SQL Server Common Table Expressions CTE
Common table expressions (CTEs) are another kind of table expression that like derived tables are visible only to […]
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SQL Server Create Table
You can create a table using the SSMS GUI, or you can use T-SQL code. This post describes […]
LibreOffice Draw
This post, LibreOffice Draw, includes a PDF file that is a LibreOffice diagram saved as a PDF file. […]
SQL Server Summing Time
This post describes how you can sum a column with a data type of Time in SQL Server. […]
Excel Combine Worksheet Data
The objective for this post is to learn how to combine (merge) more than one Excel worksheet file […]
SQL Server Indexes
This post is a discussion of the basics of indexes in SQL Server. It is based partly on […]
SQL Server Ranking Window Functions
Ranking calculations are implemented in T-SQL as a window function. When you rank a value you do not […]
SQL Server COUNT
In T-SQL, COUNT returns the number of items in a group. COUNT works like the COUNT_BIG function. The […]
SQL Server Data Validation Part 3
3. Fruit Code and Fruit Variety Code – Case 1 This is a continuation of the post called […]
SQL Server Data Validation Part 2
2. Fruit Name and Fruit Code – Case 1 This post is a continuation of SQL Server Data […]
SQL Server Data Validation Introduction
This post is about validating data in a single table. We have gathered data from the Internet and […]
SQL Server Aggregate Window Functions
Aggregate window functions in SQL Server are similar to grouped functions (SUM, AVG and so on) except that […]