Design at least 10 SQL queries for suitable database application using SQL DML statements: all types of Join, Sub-Query and View.

1. Practical No: 4
Problem Statement: Design at least 10 SQL queries for suitable database
application using SQL DML statements:
all types of Join, Sub-Query and View.
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-------------------------------
##Sub-Query
mysql> select * from emp;
+-------+--------+-----------+------+------------+---------+---------+--------+
| empno | ename | job | mgr | hiredate | sal | comm | deptno |
+-------+--------+-----------+------+------------+---------+---------+--------+
| 7369 | SMITH | CLERK | 7902 | 1980-12-17 | 800.00 | NULL | 20 |
| 7499 | ALLEN | SALESMAN | 7698 | 1981-02-20 | 1600.00 | 300.00 | 30 |
| 7521 | WARD | SALESMAN | 7698 | 1981-02-22 | 1250.00 | 500.00 | 30 |
| 7566 | JONES | MANAGER | 7839 | 1981-04-02 | 2975.00 | NULL | 20 |
| 7654 | MARTIN | SALESMAN | 7698 | 1981-09-28 | 1250.00 | 1400.00 | 30 |
| 7698 | BLAKE | MANAGER | 7839 | 1981-05-01 | 2850.00 | NULL | 30 |
| 7782 | CLARK | MANAGER | 7839 | 1981-06-09 | 2450.00 | NULL | 10 |
| 7788 | SCOTT | ANALYST | 7566 | 1982-12-09 | 3000.00 | NULL | 20 |
| 7839 | KING | PRESIDENT | NULL | 1981-11-17 | 5000.00 | NULL | 10 |
| 7844 | TURNER | SALESMAN | 7698 | 1981-09-08 | 1500.00 | 0.00 | 30 |
| 7876 | ADAMS | CLERK | 7788 | 1983-01-12 | 1100.00 | NULL | 20 |
| 7900 | JAMES | CLERK | 7698 | 1981-12-03 | 950.00 | NULL | 30 |
| 7902 | FORD | ANALYST | 7566 | 1981-12-03 | 3000.00 | NULL | 20 |
| 7934 | MILLER | CLERK | 7782 | 1982-01-23 | 1300.00 | NULL | 10 |
+-------+--------+-----------+------+------------+---------+---------+--------+
14 rows in set (0.00 sec)
mysql> select ename,sal,deptno from emp where deptno= (select deptno from emp
where ename="SMITH");
+-------+---------+--------+
| ename | sal | deptno |
+-------+---------+--------+
| SMITH | 800.00 | 20 |
| JONES | 2975.00 | 20 |
| SCOTT | 3000.00 | 20 |
| ADAMS | 1100.00 | 20 |
| FORD | 3000.00 | 20 |
+-------+---------+--------+
5 rows in set (0.00 sec)
mysql> select ename,sal,deptno from emp where deptno= (select deptno from emp
where ename="SMITH") and ename<>"SMITH";
+-------+---------+--------+
| ename | sal | deptno |
+-------+---------+--------+
| JONES | 2975.00 | 20 |
| SCOTT | 3000.00 | 20 |
| ADAMS | 1100.00 | 20 |
| FORD | 3000.00 | 20 |
+-------+---------+--------+
4 rows in set (0.00 sec)
mysql> select ename,sal,deptno from emp where deptno= (select deptno from emp
where ename="SMITH");
+-------+---------+--------+
| ename | sal | deptno |
+-------+---------+--------+
| SMITH | 800.00 | 20 |
| JONES | 2975.00 | 20 |
| SCOTT | 3000.00 | 20 |

