CREATE and INSERT Queries

=> Create Table
 create table employee(no integer,name varchar2(15));

=>Crete Table with Primary key
 create table employee(no int primary key,name varchar2(15));

=>Crete Table with different Data types

 create table student(a int,b integer,c long,d float,e numeric(7,2),f number(7,2),g dec(7,2),h decimal(7,2),i varchar2(15),j date);

* desc student

 Name                                      Null?    Type
 ----------------------------------------- --------

 A                                                  NUMBER(38)
 B                                                  NUMBER(38)
 C                                                  LONG
 D                                                  FLOAT(126)
 E                                                  NUMBER(7,2)
 F                                                  NUMBER(7,2)
 G                                                  NUMBER(7,2)
 H                                                  NUMBER(7,2)
 I                                                  VARCHAR2(15)
 J                                                  DATE

* insert row into student table

insert into student values(100000000000,20000000,300000000,111.5,15000.00,15000.00,15000.00,15000.00,'ram',TO_DATE('1988/10/28','yyyy/mm/dd'));