Common SQL Queries (2)

7/29/2019 Common SQL Queries (2)

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SQL> cl scr

SQL> SELECT2 TO_CHAR(TO_DATE('&GiveNumber', 'J'), 'JSP') "Spelled Number"3 FROM DUAL;

Enter value for givenumber: 1

Spe---ONE

SQL> /Enter value for givenumber: 12345

Spelled Number----------------------------------------TWELVE THOUSAND THREE HUNDRED FORTY-FIVE

SQL> /Enter value for givenumber: 2345

Spelled Number-------------------------------------TWO THOUSAND THREE HUNDRED FORTY-FIVE

SQL> cl scr

SQL> SELECT2 'SATISH KUMAR YELLANKI' OrgName,3 TRANSLATE('SATISH KUMAR YELLANKI',4 'ABCDEFGHIJKLMNOPQRSTUVWXYZ',5 '1234567890!@#$%^&*()-=_+;,.') EncryptedName6 FROM DUAL;

ORGNAME ENCRYPTEDNAME--------------------- ---------------------SATISH KUMAR YELLANKI (1)9(8 !-#1* ;5@@1$!9

SQL> edWrote file afiedt.buf

1 SELECT2 '(1)9(8 !-#1* ;5@@1$!9' EncryptName,3 TRANSLATE('(1)9(8 !-#1* ;5@@1$!9',4 '1234567890!@#$%^&*()-=_+;,.',5 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'6 ) DecryptedName7* FROM DUAL

SQL> /

ENCRYPTNAME DECRYPTEDNAME--------------------- ---------------------(1)9(8 !-#1* ;5@@1$!9 SATISH KUMAR YELLANKI

SQL> cl scr

SQL> SELECT2 AVG(Sal), AVG(DISTINCT Sal)3 FROM Emp;


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AVG(SAL) AVG(DISTINCTSAL)---------- ----------------2073.21429 2064.58333


1 SELECT2 AVG(Comm)3* FROM Emp

SQL> /

AVG(COMM)----------

550


1 SELECT2 AVG(Comm),3 AVG(NVL(Comm, 0))4* FROM Emp

SQL> /

AVG(COMM) AVG(NVL(COMM,0))---------- ----------------

550 157.142857

SQL> cl scr

SQL> SELECT2 SUM(Sal),3 SUM(DISTINCT Sal)4 FROM Emp;

SUM(SAL) SUM(DISTINCTSAL)

---------- ----------------29025 24775


1 SELECT2 SUM(Comm), AVG(Comm)3* FROM Emp

SQL> /

SUM(COMM) AVG(COMM)---------- ----------

2200 550

SQL> cl scr


1 SELECT2 MAX(Sal), MIN(Sal)3* FROM Emp


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SQL> /

MAX(SAL) MIN(SAL)---------- ----------

5000 800


1 SELECT2 Ename,3 MAX(Sal)4* FROM Emp

SQL> /Ename,*ERROR at line 2:ORA-00937: not a single-group group function


1 SELECT

2 Ename,3 MAX(Sal)4 FROM Emp5* GROUP BY Ename

SQL> /

ENAME MAX(SAL)---------- ----------ADAMS 1100ALLEN 1600BLAKE 2850CLARK 2450FORD 3000

JAMES 950JONES 2975KING 5000MARTIN 1250MILLER 1300SCOTT 3000

ENAME MAX(SAL)---------- ----------SMITH 800TURNER 1500WARD 1250

14 rows selected.

SQL> cl scr

SQL> SELECT COUNT(*)2 FROM Emp;

COUNT(*)----------

14


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1 SELECT COUNT(Sal)2* FROM Emp

