Basically unique and distinct both are same means both do the same work , unique statement was used earlier by the oracle database but now a days distinct statement is using by the oracle ( now it is ...

The `SELECT DISTINCT` statement in SQL is used to retrieve only unique (distinct) values from a column or combination of columns in a table. This is useful when a column contains duplicate values, and ...

Bug Report SQL SELECT DISTINCT col as col, count(*) from table_name group by col should has the same result with SQL SELECT col, count(*) from table_name group by col. But the former loses data. Which ...