How many of the following return rows?
SELECT, SHOW, DESCRIBE
SELECT, SHOW, DESCRIBE
A. 0
B. 1
C. 2
D. 3
Answer: Option C
Solution(By Examveda Team)
SELECT: This statement is used to retrieve data from one or more tables in a database. It returns rows containing the selected data based on the specified conditions. Therefore,SELECT
returns rows.SHOW: This statement is used to display various information about databases, tables, columns, indexes, and more. Depending on the context,
SHOW
can return rows containing information about the specified object. For example, SHOW TABLES
returns a list of tables in the current database. Therefore, SHOW
can return rows.DESCRIBE: This statement is used to display information about the structure of a table, such as column names, types, and properties. It does not return rows of data from the table itself; instead, it returns metadata about the table's structure. Therefore,
DESCRIBE
does not return rows.Therefore, out of the provided statements,
SELECT
and SHOW
return rows, while DESCRIBE
does not. Thus, the number of statements that return rows is Option C: 2. Related Questions on MySQL Miscellaneous
How is communication established with MySQL?
A. SQL
B. Network calls
C. A programming language like C++
D. APIs
Which type of database management system is MySQL?
A. Object-oriented
B. Hierarchical
C. Relational
D. Network
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