Oracle PL/SQL/Numeric Math Functions/SIN
Версия от 13:45, 26 мая 2010; (обсуждение)
SIN(0)
SQL> -- SIN(x):Returns the sine of x.
SQL>
SQL> select SIN(0) from dual;
SIN(0)
----------
0
SQL>
SIN(30*3.14159ANH(EXP(4) LOG(LN(32)
SQL>
SQL>
SQL> select sin(30*3.14159265/180), tanh(0.5)
2 , exp(4), log(2,32), ln(32)
3 from dual;
SIN(30*3.14159265/180) TANH(0.5) EXP(4) LOG(2,32) LN(32)
---------------------- ---------- ---------- ---------- ----------
.499999999 .462117157 54.59815 5 3.4657359
SQL>
SIN: Returns the sine of a value
SQL>
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> --SIN: Returns the sine of a value
SQL>
SQL> SELECT SIN(MyNumber*2*3.1416/360) FROM TestTable;
SIN(MYNUMBER*2*3.1416/360)
--------------------------
.209960344
-.20996034
.376225099
-.03699262
.036643794
SQL>
SQL> drop table TestTable;
Table dropped.
SQL>
SQL>