2. | ADAMS | 1100.00 | 20 |
| FORD | 3000.00 | 20 |
+-------+---------+--------+
5 rows in set (0.00 sec)
mysql> select ename,sal,deptno from emp where sal> (select sal from emp where
ename="SMITH");
+--------+---------+--------+
| ename | sal | deptno |
+--------+---------+--------+
| ALLEN | 1600.00 | 30 |
| WARD | 1250.00 | 30 |
| JONES | 2975.00 | 20 |
| MARTIN | 1250.00 | 30 |
| BLAKE | 2850.00 | 30 |
| CLARK | 2450.00 | 10 |
| SCOTT | 3000.00 | 20 |
| KING | 5000.00 | 10 |
| TURNER | 1500.00 | 30 |
| ADAMS | 1100.00 | 20 |
| JAMES | 950.00 | 30 |
| FORD | 3000.00 | 20 |
| MILLER | 1300.00 | 10 |
+--------+---------+--------+
13 rows in set (0.00 sec)
mysql> select ename,sal,deptno from emp where sal> (select sal from emp where
ename="SMITH") and ename<>"SMITH";
+--------+---------+--------+
| ename | sal | deptno |
+--------+---------+--------+
| ALLEN | 1600.00 | 30 |
| WARD | 1250.00 | 30 |
| JONES | 2975.00 | 20 |
| MARTIN | 1250.00 | 30 |
| BLAKE | 2850.00 | 30 |
| CLARK | 2450.00 | 10 |
| SCOTT | 3000.00 | 20 |
| KING | 5000.00 | 10 |
| TURNER | 1500.00 | 30 |
| ADAMS | 1100.00 | 20 |
| JAMES | 950.00 | 30 |
| FORD | 3000.00 | 20 |
| MILLER | 1300.00 | 10 |
+--------+---------+--------+
13 rows in set (0.00 sec)
mysql> select ename,sal,deptno from emp where sal in(select sal from emp where
ename="SMITH" OR ename="SCOTT" );
+-------+---------+--------+
| ename | sal | deptno |
+-------+---------+--------+
| SMITH | 800.00 | 20 |
| SCOTT | 3000.00 | 20 |
| FORD | 3000.00 | 20 |
+-------+---------+--------+
3 rows in set (0.00 sec)
mysql> select ename,sal,deptno from emp where sal in(select sal from emp where
ename="SMITH" OR ename="SCOTT" );
+-------+---------+--------+
| ename | sal | deptno |
+-------+---------+--------+

3. | SMITH | 800.00 | 20 |
| SCOTT | 3000.00 | 20 |
| FORD | 3000.00 | 20 |
+-------+---------+--------+
3 rows in set (0.00 sec)
mysql> select ename,sal,deptno from emp where deptno in(select deptno from emp
where ename="SMITH" OR ename="SCOTT" );
+-------+---------+--------+
| ename | sal | deptno |
+-------+---------+--------+
| SMITH | 800.00 | 20 |
| JONES | 2975.00 | 20 |
| SCOTT | 3000.00 | 20 |
| ADAMS | 1100.00 | 20 |
| FORD | 3000.00 | 20 |
+-------+---------+--------+
5 rows in set (0.00 sec)
mysql> select ename,sal,deptno from emp where deptno in(select deptno from emp
where ename="SMITH" OR ename="MILLER" );
+--------+---------+--------+
| ename | sal | deptno |
+--------+---------+--------+
| SMITH | 800.00 | 20 |
| JONES | 2975.00 | 20 |
| CLARK | 2450.00 | 10 |
| SCOTT | 3000.00 | 20 |
| KING | 5000.00 | 10 |
| ADAMS | 1100.00 | 20 |
| FORD | 3000.00 | 20 |
| MILLER | 1300.00 | 10 |
+--------+---------+--------+
8 rows in set (0.00 sec)
mysql> select ename,sal,deptno from emp where deptno > ALL(select deptno from
emp where ename="SMITH" OR ename="MILLER" );
+--------+---------+--------+
| ename | sal | deptno |
+--------+---------+--------+
| ALLEN | 1600.00 | 30 |
| WARD | 1250.00 | 30 |
| MARTIN | 1250.00 | 30 |
| BLAKE | 2850.00 | 30 |
| TURNER | 1500.00 | 30 |
| JAMES | 950.00 | 30 |
+--------+---------+--------+
6 rows in set (0.00 sec)
mysql> select ename,sal,deptno from emp where deptno > ANY(select deptno from
emp where ename="SMITH" OR ename="MILLER" );
+--------+---------+--------+
| ename | sal | deptno |
+--------+---------+--------+
| SMITH | 800.00 | 20 |
| ALLEN | 1600.00 | 30 |
| WARD | 1250.00 | 30 |
| JONES | 2975.00 | 20 |
| MARTIN | 1250.00 | 30 |
| BLAKE | 2850.00 | 30 |
| SCOTT | 3000.00 | 20 |
| TURNER | 1500.00 | 30 |
| ADAMS | 1100.00 | 20 |
| JAMES | 950.00 | 30 |

