Q
What is the primary purpose of database connection pooling in PHP applications?

Answer & Solution

Answer: Option A
Solution:
Database connection pooling in PHP applications is primarily used to improve scalability and performance. It allows reusing and sharing database connections among multiple clients, reducing the overhead of establishing new connections and improving overall application responsiveness.
Related Questions on Average

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 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::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::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

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

A). MySQL

B). PDO

C). SQLI

D). MySQLi

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 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 extension provides an improved interface for interacting with MySQL databases?

A). MySQL

B). PDO

C). SQLI

D). MySQLi

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()