Which of the following statements are DML statements?a)Update [tablename] set [columnname] = value;b)Delete [tablename]c)Select * from [tablename]

Understanding DML Statements

Data Manipulation Language (DML) is a subset of SQL used for managing data within databases. The primary DML statements include commands for inserting, updating, selecting, and deleting data.

Statements Provided

Let's analyze each statement to determine if they are DML:

1. a) Update [tablename] set [columnname] = value

   • This command is used to modify existing records in a table. It is a DML statement.

2. b) Delete [tablename]

   • This command removes records from a table. It is also a DML statement.

3. c) Select * from [tablename]

   • This command is used to retrieve data from a database. It is considered a DML statement as well.

Final Answer

All of the provided statements (a, b, and c) are DML statements.