SQL Server supports a number of different logical operators. These operators can be used for testing Boolean conditions that return true, false and unknown in your T-SQL code. Logical operators are useful for defining constraints to limit the rows be processed when selecting or updating data. This chapter will provide an overview of the logical […]
2022-04-20 (first published: 2020-10-09)
3,762 reads
Code Tuning | Data Comparison | T-SQL Samples - In this tip we look at a simple way to compare the output from two different queries that are supposed to provide the same output to make sure the query results are exactly the same for both.
2019-11-11
Phil Factor demonstrates how using XML argfiles to pass parameters to SQL Compare cuts out a lot of the tedious scripting involved in modifying a database schema comparison and deployment process, as required for each target database.
2019-10-28
How do you compare two SQL tables? Every SQL Developer or DBA knows the answer, which is 'it depends'. It is not just the size of the table or the type of data in it but what you want to achieve. Phil Factor sets about to cover the basics and point out some snags and advantages to the various techniques.
2014-06-10
5,867 reads
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By default, how often is the SQL Server Database Engine checking for deadlocks?
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