SQL GROUP By and the "Column 'name' is invalid in the select list ...
Jan 1, 2016 · You can only list columns which are in the GROUP BY list, or in a function which returns a single value for a range of rows - called an "Aggregate function" because it …
SQL Queries to Manage Hierarchical or Parent-child ... - CodeProject
Sep 16, 2014 · Download source - 35.7 KB Introduction Here, in this post, we will try to manage data with hierarchical relation or parent-child relation of a specific table in SQL server. Our …
Execute SQL Query on Mutiple SQL Servers or Databases
Jun 3, 2015 · In this blog we would learn how to execute a SQL Query on multiple databases of single DB Server or on a single Database on multiple DB Servers.
Making OUTER and CROSS APPLY work for you - CodeProject
Jun 16, 2013 · OUTER and CROSS APPLY are unique to SQL Server so this article is intended for anybody using SQL in a SQL Server environment. It will also cover many examples of …
Simplifying Dynamic SQL Queries with Dapper - CodeProject
A look at a simple SQL builder for DapperTuxCare’s Annual Open Source Survey is here! Share your opinions and help inform our yearly report. → Start Survey
SQL Window Functions - CodeProject
Mar 7, 2022 · SQL Window Functions Overview SQL OVER Clause As we mentioned before, it is the OVER clause that makes an aggregate a SQL window function. Here you’ll see a simple …
Dynamic 'Sales by Week' Procedure in SQL Server - CodeProject
Sep 23, 2005 · Download SQL procedure and C# demo project - 19.8 Kb Introduction Presented in this article is an approach for creating a categorized “Sales by Week” report in SQL Server, …
Dynamically creating Excel File, ExcelSheets and ... - CodeProject
Dec 20, 2011 · This Generic DTSX package is basically to demonstrate a method of data migration to export SQL Server database tables to Excel file with multiple sheets. After reading …
Understanding Complex MySQL JOIN - CodeProject
Nov 20, 2013 · Download sql_join.zip - 2.5 KB Introduction The purpose of this article is to show the power of MySQL JOIN operations, Nested MySQL Queries (intermediate or temporary …
Configuring SQL for High Availability in Terraform - CodeProject
May 25, 2020 · SQL is a prevelant and common data store, it’s everywhere you look. Given that, many shops are implementing infrastructure-as-code to manage configuration drift and provide …