Auto-suggesting foreign keys and data model archaeology
If you can understand the data model then you can understand the intent of the application developers.
2018-07-06 (first published: 2016-01-26)
5,438 reads
Foreign Keys (FK)
2015-10-07
1,379 reads
Indexing Foreign Keys
Foreign Keys are one of the fundamental characteristics of relational databases and enforce the referential integrity. Is it a good idea to index a FK relationship? When can it help?
2016-09-16 (first published: 2015-06-29)
15,628 reads
2015-03-24
2,192 reads
2014-12-04 (first published: 2014-11-17)
1,413 reads
Drop and Re-Create All Foreign Key Constraints in SQL Server
Aaron Bertrand supplies a script which generates two separate sets of commands: one to drop all foreign key constraints, and one to create them again. These scripts are stored in a table so that, if you drop the constraints and then disaster of some kind strikes during the create, you still have everything handy and can troubleshoot if needed.
2014-10-17
8,457 reads
2014-05-20
1,779 reads
2014-04-14
2,253 reads
List Table Foreign Keys, Primary key and indexes
This procedure let you list [optional] by table:
-Foreign keys
-Primary key
-Indexes
2015-03-27 (first published: 2014-02-06)
4,003 reads
Get all the Child Tables up to N level
Get all the dependent tables for a master table up to N level(Till the leaf ) you can either find dependency or you can find all the child tables.
2021-04-14 (first published: 2013-09-04)
3,311 reads
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Question of the Day
The Funny SELECTs
What is returned from this query?
SELECT
( SELECT COUNT (*) FROM Sales.SalesOrderHeader AS soh
WHERE soh.OrderDate >= '01/01/2011' AND soh.OrderDate < '01/01/2012') AS OrdersIn2011
, ( SELECT COUNT (*) FROM Sales.SalesOrderHeader AS soh
WHERE soh.OrderDate >= '01/01/2012' AND soh.OrderDate < '01/01/2013') AS OrdersIn2012
, ( SELECT COUNT (*) FROM Sales.SalesOrderHeader AS soh
WHERE soh.OrderDate >= '01/01/2013' AND soh.OrderDate < '01/01/2014') AS OrdersIn2013; See possible answers