Lab Sql

My query is quite simple: select a.ID, a.adres, a.place, a.postalcode from COMPANIES a, COMPAN… Read more Comparison Query Taking Ages

I asked this question before here, but the answer actually wasn't what I was looking for. Suppo… Read more Sql Server - Compare 2 Tables For Data In The Same Columns Without Checking For Equality

I'd appreciate any pointers on how in SQL to check whether elements in one list also appear in … Read more Sql Check One List Against Another

I am stuck with a problem here. I am trying to compare items in a list to another list with much mo… Read more Checking If All The Items In List Occur In Another List Using Linq

first take, kludge solution, sentinel approach(it's imperative that your program should not all… Read more Sql Equality/inequality Comparison With Nullable Values