Usage of CTE - Trick with Dates
This article exlores the usage of CTEs as a replacement to cursors in order to generate additional data by applying logic to existing data.
2017-03-03 (first published: 2013-06-18)
37,775 reads
Suresh Maganti
- Interests: Query Tuning, Performance Tuning, Disaster Recovery, MS SQL Server 2005/2008, HA, DR.
Eliminating Duplicate Rows using The PARTITION BY clause
The Partition clause in the Row_Number() Over() function is a quick tool for eliminating duplicate rows.
2012-03-02 (first published: 2010-09-22)
144,074 reads
Dealing with Incomplete Data - A T-SQL Puzzle 1
Client data received for processing may have invalid records based on processing requirements. Identifying and dealing with bad records in a specific scenario is the object of this article.
2011-11-22
4,276 reads
The RECOMPILE Options
This artcle attempts to differentiate between the uses of WITH RECOMPILE and OPTION (RECOMPILE) features.
2011-07-07
8,570 reads
Improving Database Design and Performance Using Compression
This article attempts to show a practical scenario on improving DB design and performance through row density and compression in Microsoft SQL Server 2008.
2010-11-18
9,223 reads
Arriving at Database Growth Factor in SQL Server 2000
It is highly recommended that you not rely on system tables in your application as the values and meanings many change between versions. But for an experienced person that digs into the system often and needs quick answers, these system tables may be a great source of information. Suresh Maganti brings us his recent adventure in finding a reliable way to determine the growth factor of a database.
2005-12-06
11,345 reads
Microsoft SQL Server Migration Assistant
Are you looking to move your Oracle databases to SQL Server? You should be and when you convince your management to do so, Microsoft has a tool to help. New author Suresh Maganti of Scalability Experts brings us a look at how this works.
2005-11-28
17,656 reads
Blogs
T-SQL Tuesday #198–Change Detection
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This month we have a new host, Meagan Longoria, who graciously agreed to help...
Redgate and Rome
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I’m at the UK Redgate office today, meeting with senior leaders in all areas...
Quick Tip: Check Most DTU Expensive Queries in Azure SQL Database
Optimizing Azure SQL Database performance often begins with identifying the most resource-intensive queries. Understanding...
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Creating a JSON Document IV
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Restoring Azure Key Vault Keys and Validating SQL Server TDE Recovery: Level 7 of the Stairway to TDE
By VishnuGupthanSQLPowershellDBA
Comments posted to this topic are about the item Restoring Azure Key Vault Keys...
Permissions Removal When Changing Object Schema
When the schema of an object is changed, SQL Server wipes out the previous...
Question of the Day
Creating a JSON Document IV
I have this data in a table called dbo.NFLTeams
TeamID TeamName City YearEstablished ------ -------- ---- --------------- 1 Cowboys Dallas 1960 2 Eagles Philadelphia 1933 3 Packers Green Bay 1919 4 Chiefs Kansas City 1960 5 49ers San Francisco 1946 6 Broncos Denver 1960 7 Seahawks Seattle 1976 8 Patriots New England 1960If I run this code, how many rows are returned?
SELECT YearEstablished, json_objectagg(city : TeamName) FROM dbo.NFLTeams GROUP BY YearEstablished;See possible answers