Oracle PL/SQL Tutorial/Numerical Math Functions/TAN
Using the TAN function to find the tangent of 30 degrees
<source lang="sql">
SQL> SQL> -- create demo table SQL> create table myTable(
2 value1 NUMBER(3), 3 value2 NUMBER(3), 4 value3 NUMBER(3) 5 ) 6 /
Table created. SQL> SQL> -- prepare data SQL> insert into myTable(value1,value2, value3) values (30,60,90)
2 /
1 row created. SQL> select * from myTable
2 / VALUE1 VALUE2 VALUE3
---------- ----------
30 60 90
SQL> SQL> SELECT TAN(value1*2*3.1416/360)FROM myTable
2 /
TAN(VALUE1*2*3.1416/360)
.577351902
SQL> SQL> SQL> SQL> -- clean the table SQL> drop table myTable
2 /
Table dropped.</source>