What are the commands of DCL in DBMS?

DCL (Data Control Language):
  • COMMIT: Commits a Transaction.
  • ROLLBACK: Rollbacks a transaction in case of any error occurs.
  • SAVEPOINT:Sets a savepoint within a transaction.
  • SET TRANSACTION: Specify characteristics for the transaction.
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How many commands does a DCL have?

In DCL we have two commands, GRANT : Used to provide any user access privileges or other priviliges for the database. REVOKE : Used to take back permissions from any user.
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What are the commands used in DBMS?

SQL commands are instructions. It is used to communicate with the database.
...
There are five types of SQL commands: DDL, DML, DCL, TCL, and DQL.
  • Data Definition Language (DDL) ...
  • Data Manipulation Language. ...
  • Data Control Language. ...
  • Transaction Control Language.
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What are the DCL statements?

Data Control Language (or DCL) consists of statements that control security and concurrent access to table data.
  • COMMIT. ...
  • CONNECT. ...
  • GRANT (Database Privileges) ...
  • GRANT (Sequence Privileges) ...
  • LOCK TABLE. ...
  • REVOKE (Database Privileges) ...
  • REVOKE (Sequence Privileges) ...
  • ROLLBACK.
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What is the full form of DCL commands in SQL?

The Full Form Of DCL is a Data Control Language. DCL commands are used to control the access data stored in a database. To execute any operation related to a database such as creating the table, managing the data, we require permission.
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dcl commands in sql with examples | GRANT, REVOKE |



Which of the following is DCL commands?

Answer. DCL(Data Control Language): DCL includes commands such as GRANT and REVOKE which mainly deal with the rights, permissions and other controls of the database system. Examples of DCL commands: GRANT-gives user's access privileges to the database.
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What are DCL DDL DML commands?

DDL, DML, DCL and TCL Commands in Sql Server
  • DML. DML is abbreviation of Data Manipulation Language. ...
  • DDL. DDL is abbreviation of Data Definition Language. ...
  • DCL. DCL is abbreviation of Data Control Language. ...
  • TCL. TCL is abbreviation of Transactional Control Language.
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Which of the following is not DCL command?

Which of the following is not a type of SQL statement? Explanation: Data Communication Language (DCL) is not a type of SQL statement. Explanation: The CREATE TABLE statement is used to create a table in a database.
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What are the 5 basic SQL commands?

Some of The Most Important SQL Commands
  • SELECT - extracts data from a database.
  • UPDATE - updates data in a database.
  • DELETE - deletes data from a database.
  • INSERT INTO - inserts new data into a database.
  • CREATE DATABASE - creates a new database.
  • ALTER DATABASE - modifies a database.
  • CREATE TABLE - creates a new table.
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What are the types of commands?

The components of an entered command may be categorized into one of four types: command, option, option argument and command argument.
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What is DCL and TCL in SQL?

DCL – Data Control Language. TCL – Transaction Control Language.
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What are different types of commands in SQL?

There are 3 main types of commands. DDL (Data Definition Language) commands, DML (Data Manipulation Language) commands, and DCL (Data Control Language) commands.
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What is DML and DCL Class 10?

Data Manipulation Language (DML) allows you to modify the database instance by inserting, modifying, and deleting its data. DCL (Data Control Language) includes commands like GRANT and REVOKE, which are useful to give “rights & permissions.”
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What is DML DCL DDL TCL?

DDL – Data Definition Language. DQL – Data Query Language. DML – Data Manipulation Language. DCL – Data Control Language. TCL - Transaction Control Language.
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Which of the following is DCL commands Mcq?

Explanation: DCL command like Grant and Revoke is used for to give access on the database.
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Which of the following statement is true about DCL?

Which of the following statement(s) is/are TRUE about DCL? The DCL commands in SQL allow us to control which users have access to the data stored in SQL tables. There will be certain privileges that each user has; consequently, the data can be accessed by them.
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What are DCL and DML?

DML – Data Manipulation Language. DCL – Data Control Language.
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What are DML commands?

What are the DML commands in DBMS?
  • SELECT − Retrieve data from the database.
  • INSERT − Insert data into a table.
  • UPDATE − Update existing data within a table.
  • DELETE − Delete records from a database table.
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What are the four SQL commands?

The main types of commands present in SQL are: Data Definition Language (DDL) Data Manipulation Language (DML) Data Control Language (DCL)
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What is MySQL DCL?

DCL is the abstract of Data Control Language. Data Control Language includes commands such as GRANT, and is concerned with rights, permissions, and other controls of the database system. DCL is used to grant/revoke permissions on databases and their contents. DCL is simple, but MySQL permissions are a bit complex.
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What are the 3 types of command?

There are three types of CLI commands:
  • Group management commands. Enable you to manage a group. ...
  • Array management commands. Enable you to perform maintenance tasks on a specific array (for example, updating array firmware). ...
  • Global commands. Can be executed from any level in the CLI to control CLI behavior.
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What are the two types of command?

An internal command is embedded into the command.com file, and an external command is not and requires a separate file to operate.
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What are the 2 parts of command?

The commander cannot cancel the command of execution with AS YOU WERE. If an improper command is not revoked, the personnel execute the movement in the best manner possible. a. Most drill commands have two parts: the preparatory command and the command of execution.
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