Which PHP extension is specific to MySQL databases and offers both procedural and object-oriented approaches for database operations?
A). PDO
B). MySQL
C). SQLI
D). MySQLi
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 purpose of the PDO::beginTransaction() method in PDO extension?
A). Initiating a database transaction
B). Executing an SQL query
C). Fetching data from the database
D). Closing the database connection
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 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
Which of the following functions is used to prepare an SQL statement for execution with parameters in MySQLi extension?
A). mysqli_query()
B). mysqli_prepare()
C). mysqli_fetch_array()
D). mysqli_close()
What does PDO stand for in the context of PHP database access?
A). PHP Database Objects
B). PHP Data Operations
C). PHP Data Objects
D). PHP Database Extensions
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
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
Which of the following is NOT a valid database driver supported by PDO extension?
A). MySQL
B). PostgreSQL
C). MongoDB
D). SQLite