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DML Statements

Data Manipulation Language (DML) is a family of computer languages used by computer programs database users to retrieve, insert, delete and update data in a database.
Currently the most popular data manipulation language is that of SQL, which is used to retrieve and manipulate data in a Relational database. Other forms of DML are those used by IMS/DLI, CODASYL databases (such as IDMS), and others.
Data manipulation languages were initially only used by computer programs, but (with the advent of SQL) have come to be used by people, as well.
Data Manipulation Language (DML) is used to retrieve, insert and modify database information. These commands will be used by all database users during the routine operation of the database. Let’s take a brief look at the basic DML commands:
Data Manipulation Languages have their functional capability organized by the initial word in a statement, which is almost always a verb. In the case of SQL, these verbs are:
    * Select
    * Insert
    * Update
    * Delete
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