SQL> /

COUNT(SAL)----------

14


1 SELECT COUNT(DISTINCT Sal)2* FROM Emp

SQL> /

COUNT(DISTINCTSAL)------------------

12

SQL> cl scr


1 SELECT COUNT(*), COUNT(Comm)2* FROM Emp

SQL> /

COUNT(*) COUNT(COMM)---------- -----------

14 4

SQL> cl scr


1 SELECT COUNT(*), COUNT(MGR)2* FROM Emp

SQL> /

COUNT(*) COUNT(MGR)---------- ----------

14 13

SQL> ed

Wrote file afiedt.buf

1 SELECT COUNT(*), COUNT(MGR), COUNT(DISTINCT MGR)2* FROM Emp

SQL> /

COUNT(*) COUNT(MGR) COUNT(DISTINCTMGR)---------- ---------- ------------------

14 13 6


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SQL> cl scr

SQL> SELECT Deptno2 FROM Emp3 ORDER BY Deptno;

DEPTNO----------

1010102020202020303030

DEPTNO----------

3030

30

14 rows selected.


1 SELECT Deptno2 FROM Emp3* GROUP BY Deptno

SQL> /

DEPTNO

----------102030

SQL> SELECT DISTINCT Deptno2 FROM Emp;

DEPTNO----------

102030

SQL> cl scr

SQL> SELECT Job2 FROM Emp;

JOB---------PRESIDENTMANAGER


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MANAGERMANAGERSALESMANSALESMANSALESMANCLERKSALESMANANALYSTCLERK

JOB---------ANALYSTCLERKCLERK

14 rows selected.


1 SELECT Job2 FROM Emp3* GROUP BY Job

SQL> /

JOB---------ANALYSTCLERKMANAGERPRESIDENTSALESMAN

SQL> SELECT Empno2 FROM Emp;

EMPNO----------73697499752175667654769877827788783978447876

EMPNO----------

790079027934

14 rows selected.

SQL> ed


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Wrote file afiedt.buf

1 SELECT Empno2 FROM Emp3* GROUP BY Empno

SQL> /

EMPNO----------

73697499752175667654769877827788783978447876

EMPNO----------

7900

79027934

14 rows selected.

SQL> cl scr

SQL> SELECT Deptno, Job2 FROM Emp3 GROUP BY Deptno;

SELECT Deptno, Job*

ERROR at line 1:

ORA-00979: not a GROUP BY expression


1 SELECT Deptno, Job2 FROM Emp3* GROUP BY Deptno, Job

SQL> /

DEPTNO JOB---------- ---------

10 CLERK10 MANAGER10 PRESIDENT20 CLERK20 ANALYST20 MANAGER30 CLERK30 MANAGER30 SALESMAN


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9 rows selected.

SQL> cl scr

SQL> SELECT SUM(Sal) FROM Emp;

SUM(SAL)----------

29025

SQL> SELECT Deptno FROM Emp2 GROUP BY Deptno;

DEPTNO----------

102030

SQL> SELECT Deptno, SUM(Sal) FROM Emp2 GROUP BY Deptno;

DEPTNO SUM(SAL)---------- ----------

10 875020 1087530 9400


1 SELECT Deptno, SUM(Sal)2 FROM Emp3 WHERE Deptno 204* GROUP BY Deptno

SQL> /

DEPTNO SUM(SAL)---------- ----------10 875030 9400


1 SELECT Deptno, SUM(Sal)2 FROM Emp3* GROUP BY Deptno

SQL> /

DEPTNO SUM(SAL)---------- ----------

10 875020 1087530 9400


1 SELECT Deptno, SUM(Sal)


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2 FROM Emp3 GROUP BY Deptno4* ORDER BY SUM(Sal)

SQL> /

DEPTNO SUM(SAL)---------- ----------

10 875030 940020 10875


1 SELECT SUM(Sal)2 FROM Emp3* GROUP BY Deptno

SQL> /

SUM(SAL)----------

8750108759400

SQL> cl scr

SQL> SELECT Deptno2 FROM Emp3 GROUP BY Deptno;

DEPTNO----------

102030


1 SELECT Job2 FROM Emp3* GROUP BY Job

SQL> /

JOB---------ANALYSTCLERKMANAGER

PRESIDENTSALESMAN


1 SELECT MGR2 FROM Emp3* GROUP BY MGR

SQL> /


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MGR----------

756676987782778878397902

7 rows selected.


