: 1

Which of the following returns a MySQL-specific numeric code?

1. mysql_error()
2. mysql_errno()
3. mysql_sqlstate()
4. mysql_close()

✅ Correct Answer: 2

Which of the following returns an SQLSTATE code?

1. mysql_error()
2. mysql_errno()
3. mysql_sqlstate()
4. mysql_close()

✅ Correct Answer: 3

🧪 SQL MCQ Quiz Hub

SQL MCQ SET 3