SQL/T-SQL - 2015

In case you need to handle IP addresses in SQL, they are not much useful as string values. To do anything with them rather then just storing and retrieving (checking the ranges for example) you need to split IP address to segments (octets). The following is modified method I run into online. ...read more

Probably the most common error developers make in queries is dealing with date ranges and most of the time it is because of missing the minimum and maximum time of the specific date. Month ...read more

In case your data in tables needs to have unique constraint based on more than one value in the row, the proper solution for that would be a composite key. ...read more

Nowadays, in the years of ORM, barely anyone thinks about stored procedures, but they are still there and accessing and reading data with ADO and SqlDataReader ist still the fastest way. Stored procedures are validated, parsed and compiled in SQL server, so these steps are not required to be performed versus plaint text query (which is what entity framework generates for accessing data). ...read more

Passing complex data to and from stored procedures has always been a tricky one. The most elegant way to pass values to a stored procedure is to use predefined data types in SQL Server...read more

When working on an app you create all your stored procedures, functions, tables, view and other objects in a development database (or t least it should be like that). A small but annoying problem occurs when you have to migrate your stored procedures to test or production database. Imagine during development you had let's say 20 stored procedures...read more