DQL full form: Data Query Language
Welcome to the DQL full form article. If you want to know about the DQL full form or you searching on the internet about this topic?
Then this is the correct article for you. You will get lots of knowledge after reading this article such as DQL full form, DQL commands, Uses of DQL commands, etc.
In this article, we will discuss the DQL and its works. If you really want to know about this, then you must follow this article to the end. And also write your experience in the comment box after reading this article.
- DQL full form: Data Query Language
- DQL full form or what is full form of DQL?
- What is SQL?
- What is DQL?
- What are the DQL commands?
- FAQs of DQL full form:
DQL full form or what is full form of DQL?
DQL stands for Data Query Language. This is the SQL commands which allow performing lots of work on the Database.
If you are a Database designer or Database Maintainer or maybe working with the Database then you already know, what is the importance of the Database? Nowadays if you want to store the data at that time you need the database.
And also need a language to manage the database which language is known as database languages. Today most popular database language is SQL.
What is SQL?
SQL stands for Structured Query Language. It is a database language that offers lots of commands to manage the database. It is a command based language like the MS-DOS operating system.
Every smallest word is completed in the database using commands. So we can say that without command SQL is nothing.
Nowadays SQL is the most popular database language because it is simple and easy to learn for all types of learners.
The SQL has mainly 5 commands they are as follows:
In this article, we will discuss only DQL. So let’s get started.
What is DQL?
The DQL stands for Data Query Language. It is a part of the SQL command which offers some commands to complete the work related to fetching the data from the database.
This command is used to retrieve the data that are already stored in the database. The purpose of this command only selecting the data from the database.
DQL is the most useful command in the SQL because without this command we can’t fetch the data from the database.
What are the DQL commands?
DQL offers only one command to perform the work. The DQL commands are used to fetch the data from the table.
The DQL command is not auto-committed. It means the changes in the database using DQL commands are note saved permanent, it can be rolled back. While the DDL commands are auto-committed.
Below the list of DQL command, they are as follows:
- SELECT Command
Note: The DQL command is not case sensitive. You can use either in Uppercase or in Lowercase. But I recommend using all command in Uppercase it is good practice.
1) SELECT Command:
The DQL SELECT Command is useful to fetch the data from the existing database table. It means this command only allows us to select the data from the table. We can use SELECT Command with WHERE Clause to select the data according to the conditions.
Syntax of SELECT Command to select the data from the table:
SELECT col1, col2,… FROM Table_Name
Syntax of SELECT Command to select the data from the table with WHERE clause:
SELECT col1, col2,… FROM Table_Name WHERE condition
FAQs of DQL full form:
1) DQL commands in oracle:
The oracle is a software company. In Oracle, the DQL has only one command that is the SELECT command. Which allows selecting the data from the Table.
2) DQL commands in DBMS:
The DBMS stands form the Database Management System. In DBMS, the DQL has also only one command that is the SELECT command. Which allows selecting the data from the Table.
3) DQL full form in Computer.
DQL means in the Computer is Data Query Language. It has no extra meaning.
4) DQL full form in DBMS.
The DQL full form in DBMS is Data Query Language. It has no extra meaning.
5) DQL full form in Oracle.
In Oracle, DQL stands for Data Query Language. It has no extra meaning.
6) DQL full form in SQL.
In SQL, the DQL stands for Data Query Language.
I hope, After reading this article you have got lots of knowledge about DQL. If you have any queries you can ask me through the comment box. I will try to answer all your queries.
Thank you for reading this article.