Answer Posted / ambika balasubramanian

DDL => Data Definition Language
DML => Data Manipulation Language
DDL Commands
1. CREATE TABLE
2. ALTER TABLE
3.DESCRIBE TABLE
4.DROP TABLE
* CREATE TABLE
Syntax:
create table tablename( fieldname1 datatype(),fieldname2
datatype()...);
*ALTER TABLE
1. ADD
2.MODIFY
*ADD
Syntax:
alter table tablename ADD(fieldname datatype()...);
*modify:
syntax:
Alter table tablename modify(fieldname datatype()...);
*DESCRIBE TABLE
Syntax:
DESC(table name)
*DROP TABLE
Syntax: DROP TABLE(Table name);
DML Commands:
1.INSERT
2.SELECT
3.UPDATE
4.DELETE
*INSERT:
SYN:
INSERT INTO Tablename values();
*SELECT:
syn:
select*from <table name>
*UPDATE:
SYN:
update<table name> set to(calculation);
*DELETE:
SYN:
delete form<table name>;

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