Oracle HASH

SQL> select ora_hash('abc') from dual;
 * ORA_HASH

ORA_HASH('ABC') ---    1194017796

In PL/SQL
 * dbms_crypto.hash

dbms_crypto.hash('abc', DBMS_CRYPTO.hash_sh1)

Or in SQL SQL> select dbms_crypto.hash('abc', 3) from dual 2 ;

DBMS_CRYPTO.HASH('ABC',3)

C714CC5367F7592793BBA0B9024C34CDE763E153

The argument is based on HASH_MD4 CONSTANT PLS_INTEGER := 1;

HASH_MD5 CONSTANT PLS_INTEGER := 2;

HASH_SH1 CONSTANT PLS_INTEGER := 3;