1 SELECT HireDate2 FROM Emp3* GROUP BY HireDate

SQL> /

HIREDATE---------17-DEC-80

20-FEB-8122-FEB-8102-APR-8101-MAY-8109-JUN-8108-SEP-8128-SEP-8117-NOV-8103-DEC-8123-JAN-82

HIREDATE---------

09-DEC-8212-JAN-83

13 rows selected.

SQL> SELECT Ename, HireDate2 FROM Emp3 ORDER BY HireDate;

ENAME HIREDATE---------- ---------SMITH 17-DEC-80ALLEN 20-FEB-81

WARD 22-FEB-81JONES 02-APR-81BLAKE 01-MAY-81CLARK 09-JUN-81TURNER 08-SEP-81MARTIN 28-SEP-81KING 17-NOV-81JAMES 03-DEC-81FORD 03-DEC-81


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ENAME HIREDATE---------- ---------MILLER 23-JAN-82SCOTT 09-DEC-82ADAMS 12-JAN-83

14 rows selected.

SQL> cl scr

SQL> SELECT TO_CHAR(HireDate, 'YYYY') HireYear2 FROm Emp3 GROUP BY TO_CHAR(HireDate, 'YYYY');

HIRE----1980198119821983


1 SELECT TO_CHAR(HireDate, 'Month') HireYear2 FROm Emp3* GROUP BY TO_CHAR(HireDate, 'Month')

SQL> /

HIREYEAR---------AprilDecemberFebruaryJanuaryJuneMay

NovemberSeptember

8 rows selected.


1 SELECT TO_CHAR(HireDate, 'Month') HireYear2 FROm Emp3 WHERE TO_CHAR(HireDate, 'YYYY') = 19814* GROUP BY TO_CHAR(HireDate, 'Month')

SQL> /

HIREYEAR---------AprilDecemberFebruaryJuneMayNovemberSeptember


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7 rows selected.

SQL> cl scr


1 SELECT2 TO_CHAR(HireDate, 'YYYY') Year,3 TO_CHAR(HireDate, 'Q') Quarter,4 TO_CHAR(HireDate, 'Month') Month,5 TO_CHAR(HireDate, 'W') Week,6 TO_CHAR(HireDate, 'Day') WeekDay7 FROm Emp8 GROUP BY9 TO_CHAR(HireDate, 'YYYY'),

10 TO_CHAR(HireDate, 'Q'),11 TO_CHAR(HireDate, 'Month'),12 TO_CHAR(HireDate, 'W'),13* TO_CHAR(HireDate, 'Day')SQL> /

YEAR Q MONTH W WEEKDAY

---- - --------- - ---------1980 4 December 3 Wednesday1981 1 February 3 Friday1981 1 February 4 Sunday1981 2 April 1 Thursday1981 2 June 2 Tuesday1981 2 May 1 Friday1981 3 September 2 Tuesday1981 3 September 4 Monday1981 4 December 1 Thursday1981 4 November 3 Tuesday1982 1 January 4 Saturday

YEAR Q MONTH W WEEKDAY---- - --------- - ---------1982 4 December 2 Thursday1983 1 January 2 Wednesday

13 rows selected.

SQL> cl scr

SQL> SELECT Deptno, AVG(Sal)2 FROM Emp;

SELECT Deptno, AVG(Sal)*

ERROR at line 1:ORA-00937: not a single-group group function


1 SELECT Deptno, AVG(Sal)2 FROM Emp3* GROUP BY Deptno


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SQL> /

DEPTNO AVG(SAL)---------- ----------

10 2916.6666720 217530 1566.66667


1 SELECT Job, AVG(Sal)2 FROM Emp3* GROUP BY Job

SQL> /

JOB AVG(SAL)--------- ----------ANALYST 3000CLERK 1037.5MANAGER 2758.33333PRESIDENT 5000SALESMAN 1400


1 SELECT2 TO_CHAR(HireDate, 'YYYY') Year,3 AVG(Sal)4 FROM Emp5* GROUP BY TO_CHAR(HireDate, 'YYYY')

SQL> /

YEAR AVG(SAL)---- ----------1980 800

1981 2282.51982 21501983 1100


1 SELECT2 TO_CHAR(HireDate, 'YYYY') Year,3 SUM(Sal)4 FROM Emp5* GROUP BY TO_CHAR(HireDate, 'YYYY')

SQL> /

YEAR SUM(SAL)---- ----------1980 8001981 228251982 43001983 1100

SQL> cl scr


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SQL> SELECT Deptno, MAX(Sal), MIN(Sal)2 FROM Emp3 GROUP BY Deptno;

