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Learning MySQL eBook (PDF) Download this eBook for free. Chapters. Chapter 1: Getting started with MySQL. Chapter 2: ALTER TABLE. Chapter 3: Arithmetic. Chapter 4: Backticks. Chapter 5: Backup using mysqldump. Chapter 6: Change Password. Chapter 7: Character Sets and Collations. Chapter 8: Clustering. Chapter 9: Comment Mysql.
- Getting Started With Mysql
MySQL is an open-source Relational Database Management...
- ALTER TABLE
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- Getting Started With Mysql
This chapter provides a tutorial introduction to MySQL by showing how to use the mysql client program to create and use a simple database. mysql (sometimes referred to as the “terminal monitor” or just
You can create a new database using SQL command "CREATE DATABASE databaseName"; and delete a database using "DROP DATABASE databaseName". You could optionally apply condition "IF EXISTS" or "IF NOT EXISTS" to these commands.
20 Ιαν 2021 · Create a new database: CREATE DATABASE database_name; Access a database: USE database_name; Delete a database (and drop all tables): DROP DATABASE database_name; List all databases on the MySQL server: SHOW DATABASES; List all MySQL users: SELECT user FROM mysql.user;
17 Ιουλ 2024 · The drop command is used to delete databases from MySQL server or objects within a database. The rename command is used to change the name of a table to a new table name. In this MySQL Tutorial, we will learn Alter, Drop, Rename, Change Keyword, Modify Keyword, After keyword commands.
DROP COLUMN column_name; Code language: SQL (Structured Query Language) (sql) In this syntax: First, specify the name of the table that contains the column which you want to drop after the ALTER TABLE keywords. Second, specify the name of the column that you want to drop in the DROP COLUMN clause.
To remove existing tables, you use the MySQL DROP TABLE statement. Here is the basic syntax of the DROP TABLE statement: DROP [TEMPORARY] TABLE [IF EXISTS] table_name [, table_name] ... [RESTRICT | CASCADE] Code language: SQL (Structured Query Language) (sql) The DROP TABLE statement removes a table and its data permanently from the database.
