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
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
Which of the following methods is used to execute a prepared statement with parameters in MySQLi extension?
A). mysqli_prepare()
B). mysqli_query()
C). mysqli_bind_param()
D). mysqli_execute()
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
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 statements is true regarding parameterized queries in MySQLi and PDO?
A). They prevent SQL injection attacks
B). They improve database performance
C). They can only be used with SELECT queries
D). They require additional server resources
Which of the following is NOT a step in connecting to a MySQL database using PDO extension?
A). Create a PDO object
B). Set database credentials
C). Execute an SQL query
D). Handle connection errors
Which of the following statements is true regarding database connections in PHP applications?
A). Database connections should be properly closed after use
B). Database connections are automatically closed by PHP
C). Keeping database connections open improves performance
D). Multiple simultaneous database connections are recommended
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
Which PHP extension provides an improved interface for interacting with MySQL databases?
A). MySQL
B). PDO
C). SQLI
D). MySQLi