1. Which operation is used to insert new records into a database table using SQL?

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

A). Fetching data from the database

B). Inserting records into the database

C). Updating records in the database

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

What is the primary purpose of the mysqli_affected_rows() function in PHP?

A). Getting the number of rows affected by an SQL query

B). Fetching data from the database

C). Closing the database connection

D). Establishing a database connection

What is the primary purpose of the mysqli_close() function in PHP?

A). Establishing a database connection

B). Inserting records into the database

C). Updating records in the database

D). Closing the database connection

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

A). Executing SQL queries

B). Fetching data from the database

C). Inserting records into the database

D). Closing the database connection

Which SQL operation is used to add new records to a database table?

A). CREATE

B). INSERT

C). ADD

D). APPEND

Which PHP function is used to execute an SQL query in PDO extension?

A). pdo_query()

B). pdo_execute()

C). pdo_fetch()

D). pdo_insert()

Which operation is used to delete specific records from a database table using SQL?

A). DELETE

B). REMOVE

C). ERASE

D). CLEAR

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

A). Fetching data from the database

B). Inserting records into the database

C). Initiating a transaction

D). Closing the database connection

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

A). Establishing a database connection

B). Inserting records into the database

C). Updating records in the database

D). Executing SQL queries

Which SQL operation is used to update the structure of an existing database table?

A). ALTER

B). UPDATE

C). MODIFY

D). CHANGE