Which of the following SQL operations is used to remove all data from a database table?
A). INSERT
B). SELECT
C). TRUNCATE
D). DELETE
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()
What is the purpose of the mysqli_num_rows() function in PHP?
A). Establishing a database connection
B). Executing SQL queries
C). Fetching data from the database
D). Getting the number of rows in a result set
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 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
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
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
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
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
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