What is the purpose of the mysqli_close() 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 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
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
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
Which of the following statements is true regarding SQL DELETE operation?
A). It removes all data from a table
B). It updates existing records in a table
C). It adds new records to a table
D). It removes specific records from a table
What is the purpose of the mysqli_fetch_assoc() 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 remove all data from a database table?
A). INSERT
B). SELECT
C). TRUNCATE
D). DELETE
What is the purpose of the mysqli_fetch_object() 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 PHP functions is used to get the number of rows affected by an SQL query in MySQLi extension?
A). mysqli_num_rows()
B). mysqli_affected_rows()
C). mysqli_num_fields()
D). mysqli_fetch_row()