What is the purpose of the PDO::query() method in PDO extension?
A). Establishing a connection to a database
B). Executing an SQL statement
C). Fetching data from the database
D). Closing the database connection
Which PHP extension provides better support for transaction management and error handling: MySQLi or PDO?
A). MySQLi
B). PDO
C). Both provide similar support
D). Neither supports transaction management
Which PHP function is used to establish a connection to a MySQL database server using MySQLi extension?
A). mysqli_connect()
B). mysqli_query()
C). mysqli_fetch_assoc()
D). mysqli_close()
Which of the following is NOT a valid database driver supported by PDO extension?
A). MySQL
B). PostgreSQL
C). MongoDB
D). SQLite
What is the primary advantage of using prepared statements in MySQLi and PDO?
A). Improved security and protection against SQL injection
B). Faster execution of SQL queries
C). Simpler syntax for SQL statements
D). Compatibility with older PHP versions
What is the purpose of the PDO::lastInsertId() method in PDO extension?
A). Retrieving the ID generated by the last INSERT statement
B). Executing an SQL query
C). Fetching data from the database
D). Closing the database connection
What is the primary function of the mysqli_connect() function in PHP?
A). Establishing a connection to a MySQL database
B). Executing SQL queries
C). Fetching data from the database
D). Closing the database connection
What is the purpose of the PDO::setAttribute() method in PDO extension?
A). Setting attributes for the PDO connection
B). Executing SQL queries
C). Fetching data from the database
D). Closing the database connection
What is the primary purpose of database connection pooling in PHP applications?
A). Improving scalability and performance
B). Enhancing database security
C). Simplifying database configuration
D). Reducing server resource usage
What is the primary advantage of using PDO over MySQLi for database access in PHP?
A). Portability across different databases
B). Better performance
C). Easier syntax
D). More features