Asked by: Sthefany Vilasuso
technology and computing databases

What are different SQL commands?

19
SQL commands are grouped into fourmajorcategories depending on their functionality: DataDefinitionLanguage (DDL) - These SQL commands are used forcreating,modifying, and dropping the structure of database objects.Thecommands are CREATE, ALTER, DROP, RENAME,andTRUNCATE.


Regarding this, what are different types of SQL commands?

There are five types of SQL Commands which can beclassifiedas:

  • DDL(Data Definition Language).
  • DML(Data Manipulation Language).
  • DQL(Data Query Language).
  • DCL(Data Control Language).
  • TCL(Transaction Control Language).

how many commands are there in SQL? SQL Commands: Different Types Of KeysInDatabase There are mainly 7 types of Keys, that canbeconsidered in a database.

Herein, what are the basic SQL commands?

  • Database. A database consists of one or more tables.
  • Basic SQL. Each record has a unique identifier orprimarykey.
  • SELECT. The SELECT is used to query the database andretrieveselected data that match the specific criteria thatyouspecify:
  • CREATE TABLE.
  • INSERT VALUES.
  • UPDATE.
  • DELETE.
  • DROP.

What are the four categories of SQL commands?

These SQL commands are mainly categorized intofourcategories as:

  • DDL – Data Definition Language.
  • DQl – Data Query Language.
  • DML – Data Manipulation Language.
  • DCL – Data Control Language.

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23rd May, 2020

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