SQL Distinct on one column only | Oscar Valles
Oracle Distinct | Oracle Distinct Clause By Microsoft Awarded MVP - oracle tutorial - Learn in 30sec | wikitechy - sql tutorial
SQL Performance: SELECT DISTINCT versus GROUP BY - Stack Overflow
2. Tutorial Base Datos - Oracle: Select, distinct, order by - YouTube
Oracle SELECT DISTINCT By Practical Examples
oracle - How to SUM multiple distinct values and get max value in SQL - Stack Overflow
How To Replace Distinct In Oracle - Inoracle
SQL SELECT with DISTINCT on multiple columns - w3resource
PL/SQL | DEV EPM
Oracle SELECT DISTINCT By Practical Examples
database - "NUM DISTINCT" in Oracle Column Properties - Stack Overflow
SQL SELECT DISTINCT | How Does SELECT DISTINCT Work in SQL?
1Z0-061 Oracle SQL – get through 1Z0-061 exam
SQL Aggregate Functions in SQL Server, Oracle and PostgreSQL
Oracle Distinct | Oracle Distinct Clause By Microsoft Awarded MVP - oracle tutorial - Learn in 30sec | wikitechy - sql tutorial
Transformations
How To Use SQL DISTINCT Statement With Multiple Columns | RebellionRider
hint 'leading' 'ordered' issue when using 'count(distinct xxx)' - Oracle Forums
