Step1: connect system/manager
Step2: select * from dba_users; // for list of user;
step3: drop user <username> cascade; // for user with u want name.
Step4: create user <username> identified by <password> ; // For creating a user
Step5: grant connect,resource to satish; // This will give you access to you user a/c
Step6: conn satish/satish; // Now you are connected to db as 'satish'
Step7: create table Dept (Dno number(2) primary key, Dname varchar2(25) unique, Location varchar2(15) Not Null); // This will create table.
Step8: set linesize 300; // For long row
Step9: Desc <table_name> // shows the columnname,datatype,Notnull constraint.
Step10: insert into Dept(Dno,Dname,Location) values(&dno,'&dname','&location'); // for multiple inserts
Step11: create table Emp(Eno number(6) primary key,Ename varchar2(35) not null,Salary number(8) check(Salary>10000),Deptno number(2), foreign key(Deptno) references Dept(Dno) on update cascade on delete cascade);
These are the steps i have done. But the step11 was showing an error like "right parentheses missing" like that. By removing any one on delete or on update above script was excecuted.
I have to solve