Oct 28, 2016 · 30 It is the SQL extension called analytics. The "over" in the select statement tells oracle that the function is a analytical function, not a group by function.

Jul 5, 2011 · I want to use Oracle SQL Developer to generate an ER diagram for my DB tables but I am new to Oracle and this tool. What is the process for creating an ER diagram in SQL …

I have created an AFTER INSERT, UPDATE, DELETE trigger in SQL Server in database 1 on Payment table to check existence of Payment Id in database 2's Voucher table.

Aug 16, 2013 · Can anyone recommend a good ANSI SQL reference manual? I don't necessary mean a tutorial but a proper reference document to lookup when you need either a basic or …

The SQL OVER () clause - when and why is it useful? Asked 14 years, 5 months ago Modified 2 years, 6 months ago Viewed 383k times

The original answer I posted (retained below) will produce the mode (s) at the top of the table and requires the user to pick out the value (s) they need. This new solution works better in my …

May 15, 2023 · I've been using C# WinForms and SQL Server for a while now, but I'm not sure how to proceed with .NET MAUI. My goal is to perform some CRUD operations from an …

Do you know a good source to learn how to design SQL solutions? Beyond the basic language syntax, I'm looking for something to help me understand: What tables to build and how to link …

Jul 28, 2011 · I am trying to become more familiar with SQL by writing queries against the Northwind database. I am looking for some exercises that would help me to learn SQL and …

Jun 29, 2013 · I have a basic understanding of databasing with MS SQL Server, and programming with C++ and C#. I'm trying to teach myself more by setting up my own database …