Q
Which of the following is NOT a step in connecting to a MySQL database using PDO extension?

Answer & Solution

Answer: Option C
Solution:
Executing an SQL query is not a step in connecting to a MySQL database using PDO extension. The steps involve creating a PDO object, setting database credentials, handling connection errors, and optionally setting additional attributes.
Related Questions on Average

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::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 is NOT a valid database driver supported by PDO extension?

A). MySQL

B). PostgreSQL

C). MongoDB

D). SQLite

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 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

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

A). MySQL

B). PDO

C). SQLI

D). MySQLi

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