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
Which PHP extension is commonly used for executing SQL queries and interacting with databases?
A). MySQL
B). PDO
C). SQLI
D). PHPDB
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 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 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 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 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
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 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 SQL operations is used to insert new data into a database table?
A). INSERT
B). SELECT
C). UPDATE
D). DELETE