11. Which of the following use 'NULL' to indicate failure?
mysql_init(), mysql_real_connect()
mysql_init(), mysql_real_connect()12. Consider a database name "db_name" whose attributes are intern_id (primary key), subject, subject_value.
Intern_id = {1, 2, 3, 4, 5, 6}
Subject = {sql, oop, sql, oop, c, c++}
Subject_value = {0, 0, 1, 1, 2, 2, 3, 3}
If these are one to one relation then what will be the output of the following MySQL statement?
SELECT intern_id
FROM db_name
WHERE subject IN (SELECT subject FROM db_name WHERE subject_value IN (3, 2));
Intern_id = {1, 2, 3, 4, 5, 6}
Subject = {sql, oop, sql, oop, c, c++}
Subject_value = {0, 0, 1, 1, 2, 2, 3, 3}
If these are one to one relation then what will be the output of the following MySQL statement?
SELECT intern_id
FROM db_name
WHERE subject IN (SELECT subject FROM db_name WHERE subject_value IN (3, 2));13. The datatype INT stores . . . . . . . .
14. When linking to a static MySQL C client library, the client library and the client application must use the same compiler option.
15. Which of the following returns an SQLSTATE code?
16. What is the command to see the warning messages?
17. Which keyword used with UNION retains duplicate rows?
18. The ALL subquery performs which operation?
19. UPDATE statement is a DML statement. What does DML stand for?
20. What is the default size of 'max_binlog_cache_size' system variable?
Read More Section(MySQL Miscellaneous)
Each Section contains maximum 100 MCQs question on MySQL Miscellaneous. To get more questions visit other sections.
- MySQL Miscellaneous - Section 1
- MySQL Miscellaneous - Section 2
- MySQL Miscellaneous - Section 3
- MySQL Miscellaneous - Section 4
- MySQL Miscellaneous - Section 5
- MySQL Miscellaneous - Section 7
- MySQL Miscellaneous - Section 8
- MySQL Miscellaneous - Section 9
- MySQL Miscellaneous - Section 10
- MySQL Miscellaneous - Section 11
- MySQL Miscellaneous - Section 12