Unique Data in Oracle SELECT DISTINCT Example

How To SELECT Unique Data DISTINCT Oracle Database Tutorial Example

Run Query Editor then copy & paste the below code to SELECT unique data using DISTINCT keyword from a table in Oracle Database Server Tutorial Example

   -- CONNECT AS HR
   -- Let's view how many unique SALARY data in HR.EMPLOYEES table

   SELECT DISTINCT SALARY FROM EMPLOYEES;

      -- That's it!! DISTINCT(Unique) SALARY data have been selected in oracle database
      -- is comment in Oracle
      -- in fact it is comment in MSSQL and MySQL as well
   

How To SELECT Unique Data DISTINCT Oracle Database Tutorial Example - Result in Query Editor Client Tools