Many people have used a "Numbers" or "Tally" table without really knowing what it does. This is an introduction as to how a Tally table replaces a loop.
2022-09-05 (first published: 2008-05-07)
155,964 reads
A generic way of exporting, deleting and loading data, for database development work. It uses Flyway Teams, a PowerShell framework, JSON files for storage and a table manifest to define the correct order of dependency for each task. It should help a team maintain datasets between database versions, as well as to switch between the datasets required to support different types of testing.
2022-09-05
Learn about various SQL Server system functions to return meta data from SQL Server such as SERVERPROPERTY, DATABASEPROPERTYEX, DB_NAME, DB_ID, FILE_NAME, FILE_ID, FILE_IDEX, SCHEMA_NAME, SCHEMA_ID, OBJECT_NAME, OBJECT_ID and STATS_DATE.
2022-09-05
In this article, we look at the SQL Server WAITFOR command to allow delays in processing either for a specified time or a set amount of time.
2022-09-02
Dependency information will allow you to avoid errors during a database build or tear-down, by ensuring you create or remove objects in the right order. It will also help you to avoid future 'invalid object' errors, because it will allow you to check that no database alterations have introduced broken references, during Flyway migrations.
2022-09-02
SQL Server 2022 is in preview in August 2022. I assume this version will be released later this year, and I have been testing it with the idea that I will be looking at an upgrade sometime in the next year for a few servers. There are a lot of changes in the database platform, […]
2022-08-31
27,450 reads
Hi Brent, What is your take on Hugo Kornelis’s explanation of execution plan naming. As her his explanation, estimated exec plan is simply an execution plan whereas actual execution plan = execution plan+run-time stats. Do you agree that the naming is flawed and confusing? – Yourbiggestfan
2022-08-31
Learn how to find all securable objects in SQL Server and the permissions for each securable object using the system function fn_builtin_permissions.
2022-08-31
Learn how to use the DatabasePropertyEX() function to query your database for settings.
2022-08-29
2,179 reads
Performance tests are central to the quality of the database changes we deliver because they ensure that any business process that accesses the database continues to return its results in an acceptable time. When Flyway creates a new version of the database, it is the ideal time to run these performance checks.
2022-08-29
By Chris Yates
For decades, enterprises have approached data management with the same mindset as someone stuffing...
Truncate Table Pitfalls Truncating a table can be gloriously fast—and spectacularly dangerous when used carelessly....
You can find all the session materials for the presentation “Indexing for Dummies” that...
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Hi, our peer who owns a remote mysql server from which we extract warehouse...
What is returned as a result set when I run this command without a new seed value?
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