4. | FORD | 3000.00 | 20 |
+--------+---------+--------+
11 rows in set (0.00 sec)
mysql> select ename,sal,deptno from emp where deptno > ANY(select deptno from
emp where ename="TURNER" OR ename="MILLER" );
+--------+---------+--------+
| ename | sal | deptno |
+--------+---------+--------+
| SMITH | 800.00 | 20 |
| ALLEN | 1600.00 | 30 |
| WARD | 1250.00 | 30 |
| JONES | 2975.00 | 20 |
| MARTIN | 1250.00 | 30 |
| BLAKE | 2850.00 | 30 |
| SCOTT | 3000.00 | 20 |
| TURNER | 1500.00 | 30 |
| ADAMS | 1100.00 | 20 |
| JAMES | 950.00 | 30 |
| FORD | 3000.00 | 20 |
+--------+---------+--------+
11 rows in set (0.00 sec)
mysql> select ename,sal,deptno from emp where deptno > ANY(select deptno from
emp where ename="TURNER" OR ename="SCOTT" );
+--------+---------+--------+
| ename | sal | deptno |
+--------+---------+--------+
| ALLEN | 1600.00 | 30 |
| WARD | 1250.00 | 30 |
| MARTIN | 1250.00 | 30 |
| BLAKE | 2850.00 | 30 |
| TURNER | 1500.00 | 30 |
| JAMES | 950.00 | 30 |
+--------+---------+--------+
6 rows in set (0.00 sec)
mysql> select ename,sal,deptno from emp where deptno > all(select deptno from
emp where ename="TURNER" OR ename="SCOTT" );
Empty set (0.00 sec)
mysql> select ename,sal,deptno from emp where sal > ANY(select sal from emp
where ename="TURNER" OR ename="SCOTT" );
+-------+---------+--------+
| ename | sal | deptno |
+-------+---------+--------+
| ALLEN | 1600.00 | 30 |
| JONES | 2975.00 | 20 |
| BLAKE | 2850.00 | 30 |
| CLARK | 2450.00 | 10 |
| SCOTT | 3000.00 | 20 |
| KING | 5000.00 | 10 |
| FORD | 3000.00 | 20 |
+-------+---------+--------+
7 rows in set (0.00 sec)
mysql> select ename,sal,deptno from emp where sal > ALL(select sal from emp
where ename="TURNER" OR ename="SCOTT" );
+-------+---------+--------+
| ename | sal | deptno |
+-------+---------+--------+
| KING | 5000.00 | 10 |
+-------+---------+--------+

5. 1 row in set (0.00 sec)
mysql> select ename,deptno from emp where deptno=(select deptno from dept where
dname="RESEARCH");
+-------+--------+
| ename | deptno |
+-------+--------+
| SMITH | 20 |
| JONES | 20 |
| SCOTT | 20 |
| ADAMS | 20 |
| FORD | 20 |
+-------+--------+
5 rows in set (0.00 sec)
##Jion
mysql> create table orange(o_id varchar(20),price int(12));
Query OK, 0 rows affected (0.35 sec)
mysql> create table apple(a_id varchar(20),price int(12));
Query OK, 0 rows affected (0.06 sec)
mysql> insert into orange values("O1",50),("O2",60);
Query OK, 2 rows affected (0.30 sec)
Records: 2 Duplicates: 0 Warnings: 0
mysql> insert into apple values("A1",60),("A2",60);
Query OK, 2 rows affected (0.30 sec)
Records: 2 Duplicates: 0 Warnings: 0
mysql> select * from apple;
+------+-------+
| a_id | price |
+------+-------+
| A1 | 60 |
| A2 | 60 |
+------+-------+
2 rows in set (0.00 sec)
mysql> select * from orange;
+------+-------+
| o_id | price |
+------+-------+
| O1 | 50 |
| O2 | 60 |
+------+-------+
2 rows in set (0.00 sec)
mysql> select * from orange,apple;
+------+-------+------+-------+
| o_id | price | a_id | price |
+------+-------+------+-------+
| O1 | 50 | A1 | 60 |
| O2 | 60 | A1 | 60 |
| O1 | 50 | A2 | 60 |
| O2 | 60 | A2 | 60 |
+------+-------+------+-------+
4 rows in set (0.00 sec)
mysql> select * from orange o inner join apple a on o.price=a.price;
+------+-------+------+-------+
| o_id | price | a_id | price |
+------+-------+------+-------+

6. | O2 | 60 | A1 | 60 |
| O2 | 60 | A2 | 60 |
+------+-------+------+-------+
2 rows in set (0.04 sec)
mysql> select * from orange o left outer join apple a on o.price=a.price;
+------+-------+------+-------+
| o_id | price | a_id | price |
+------+-------+------+-------+
| O2 | 60 | A1 | 60 |
| O2 | 60 | A2 | 60 |
| O1 | 50 | NULL | NULL |
+------+-------+------+-------+
3 rows in set (0.00 sec)
mysql> select * from orange o right outer join apple a on o.price=a.price;
+------+-------+------+-------+
| o_id | price | a_id | price |
+------+-------+------+-------+
| O2 | 60 | A1 | 60 |
| O2 | 60 | A2 | 60 |
+------+-------+------+-------+
2 rows in set (0.00 sec)
mysql> (select * from orange o left outer join apple a on o.price=a.price)
union(select * from orange o right outer join apple a on o.price=a.price);
+------+-------+------+-------+
| o_id | price | a_id | price |
+------+-------+------+-------+
| O2 | 60 | A1 | 60 |
| O2 | 60 | A2 | 60 |
| O1 | 50 | NULL | NULL |
+------+-------+------+-------+