Posted by
Andy Brown
on 17 December 2012
Views are queries that you can save and reuse; but you can also use them as a basis for further queries. They do have their foibles too, as this blog explores.
Posted by
Andy Brown
on 14 December 2012
If you want to average, count, sum or perform any other statistic on values in SQL, you need to learn the GROUP BY and HAVING parts of a SQL statement. That's where this online tutorial comes in!
Posted by
Andy Brown
on 11 December 2012
You can use SQL to do everything from simple arithmetic through to complicated functions - this blog gives you the low-down!
Posted by
Andy Brown
on 10 December 2012
This short blog explains how you can create calculated formulae for fields in an SQL table (known as "computed columns").
Posted by
Andy Brown
on 30 November 2012
An in-depth SQL tutorial on how to create inner joins, left outer joins, right outer joins, full outer joins, cross joins and self-joins!
Posted by
Andy Brown
on 19 November 2012
A guide to how to create databases in SQL Server Management Studio, including creating tables, indexing columns and using database diagrams to create relationships between tables.
Posted by
Andy Brown
on 08 November 2012
If you don't want to see a full set of records from a table in SQL, you can use a WHERE statement to filter out unwanted rows, as shown in this blog.
Posted by
Andy Brown
on 12 October 2012
There are various ways to insert data into new or existing tables in T-SQL - this blog gives examples of each.
Posted by
Andy Brown
on 05 October 2012
SQL doesn’t just select data; you can also use it to create tables and link them together with relationships. This blog shows you how!
Posted by
Andy Brown
on 05 October 2012
Whether you're creating tables in SQL Server, using SQL variables or passing parameters to stored procedures, you'll need to understand what the possible data types that you can use are.
Posted by
Andrew Gould
on 23 July 2012
If your SQL queries return lots of records you'll probably want to sort the results in some kind of order. This blog teaches you how to use the ORDER BY clause to do exactly that!
Posted by
Andrew Gould
on 23 July 2012
This blog teaches the absolute basics of writing queries in Microsoft SQL Server Management Studio. You'll learn how to use the SELECT and FROM keywords to create simple queries showing all of the records from a single table.
Posted by
Andy Brown
on 24 May 2012
Stored procedures are programs in SQL which allow you to pass parameters to queries and manipulate sets of rows in tables. Find out how to write them with this online training blog!
Posted by
Andrew Gould
on 30 April 2012
Before you get into writing SQL Queries you should take some time to familiarise yourself with the application in which you'll be spending most of your time. This blog shows you the basics of SQL Server Management Studio.
Posted by
Andy Brown
on 07 July 2023
Designing relational databases is easy once you learn the few basic rules, and the procedure is identical whether you're using SQL Server or Access. This blog illuminates the subject!
Posted by
Andrew Gould
on 16 February 2012
A common requirement in SQL queries is calculating a person's age. The expression you need to do this accurately is relatively long, so why not replace it with a user-defined function? This blog shows you how!
Posted by
Andrew Gould
on 16 February 2012
If you've spent time in the SQL Server Management Studio application you'll probably have noticed that it's not the most user-friendly environment for writing SQL queries. This blog explains how to change a few settings to make your query writing just a little easier.
Posted by
Andrew Gould
on 13 February 2012
This article provides a comprehensive tutorial in Microsoft SQL Server, taking you from the basics of writing SELECT statements all the way through to creating complex stored procedures.
Posted by
Andrew Gould
on 13 February 2012
Dates and times can be the most frustrating data types to work with in SQL Server. Learn everything you need to know about the way dates work with this handy blog series and enjoy happier times!
Posted by
Andy Brown
on 20 October 2011
This blog gives training on writing CTEs in SQL, or Common Table Expressions to give them their full title. The blog also includes a section on creating recursive CTEs.