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 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 operation is used to delete specific records from a database table using SQL?
A). DELETE
B). REMOVE
C). ERASE
D). CLEAR
Which statement is used to create a new database table in SQL?
A). CREATE
B). INSERT
C). UPDATE
D). DELETE
Which SQL operation is used to add new records to a database table?
A). CREATE
B). INSERT
C). ADD
D). APPEND
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_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 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
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