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What are the core statements of SQL language?

王林

Nov 25, 2020 am 11:12 AM

SQL语言

The core statement of SQL language is the query statement. There are many important statements in SQL, such as [CREATE DATABASE] to create a new database and [ALTER DATABASE] to modify the database.

What are the core statements of SQL language?

#The core statement of SQL language is the query statement.

(Learning video sharing: sql video tutorial)

SQL statement is the abbreviation of structured query language Smmure Query Language, and its core is data query.

The most important DDL statements in SQL:

CREATE DATABASE - Create a new database
ALTER DATABASE - Modify the database
CREATE TABLE - Create a new table
ALTER TABLE - Alter (change) a database table
DROP TABLE - Delete table
##CREATE INDEX - Create index (search key)
DROP INDEX - Delete index

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