Which of the following PHP functions is used to execute an SQL query in PDO extension?
A). pdo_execute()
B). pdo_query()
C). pdo_fetch()
D). pdo_prepare()
Which of the following SQL operations is used to insert new data into a database table?
A). INSERT
B). SELECT
C). UPDATE
D). DELETE
What is the primary advantage of using prepared statements in PHP for executing SQL queries?
A). Better performance
B). Improved security against SQL injection
C). Easier syntax
D). Compatibility with older PHP versions
Which of the following SQL operations is used to update existing data in a database table?
A). INSERT
B). SELECT
C). UPDATE
D). DELETE
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 function of the mysqli_query() 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 statements is true regarding SQL SELECT operation?
A). It updates existing records in a table
B). It removes specific records from a table
C). It adds new records to a table
D). It retrieves data from a table
What is the primary purpose of the PDO::query() 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 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 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