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Creating a database
- 1. Creating a Database Chapter 13
- 6. Create table example create table classmaster ( classid varchar2(4) primary key, classname varchar2(15) not null unique, intake number(3));
- 7. Create table example Create table classmaster2 ( classid varchar2(4) , classname varchar2(15) not null , intake number(3), doa date default '01-JUL-10', primary key(classid), unique(classname), check (intake between 0 and 100), Constraint fk_clm_clname foreign key(classname) references classmaster(classname) ) ;
- 8. Create table example Create table studentmaster ( regno varchar2(4) primary key, classid varchar2(14) constraint fk_sm_clsmstr references classmaster(classid) on delete set null, sfname varchar2(20) not null, slname varchar2(20) not null, DOB date, DOA date default ’01-JUL-10’, AdmStatus char(1) check (admstatus in ('A','C','P')), freeship char(1) check (freeship in ('Y','N')), check( doa>dob)); );
- 36. THANKS