Q
What is the purpose of the PDO::lastInsertId() method in PHP PDO extension?

Answer & Solution

Answer: Option D
Solution:
The PDO::lastInsertId() method in PHP PDO extension is used to retrieve the ID generated by the last INSERT statement. It is commonly used to obtain the primary key value of the last inserted row in an auto-increment column.
Related Questions on Average

What is the primary function of the mysqli_num_rows() function in PHP?

A). Fetching data from the database

B). Inserting records into the database

C). Updating records in the database

D). Getting the number of rows in a result set

Which SQL operation is used to add new records to a database table?

A). CREATE

B). INSERT

C). ADD

D). APPEND

Which PHP function is used to execute an SQL query in MySQLi extension?

A). mysqli_execute()

B). mysqli_query()

C). mysqli_fetch()

D). mysqli_prepare()

Which statement is used to update existing records in a database table using SQL?

A). INSERT

B). SELECT

C). UPDATE

D). MODIFY

What is the primary purpose of the mysqli_fetch_assoc() function in PHP?

A). Inserting records into the database

B). Updating records in the database

C). Fetching data from the database

D). Closing the database connection

What is the primary purpose of the mysqli_close() function in PHP?

A). Establishing a database connection

B). Inserting records into the database

C). Updating records in the database

D). Closing the database connection

What is the primary purpose of the PDO::beginTransaction() method in PHP PDO extension?

A). Fetching data from the database

B). Inserting records into the database

C). Initiating a transaction

D). Closing the database connection

What is the purpose of the PDO::commit() method in PHP PDO extension?

A). Fetching data from the database

B). Inserting records into the database

C). Closing the database connection

D). Committing a transaction

Which PHP function is used to execute an SQL query in MySQLi extension?

A). mysqli_query()

B). mysqli_fetch()

C). mysqli_insert()

D). mysqli_update()

What is the primary purpose of the mysqli_affected_rows() function in PHP?

A). Getting the number of rows affected by an SQL query

B). Fetching data from the database

C). Closing the database connection

D). Establishing a database connection