Q
Which PHP extension offers a consistent interface for accessing different database engines, including MySQL, PostgreSQL, and SQLite?

Answer & Solution

Answer: Option B
Solution:
PDO (PHP Data Objects) extension in PHP offers a consistent interface for accessing different database engines, including MySQL, PostgreSQL, SQLite, and more. This makes PDO suitable for projects requiring compatibility with multiple databases.
Related Questions on Average

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 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 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 is specific to MySQL databases and offers both procedural and object-oriented approaches for database operations?

A). PDO

B). MySQL

C). SQLI

D). MySQLi

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()

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 PHP extension provides an improved interface for interacting with MySQL databases?

A). MySQL

B). PDO

C). SQLI

D). MySQLi

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

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

Which of the following is NOT a valid database driver supported by PDO extension?

A). MySQL

B). PostgreSQL

C). MongoDB

D). SQLite