Frequently Asked Questions on Database Languages in DBMS

What is Database?

Database is collection of data which is stored electronically in our System or Cloud.

What are types Database languages in JDBC?

Data Definition Language, Data Control Language, Data Manipulation Language, Transaction Control Language.

What is Transaction Control Language in JDBC?

Transaction Control Language is one of the language in JDBC. Which is used for controlling and managing the transactions in database.

What is use of commit command in TCL?

The commit command is used for save transaction in the database.



Database Languages in DBMS

Databases are used to store information. The Database is related to both software and hardware here The Software is used for accessing the data in the form of Software applications, and The Hardware is used for storing the data in the memory or hard disk.

Any Database provides an interface between the end user and the database by using this interface, the end user can access the database data. It is a very secure means before accessing database data we need to authenticate first, and then we get access to the database. We have different types of Database Languages which are represented in the below image.

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Types of Database Languages in DBMS

Now I will explain Database Languages namely DDL, DCL, DML, and TCL. Each category language is used for a different purpose Below I explain each category with proper examples....

DDL (Data Definition Language)

The DDL stands for Data Definition Language, Which is used for define the database’s internal structure and Pattern of the Database. Basically, The DDL is used for creating tables, indexes, constraints, and schema in the Database. By using DDL statements we can able to create the architecture of the required database....

DCL (Data Control Language)

The DCL stands for Data Control Language means these commands are used to retrieve the saved data from database. And one more thing is the DCL execution is Transactional that means It have roll back parameters. we have two tasks under the Data Control Language below I listed them...

DML (Data Manipulation Language)

The Data Manipulation Language is used to Manipulate the data in the database by using different commands. In this category we can able to perform Insert new data into Table, Update existing data in the Table, Delete Data from the Table and other functions we can perform on data by using these DML commands. Below I listed those commands for your reference...

TCL ( Transaction Control Language )

The TCL full form is Transaction Control Language commands are used to run the changes made by the DML commands And one more thing is TCL can be grouped into a logical transaction. And We have two different commands in this category below I listed them for reference....

Frequently Asked Questions on Database Languages in DBMS – FAQs

What is Database?...