Posts on P R A K U S H

SQL

Thu, 18 Jun 2026 22:33:03 +0530

What is SQL?
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SQL, or Structured Query Language, is a language designed to allow both technical and non-technical users query, manipulate, and transform data from a relational database. And due to its simplicity, SQL databases provide safe and scalable storage for millions of websites and mobile applications.

Did you know? There are many popular SQL databases including SQLite, MySQL, Postgres, Oracle and Microsoft SQL Server. All of them support the common SQL language standard, which is what this site will be teaching, but each implementation can differ in the additional features and storage types it supports.

linux commands

Wed, 03 Jun 2026 20:11:01 +0530

linux fundamentals from `scratch`…
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1. Opening and Closing the Terminal
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open : Ctrl+alt+t close: Ctrl+d

2. Basic Commands
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echo : returns command line arguments to standard output. date : show the current date and time cal : show the calendar cat : read and write files cut : divided into blocks and gives u fields grep : grep the content from the file cd : change directories ls : list files and directories man : man command is use for finding man pages. apropos: to finding man pages or commands.

vim

Wed, 03 Jun 2026 20:11:01 +0530

cursore movment and file savings
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The cursor is moved using either the arrow keys or the h j k l keys.
- h (left)
- j (down)
- k (up)
- l (right)

To start Vim from the shell prompt type: vim FILENAME
To exit Vim type: :q! to trash all changes.
To delete the character at the cursor type: x

Posts on P R A K U S H

SQL

What is SQL? #

linux commands

linux fundamentals from scratch… #

1. Opening and Closing the Terminal #

2. Basic Commands #

vim

cursore movment and file savings #

What is SQL?
#

linux fundamentals from `scratch`…
#

1. Opening and Closing the Terminal
#

2. Basic Commands
#

cursore movment and file savings
#