Q
Which of the following statements is true regarding SQL DELETE operation?

Answer & Solution

Answer: Option D
Solution:
The SQL DELETE operation is used to remove specific records (rows) from a table based on specified conditions. It deletes rows that match the specified criteria from the table.
Related Questions on Average

Which of the following SQL operations is used to remove all data from a database table?

A). INSERT

B). SELECT

C). TRUNCATE

D). DELETE

What is the primary function of the mysqli_fetch_array() function in PHP?

A). Establishing a database connection

B). Executing SQL queries

C). Fetching data from the database

D). Closing the database connection

What is the purpose of the mysqli_num_rows() function in PHP?

A). Establishing a database connection

B). Executing SQL queries

C). Fetching data from the database

D). Getting the number of rows in a result set

Which of the following PHP functions is used to execute an SQL query in MySQLi extension?

A). mysqli_execute()

B). mysqli_query()

C). mysqli_fetch()

D). mysqli_prepare()

What is the primary purpose of the PDO::exec() method in PHP PDO extension?

A). Establishing a database connection

B). Executing an SQL query

C). Fetching data from the database

D). Closing the database connection

Which of the following PHP functions is used to execute an SQL query in PDO extension?

A). pdo_execute()

B). pdo_query()

C). pdo_fetch()

D). pdo_prepare()

Which PHP extension provides procedural and object-oriented approaches for executing SQL queries and interacting with MySQL databases?

A). PDO

B). MySQL

C). SQLI

D). MySQLi

Which of the following SQL operations is used to insert new data into a database table?

A). INSERT

B). SELECT

C). UPDATE

D). DELETE

What is the primary function of the mysqli_query() function in PHP?

A). Establishing a database connection

B). Executing SQL queries

C). Fetching data from the database

D). Closing the database connection

Which of the following SQL operations is used to update existing data in a database table?

A). INSERT

B). SELECT

C). UPDATE

D). DELETE