Different ways to Convert a SQL INT Value into a String Value
I need to convert an integer to a string value, what options are available in Microsoft SQL Server with T-SQL scripts and stored procedures?
2023-09-22
tSQLt
SQL Unit Testing reference guide for beginners
In this article, we are going to learn the basics of SQL unit testing and how to write a SQL unit test through the tSQLt framework.
2024-01-09 (first published: 2023-09-08)
REPLACE versus TRANSLATE for SQL Server Text Data Manipulation
Learn how to replace text in SQL Server strings using the REPLACE and TRANSLATE functions and how these could be used for data manipulation.
2023-05-19
SQL Server .WRITE() Function to Update VARCHAR(MAX), NVARCHAR(MAX) and VARBINARY(MAX) Data Types
Learn about the SQL Server .WRITE function along with how to use this to update data in VARCHAR(MAX), NVARCHAR(MAX), and VARBINARY(MAX) data types.
2023-03-17
SELECT DISTINCT SQL Command to Return a Unique List of Values
Learn about the SELECT DISTINCT SQL command to return a unique list of values from SELECT queries along with several examples.
2023-03-10
Build Conditional Logic - SQL IF, BEGIN, END, ELSE, ELSEIF
Learn how to build conditional logic when writing SQL code using IF, BEGIN, END, ELSE, and ELSEIF logic.
2022-10-07
How to Build a Data Science Time Series Model with SQL Server
https://www.mssqltips.com/sqlservertip/7385/data-science-time-series-model-building-framework-sql-server/
2022-09-30
Optimize Large SQL Server Insert, Update and Delete Processes by Using Batches
In this tip we look at the impact of running SQL Server processes in smaller batches instead of one large operation.
2022-09-23
INSERT EXEC statement cannot be nested, the Simple Solution
Step-by-step guide to solve the "INSERT EXEC cannot be nested" problem by using a CLR when unit testing stored procedures using the tSQLt framework.
2022-08-19
34,254 reads
Using tsqlt Tests to Practice Queries
In this short article, see how a unit test can be easily written in tsqlt, and how this can help us refactor or build better code.
2022-05-30 (first published: 2019-09-24)
15,404 reads
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Question of the Day
The LAGging NULL
I have this data in a SQL Server 2022 table:
player yearid team HR Alex Rodriguez 2012 NYY 18 Alex Rodriguez 2013 NYY 7 Alex Rodriguez 2014 NYY NULL Alex Rodriguez 2015 NYY 12 Alex Rodriguez 2016 NYY 9If I run this code, what are the results returned in the hrgrowth column?
SELECT player , yearid , hr , hr - LAG (hr, 1, 0) IGNORE NULLS OVER (ORDER BY yearid) AS hrgrowth FROM dbo.playerstats;See possible answers