https://github.com/mrpandya/dbms_from_scratch

A CLI based DBMS made using C++. It supports basic SQL Queries.
https://github.com/mrpandya/dbms_from_scratch

algorithms cpp data-structures database database-management sql

Last synced: 2 months ago
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A CLI based DBMS made using C++. It supports basic SQL Queries.

• Host: GitHub
• URL: https://github.com/mrpandya/dbms_from_scratch
• Owner: mrpandya
• Created: 2021-06-05T15:18:08.000Z (over 3 years ago)
• Default Branch: master
• Last Pushed: 2024-01-05T05:53:05.000Z (12 months ago)
• Last Synced: 2024-01-05T06:37:32.298Z (12 months ago)
• Topics: algorithms, cpp, data-structures, database, database-management, sql
• Language: C++
• Homepage:
• Size: 1.38 MB
• Stars: 9
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        


# DBMS made from SCRATCH

 

 [![](https://img.shields.io/badge/Made_with-C++-blue?style=for-the-badge&logo=c++)](https://cplusplus.com/ "C++")

### This is a **SQL based Database Management System**. This DBMS works IMPORT, SELECT, INSERT, DELETE queries.

> This DBMS has a fixed schema and the SQL queries can be run on the Command Line Interface.







### Screenshots:

![ss1](screenshots/ss1.png)

![ss2](screenshots/ss2.png)

![ss3](screenshots/ss3.png)

![ss4](screenshots/ss4.png)

![ss5](screenshots/ss5.png)

## How to use:

- Clone the repo :

```

$ git clone https://github.com/mrpandya/DBMS_from_scratch.git

```

- Go to the repo :

```

$ cd DBMS_from_scratch

```

- To compile :

> GNU G++ compiler for C++ required

```

$ g++ -o driver driver.cpp

```

- To execute :

> Compiled version for linux version has already been added. You can directly run the executable file without compiling

```

$ ./driver

```





### Schema

|Column Name| Data Type|

|-----------|----------|

| id        | INT      |

| username  | STRING   |

| email     | STRING   |

| password  | STRING   |





### Syntax

#### IMPORT Query

	Import .csv;




#### SELECT Query

	 Select * from  [Where] [column_name] [operation] [value];

  

	 

  - OPTION

  

		 WHERE => It can be used only on any one column.

		 OPERATION => Valid operations are {=, !=, >, <, <=, >=}




#### INSERT Query

	 Insert into  values (data...);

  

  

  - DESCRIPTION

  

		 DATA => It is comma separated string of the data to be inserted. DO NOT leave a space in the paranthesis.




#### DELETE Query

	 Delete from  [Where] [column_name] [operation] [value];

  

  

  - OPTION

 

		 WHERE => It can be used only on any one column.

		 OPERATION => Valid operations are {=, !=, >, <, <=, >=}

		 





#### The following code has been tested and executed on Linux.

 #### This project still has scope of development, so you can also contribute to this Project as follows:

* [Fork](https://github.com/mrpandya/DBMS_from_scratch) this Repository.

* Clone your Fork on a different branch:

	* `git clone -b  https://github.com/mrpandya/DBMS_from_scratch.git`

* After adding any feature:

	* Goto your fork and create a pull request.

	* Your modifications will be  tested and the changes will be merged.

---



Developed with :heart: by Manan Pandya .