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

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

A). Fetching data from the database

B). Inserting records into the database

C). Closing the database connection

D). Committing a transaction

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()

What is the primary advantage of using prepared statements in PHP for database operations?

A). Better performance

B). Improved security against SQL injection

C). Easier syntax

D). Compatibility with older PHP versions

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

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

A). ALTER

B). UPDATE

C). MODIFY

D). CHANGE

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

A). Closing the database connection

B). Fetching data from the database

C). Inserting records into the database

D). Retrieving the ID generated by the last INSERT statement

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 MySQLi extension?

A). mysqli_query()

B). mysqli_fetch()

C). mysqli_insert()

D). mysqli_update()

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

A). DELETE

B). REMOVE

C). ERASE

D). CLEAR