To create a manager database and execute DML queries using SQL.
The SQL commands that deal with the manipulation of data present in the database belong to DML or Data Manipulation Language and this includes most of the SQL statements. It is the component of the SQL statement that controls access to data and to the database. Basically, DCL statements are grouped with DML statements.
INSERT: It is used to insert data into a table.
UPDATE: It is used to update existing data within a table.
DELETE: It is used to delete records from a database table.
UPDATE: It is used to update existing data within a table.
DELETE: It is used to delete records from a database table.
create table manager(enumber number(6),ename char(15),salary number(5),commission number(4),annualsalary number(7),Hiredate date,designation char(10),deptno number(2),reporting char(10));
insert into manager values(7369,'Dharsan',2500,500,30000,'30-June-81','clerk',10,'John');
insert into manager values(7839,'Subu',3000,400,36000,'1-Jul-82','manager',null,'James');
insert into manager values(7934,'Aadhi',3500,300,42000,'1-May-82','manager',30,NULL);
insert into manager values(7788,'Vikash',4000,0,48000,'12-Aug-82','clerk',50,'Bond');
Q3) Display each name of the employee as “Name” and annual salary as “Annual Salary” (Note: Salary in emp table is the monthly salary)
Q11) List ename, deptno and sal after sorting emp table in ascending order by deptno and then descending order by sal.
Q15) List the jobs and number of employees in each job. The result should be in the descending order of the number of employees.
To create a manager database and execute DML queries using SQL is executed successfully.