DEPTNO MAX(SAL) MIN(SAL)---------- ---------- ----------

10 5000 130020 3000 80030 2850 950


1 SELECT Deptno, SUM(Sal), AVG(Sal)2 FROM Emp3* GROUP BY Deptno

SQL> /

DEPTNO SUM(SAL) AVG(SAL)---------- ---------- ----------

10 8750 2916.6666720 10875 217530 9400 1566.66667


1 SELECT Deptno, Job, SUM(Sal)2 FROM Emp3* GROUP BY Deptno, Job

SQL> /

DEPTNO JOB SUM(SAL)---------- --------- ----------

10 CLERK 130010 MANAGER 245010 PRESIDENT 5000

20 CLERK 190020 ANALYST 600020 MANAGER 297530 CLERK 95030 MANAGER 285030 SALESMAN 5600

9 rows selected.


1 SELECT Deptno, Job, COUNT(*), SUM(Sal)

2 FROM Emp3* GROUP BY Deptno, Job

SQL> /

DEPTNO JOB COUNT(*) SUM(SAL)---------- --------- ---------- ----------

10 CLERK 1 130010 MANAGER 1 245010 PRESIDENT 1 500020 CLERK 2 1900


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20 ANALYST 2 600020 MANAGER 1 297530 CLERK 1 95030 MANAGER 1 285030 SALESMAN 4 5600

9 rows selected.

SQL> cl scr

SQL> SELECT2 TO_CHAR(HireDate, 'YYYY') Year,3 Deptno,4 SUM(Sal)5 FROM Emp6 GROUP BY7 TO_CHAR(HireDate, 'YYYY'),8 Deptno;

YEAR DEPTNO SUM(SAL)---- ---------- ----------1980 20 8001981 10 74501981 20 5975

1981 30 94001982 10 13001982 20 30001983 20 1100

7 rows selected.


1 SELECT2 Deptno,3 TO_CHAR(HireDate, 'YYYY') Year,

4 TO_CHAR(HireDate, 'FMMonth') Month,5 SUM(Sal)6 FROM Emp7 GROUP BY8 Deptno,9 TO_CHAR(HireDate, 'YYYY'),

10* TO_CHAR(HireDate, 'FMMonth')11 /

DEPTNO YEAR MONTH SUM(SAL)---------- ---- --------- ----------

10 1981 June 245010 1981 November 5000

10 1982 January 130020 1980 December 80020 1981 April 297520 1981 December 300020 1982 December 300020 1983 January 110030 1981 May 285030 1981 December 95030 1981 February 2850


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DEPTNO YEAR MONTH SUM(SAL)---------- ---- --------- ----------

30 1981 September 2750

12 rows selected.

SQL> cl scr

SQL> SELECT Deptno, MAX(Sal), MIN(Sal)2 FROM Emp3 WHERE Job = 'CLERK'4 GROUP BY Deptno;

DEPTNO MAX(SAL) MIN(SAL)---------- ---------- ----------

10 1300 130020 1100 80030 950 950

SQL> cl scr

SQL> SELECT2 Deptno,3 AVG(Sal)

4 FROM Emp5 GROUP BY Deptno6 HAVING MAX(Sal) > 2900;

DEPTNO AVG(SAL)---------- ----------

10 2916.6666720 2175

SQL> SELECT2 Deptno3 FROM Emp4 /

DEPTNO----------

10301020303030303020

20

DEPTNO----------

202010

14 rows selected.


