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mirror of https://github.com/namibia/awesome-cheatsheets.git synced 2024-07-21 19:30:35 +00:00

Add Comprehensive MySQL Commands to Cheatsheet

This commit is contained in:
Kelvin Anigboro 2024-01-01 18:33:13 +00:00
parent d143c60246
commit 4fdd37d875

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@ -16,3 +16,69 @@ GRANT ALL PRIVILEGES ON prospectwith.* TO 'power'@'localhost' WITH GRANT OPTION;
CREATE USER 'newuser'@'localhost' IDENTIFIED BY 'password'; # Create user
mysql -u root -pmypassword -e "MY SQL QUERY" &>> query.log & disown # Run SQL query in the background
# *****************************************************************************
# Database and Table Operations
# *****************************************************************************
CREATE DATABASE database_name; # Create a new database
DROP DATABASE database_name; # Delete a database
CREATE TABLE table_name (column1 datatype, column2 datatype, ...); # Create a new table
DROP TABLE table_name; # Delete a table
SHOW TABLES; # Display all tables in the current database
DESCRIBE table_name; # Show the structure of a table
# *****************************************************************************
# Data Manipulation
# *****************************************************************************
INSERT INTO table_name (column1, column2, ...) VALUES (value1, value2, ...); # Insert data into a table
UPDATE table_name SET column1 = value1, column2 = value2, ... WHERE condition; # Update existing data in a table
DELETE FROM table_name WHERE condition; # Delete data from a table
SELECT column1, column2, ... FROM table_name WHERE condition; # Select data from a table
# *****************************************************************************
# Backup and Restore
# *****************************************************************************
mysqldump -u username -p database_name table1 table2 > file.sql # Backup specific tables
mysql -u username -p database_name < file.sql # Restore specific tables
# *****************************************************************************
# User Management and Security
# *****************************************************************************
REVOKE privilege_type ON database_name.table_name FROM 'username'@'hostname'; # Revoke privileges from a user
DROP USER 'username'@'hostname'; # Delete a user
ALTER USER 'username'@'hostname' IDENTIFIED BY 'newpassword'; # Reset a user's password
# *****************************************************************************
# Performance and Maintenance
# *****************************************************************************
OPTIMIZE TABLE table_name; # Optimize a table
ANALYZE TABLE table_name; # Analyze a table for key distribution and storage optimization
CHECK TABLE table_name; # Check a table for errors
REPAIR TABLE table_name; # Repair a corrupted table
# *****************************************************************************
# Advanced Queries
# *****************************************************************************
SELECT ... FROM table1 JOIN table2 ON table1.column = table2.column; # Perform a join operation between two tables
SELECT ... FROM (SELECT ... FROM table_name) AS subquery; # Use a subquery within another query
SELECT column, COUNT(*) FROM table_name GROUP BY column; # Group results and use aggregate functions
# *****************************************************************************
# System Information
# *****************************************************************************
SELECT VERSION(); # Show the current version of MySQL
SELECT User, Host FROM mysql.user; # List all current MySQL users
# *****************************************************************************
# Miscellaneous
# *****************************************************************************
SET GLOBAL general_log = 'ON'; # Enable query logging
SHOW FULL PROCESSLIST; # Show the last queries executed in MySQL