CTE Problem Redux

CTE DML

This script is an example explaining how to write DML using CTE.

Cursor-Killing: Accessing Data in the Next Row

Cursors are considered by many to be the bane of good T-SQL. What are the best ways to avoid iterative T-SQL and to write queries that look and perform beautifully? This first part in an ongoing series of cursor-killing handles inter-row analysis.

Duplicate Detection and Management

Inevitably, every DBA is eventually asked to delete, merge, or otherwise report on duplicate data. There are many tools at our disposal to make this task both simple and efficient to complete. Read on for simple steps and examples to effectively deal with duplicate data.

Standard Deviations with CTE in SQL

I was working with a client recently getting the number of standard deviations a student was off the average number...

Nesting Levels in SQL

The 'Structured' part of SQL denotes the fact that queries can be nested inside each other in such a way that, wherever you can use a table, you can use a table expression. Such derived tables can provide powerful magic, to which is added CTEs and Lateral Tables.

CTE

Sales Report on a View

Sales Report based on a single view

Virtual tally table function

An inline table-valued function (iTVF) that will produce a virtual tally table on-the-fly. The function creates a tally table of any size with user-defined lower and upper bounds.

Generate N numbers

Reursive CTE Script to generate n numbers