Data manipulation language (DML) describes the portion
of SQL that allows you to manipulate or control your data.
Retrieve data using the SELECT statement Learn a variety of ways of tailoring
your query to gather data using the SELECT statement. One way to do this is
to use the SELECT statement in a program to retrieve a specific row (for example,
the row for an employee). Furthermore, you can use clauses to gather data
in a specific way.
Insert rows using the INSERT statement
This topic shows the basic SQL statements and clauses that insert data into tables and views. Examples using these SQL statements are supplied to help you develop SQL applications.
Change data in a table using the UPDATE statement
This topic shows the basic SQL statement and clauses that update data into tables and views. To change the data in a table, use the UPDATE statement.
Use subqueries
You can use subqueries in a search condition as another way to select your data. Subqueries can be used anywhere an expression can be used.