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I have a such statement: SELECT MIN(ROWNUM) FROM my_table GROUP BY NAME HAVING COUNT(NAME) > 1… Read more Oracle: Why I Cannot Rely On Rownum In A Delete Clause

There are two tables 1 and 2 with columns: Id: unique ; timestamp:long; money:double SOME RECORDS … Read more Non-trivial Merge Of Two Tables

I need to use a select in the from clause but I keep getting an Cartesian product. select customer… Read more Cartesian Products And Selects In The From Clause

I'm trying to update old customers data with new data, so basically I'm updating firstname … Read more Performance Issue When Updating Table From Another Table

I have searched others' code and tried to customize in my case, but it seemed when the question… Read more Use Top Or Rank When Finding The First Few Or The Most Observations

For my project, I implemented linked list with rdbms. The linked list uses rowid column as a pointe… Read more Retrieving Entries Of Linked List In Relational Database

I tried to read about not a group by expression errors from some other posts, but all of them menti… Read more Really Simple Sql Not A Group By Expression - Oracle

Hi I am trying to simply get the count of data in source table. CREATE OR REPLACE PROCEDURE MOVE_C… Read more Unable To Run Dynamic Query In Stored Procedure While Selecting Count Of Records