Half Of You Don’t Understand Variables and Transactions.
Do table variables and variables respect transactions? If we set the value of a variable during a transaction, and we roll it back, what happens?
2020-09-09
T-SQL
Creating and Using Inline Table-Valued Functions
Inline Table Valued Functions (iTVFs) are one type of user defined function that is available to implement in SQL Server since SQL Server 2000.
iTVFs remain a very useful tool in our SQL armoury, so let's quickly revisit them and the different ways we can use them in our code.
2020-10-07 (first published: 2020-09-08)
44,482 reads
Database Modeling - Relationships
A proper relationship between two people, places or things improves the communication between them. In every real-world based application, this logic holds and a database is no different. This article discusses the different relationship types possible between database objects. The designing of these relationships between them is called modeling, and the three types of relationships […]
2020-08-31
7,562 reads
Compare Artificial Intelligence Models Built with T-SQL
This tip looks at using artificial intelligence models with SQL Server to predict outcomes.
2020-08-21
SSIS Variable and Parameter Analysis
Use T-SQL to analyse the usage of all variables and parameters in an SSIS project, including the identification of any unused variables and parameters.
2020-06-23
8,411 reads
Always on AG Dashboard report
This script can be used to generate Dashboard report for Always-on AG databases. Script can be placed in SQL Agent to generate report.
2020-05-22 (first published: 2020-05-12)
3,146 reads
Delete Data from SQL Server Table in Batches
In this tip we cover a T-SQL script that allows you to batch delete older data from tables and save the deleted records to an archive table.
2020-03-31
Tagging SQL Server Changes in SQL Monitor
How to use RAISERROR() in T-SQL to send annotations to SQL Monitor, so you can observe the direct impact of application tasks, or server changes, on the SQL Server metrics.
2020-03-30
Implementing Date Calculations in SQL
This article explains a way to use labels (last year, YTD, etc.) for report parameters.
2020-03-05
6,863 reads
Introduction to STRING_SPLIT function in SQL
This article explains the T-SQL function STRING_SPLIT() and demonstrates a creative use for it.
2020-03-02
10,469 reads
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Forums
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What is the difference between SQL Server and SQL Database?
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An Unusual Identity
Comments posted to this topic are about the item An Unusual Identity
Question of the Day
An Unusual Identity
What values are returned when I run this code?
CREATE TABLE dbo.IdentityTest2
(
id NUMERIC(10,0) IDENTITY(10,10) PRIMARY KEY,
somevalue VARCHAR(20)
)
GO
INSERT dbo.IdentityTest2
(
somevalue
)
VALUES
( 'Steve')
, ('Bill')
GO
SELECT top 10
id
FROM dbo.IdentityTest2 See possible answers