13 Essential MySQL Commands Every Database User Should Know
Here are some useful MySQL commands that can help you manage and interact with a MySQL database:
CREATE DATABASE: Creates a new database.
sqlCREATE DATABASE database_name;
DROP DATABASE: Deletes an existing database.
sqlDROP DATABASE database_name;
USE: Selects a specific database to work with.
USE database_name;
CREATE TABLE: Creates a new table within a database.
sqlCREATE TABLE table_name ( column1 datatype, column2 datatype, ... );
ALTER TABLE: Modifies an existing table structure.
sqlALTER TABLE table_name ADD column_name datatype; ALTER TABLE table_name MODIFY column_name datatype; ALTER TABLE table_name DROP COLUMN column_name;
SELECT: Retrieves data from one or more tables.
sqlSELECT column1, column2, ... FROM table_name;
INSERT INTO: Inserts new records into a table.
sqlINSERT INTO table_name (column1, column2, ...) VALUES (value1, value2, ...);
UPDATE: Modifies existing records in a table.
sqlUPDATE table_name SET column1 = value1, column2 = value2, ... WHERE condition;
DELETE: Deletes records from a table.
sqlDELETE FROM table_name WHERE condition;
CREATE INDEX: Creates an index on a table column to improve query performance.
arduinoCREATE INDEX index_name ON table_name (column_name);
DROP INDEX: Removes an index from a table.
graphqlDROP INDEX index_name ON table_name;
SHOW TABLES: Lists all tables in the current database.
sqlSHOW TABLES;
DESCRIBE: Provides information about the structure of a table.
sqlDESCRIBE table_name;
These are just a few commonly used MySQL commands. There are many more commands available to perform various tasks, such as managing users, setting privileges, and optimizing queries. It's recommended to consult the MySQL documentation for a comprehensive list of commands and their usages.
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