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SQL> SELECT2 Deptno3 FROM Emp4 GROUP BY Deptno5 /

DEPTNO----------

102030

SQL> SELECT2 Deptno,3 AVG(Sal)4 FROM Emp5 GROUP BY Deptno6 /

DEPTNO AVG(SAL)---------- ----------

10 2916.6666720 217530 1566.66667

SQL> SELECT Deptno, MAX(Sal)2 FROM Emp3 GROUP BY Deptno;

DEPTNO MAX(SAL)---------- ----------

10 500020 300030 2850

SQL> SELECT2 Deptno,

3 AVG(Sal)4 FROM Emp5 GROUP BY Deptno6 HAVING MAX(Sal) > 2900;

DEPTNO AVG(SAL)---------- ----------

10 2916.6666720 2175

SQL> cl scr

SQL> SELECT

2 Job,3 SUM(Sal) Payroll4 FROM Emp5 WHERE Job NOT LIKE 'SALES%'6 GROUP BY Job7 HAVING SUM(Sal) > 50008 ORDER BY SUM(Sal);

JOB PAYROLL--------- ----------


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ANALYST 6000MANAGER 8275

SQL> SELECT2 Job3 FROM Emp4 /

JOB---------PRESIDENTMANAGERMANAGERMANAGERSALESMANSALESMANSALESMANCLERKSALESMANANALYSTCLERK

JOB---------

ANALYSTCLERKCLERK

14 rows selected.

SQL> SELECT2 Job3 FROM Emp4 WHERE Job NOT LIKE 'SALES%'5 /

JOB

---------PRESIDENTMANAGERMANAGERMANAGERCLERKANALYSTCLERKANALYSTCLERKCLERK

10 rows selected.

SQL> SELECT2 Job3 FROM Emp4 WHERE Job NOT LIKE 'SALES%'5 GROUP BY Job6 /

JOB---------


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ANALYSTCLERKMANAGERPRESIDENT

SQL> SELECT2 Job,3 SUM(Sal) Payroll4 FROM Emp5 WHERE Job NOT LIKE 'SALES%'6 GROUP BY Job7 /

JOB PAYROLL--------- ----------ANALYST 6000CLERK 4150MANAGER 8275PRESIDENT 5000

SQL> cl scr


3 MIN(Sal),4 MAX(Sal)5 FROM Emp6 WHERE Job = 'CLERK'7 GROUP BY Deptno8 HAVING MIN(Sal) < 1000;

DEPTNO MIN(SAL) MAX(SAL)---------- ---------- ----------

20 800 110030 950 950

SQL> SELECT

2 Deptno,3 SUM(Sal)4 FROM Emp5 GROUP BY Deptno6 HAVING COUNT(Deptno) > 3;

DEPTNO SUM(SAL)---------- ----------

20 1087530 9400


3 AVG(Sal),4 SUM(Sal)5 FROM Emp6 GROUP BY Deptno7 HAVING AVG (Sal) > 2500;

DEPTNO AVG(SAL) SUM(SAL)---------- ---------- ----------

10 2916.66667 8750


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SQL> SELECT2 Deptno,3 AVG(Sal),4 SUM(Sal)5 FROM Emp6 GROUP BY Deptno;

DEPTNO AVG(SAL) SUM(SAL)---------- ---------- ----------

10 2916.66667 875020 2175 1087530 1566.66667 9400

SQL> SELECT2 Deptno,3 Job,4 SUM(Sal),5 AVG(Sal)6 FROM Emp7 GROUP BY Deptno, Job8 HAVING AVG(Sal) > 2500;

DEPTNO JOB SUM(SAL) AVG(SAL)---------- --------- ---------- ----------

10 PRESIDENT 5000 500020 ANALYST 6000 300020 MANAGER 2975 297530 MANAGER 2850 2850


1 SELECT2 Deptno,3 Job,4 SUM(Sal),5 AVG(Sal)

6 FROM Emp7 GROUP BY Deptno, Job8* HAVING AVG(Sal) > 2500 AND SUM(Sal) > 2975

SQL> /

DEPTNO JOB SUM(SAL) AVG(SAL)---------- --------- ---------- ----------

10 PRESIDENT 5000 500020 ANALYST 6000 3000

SQL> spool off

Common SQL Queries (2)

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