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 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
Which PHP extension is commonly used for executing SQL queries and interacting with databases?
A). MySQL
B). PDO
C). SQLI
D). PHPDB
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()
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
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 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 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