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
Which operation is used to delete specific records from a database table using SQL?
A). DELETE
B). REMOVE
C). ERASE
D). CLEAR
Which SQL operation is used to remove all records from a database table?
A). TRUNCATE
B). CLEAR
C). DELETE
D). REMOVE
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
Which statement is used to update existing records in a database table using SQL?
A). INSERT
B). SELECT
C). UPDATE
D). MODIFY
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 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 operation is used to insert new records into a database table using SQL?
A). CREATE
B). INSERT
C). UPDATE
D). DELETE
What is the primary purpose of the mysqli_fetch_assoc() function in PHP?
A). Inserting records into the database
B). Updating records in the database
C). Fetching data from the database
D). Closing the database connection
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()