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

Answer & Solution

Answer: Option C
Solution:
The UPDATE statement in SQL is used to modify existing records in a database table. It changes the values of specified columns in existing rows based on specified conditions.
Related Questions on Average

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

A). Executing SQL queries

B). Fetching data from the database

C). Inserting records into the database

D). Closing the database connection

Which SQL operation is used to remove all records from a database table?

A). TRUNCATE

B). CLEAR

C). DELETE

D). REMOVE

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_query()

B). mysqli_fetch()

C). mysqli_insert()

D). mysqli_update()

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 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

Which operation is used to insert new records into a database table using SQL?

A). CREATE

B). INSERT

C). UPDATE

D). DELETE

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

A). Closing the database connection

B). Fetching data from the database

C). Inserting records into the database

D). Retrieving the ID generated by the last INSERT statement

Which operation is used to delete specific records from a database table using SQL?

A). DELETE

B). REMOVE

C). ERASE

D). CLEAR