5.4 Manipulating the Database: SQL Data Manipulation Language (DML)

SQL’s query language is declarative, or nonprocedural, which means that it allows us to specify what data is to be retrieved without giving the steps for retrieving it. It can be used as an interactive language for queries, embedded in a host programming language, or as a complete language for computations using SQL/PSM (SQL/Persistent Stored Modules).

The SQL data manipulation language (DML) statements are

A listing of S Q L, D M L statements. The statements are as follows. SELECT. UPDATE. INSERT. DELETE.

5.4.1 Introduction to the Select Statement

The SELECT statement is used for retrieval of data. It is a powerful command, performing the equivalent of relational algebra’s ...

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