Summary of Important SQL commands SELECT extracts data from a DB UPDATE updates data in a DB DELETE deletes data from a DB INSERT INTO inserts new data into a DB CREATE DATABASE creates a new DB ALTER DATABASE modifies a DB CREATE TABLE creates a new table ALTER TABLE modifies a table DROP TABLE deletes a table CREATE INDEX creates an index (search key) DROP INDEX deletes an index UPDATE used to..

Summary of Important SQL commands SELECT extracts data from a DB UPDATE updates data in a DB DELETE deletes data from a DB INSERT INTO inserts new data into a DB CREATE DATABASE creates a new DB ALTER DATABASE modifies a DB CREATE TABLE creates a new table ALTER TABLE modifies a table DROP TABLE deletes a table CREATE INDEX creates an index (search key) DROP INDEX deletes an index LIMIT used to ..

Summary of Important SQL commands SELECT extracts data from a DB UPDATE updates data in a DB DELETE deletes data from a DB INSERT INTO inserts new data into a DB CREATE DATABASE creates a new DB ALTER DATABASE modifies a DB CREATE TABLE creates a new table ALTER TABLE modifies a table DROP TABLE deletes a table CREATE INDEX creates an index (search key) DROP INDEX deletes an index SELECT selects..