POWER: Returns value raised to some exponential power

 


SQL>
SQL> -- create demo table
SQL> create table TestTable(
  2    ID                 VARCHAR2(4 BYTE)         NOT NULL,
  3    MyName             VARCHAR2(10 BYTE),
  4    MyDate             DATE,
  5    MyNumber           Number(8,2)
  6  )
  7  /

Table created.

SQL>
SQL>
SQL> insert into TestTable (ID, MyName, MyDate, MyNumber) values('1','Alison',to_date('19960711','YYYYMMDD'),12.12);

1 row created.

SQL> insert into TestTable (ID, MyName, MyDate, MyNumber) values('1','Alison',to_date('19970622','YYYYMMDD'),-12.12);

1 row created.

SQL> insert into TestTable (ID, MyName, MyDate, MyNumber) values('1','Alison',to_date('19980513','YYYYMMDD'),22.1);

1 row created.

SQL> insert into TestTable (ID, MyName, MyDate, MyNumber) values('1','Alison',to_date('19990624','YYYYMMDD'),-2.12);

1 row created.

SQL> insert into TestTable (ID, MyName, MyDate, MyNumber) values('1','Alison',to_date('20000415','YYYYMMDD'),2.1);

1 row created.

SQL>
SQL>
SQL> select * from TestTable
  2
SQL>
SQL> --POWER: Returns value raised to some exponential power
SQL>
SQL>
SQL> SELECT POWER(MyNumber,2) FROM TestTable;

POWER(MYNUMBER,2)
-----------------
         146.8944
         146.8944
           488.41
           4.4944
             4.41

SQL>
SQL> drop table TestTable;

Table dropped.

SQL>

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1.	POWER(x, y): Returns the result of x raised to the power y
2.	POWER(2, 3)
3.	POWER(100,0.5): square root
4.	select power( -5, 3 ) "Using Negatives"
5.	select power( 5.2, 2.7 ) "With Reals"
6.	POWER(2,3) POWER(-2,3) MOD(8,3) MOD(13,0)

POWER: Returns value raised to some exponential power : POWER « Numeric Math Functions « Oracle PL / SQL

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