The following are learning about cloud computing course content source framework notes, here are details about the source of the second part of Mysql:
SQL statement classification:
SQL statements are divided into three categories
DDL statements
DDL data definition statements, is the object of an internal database to create, delete, modify, and other statements .create operation, drop, alter, etc. (DBA commonly used)
DML statements
DML is a data manipulation statements, refers to the basic operation of the database table record, insert, update, delete, select, etc. (common development)
DCL statement
DCL is a data control statement is used to control different segments of licensing and direct access levels statement. Define databases, tables, fields, user access rights and security levels, mainly grant, revoke, etc. (DBA commonly used)
The basic database operations
Additions and deletions to change search database
Library operations
Create a library
mysql > create database db1;
View Gallery
mysql > show databases;
mysql> show create database db1; // more detailed view of the library
Use the library
mysql > use db1;
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