In this article, our focus will be to test, the performance benefits of columnstore indexes, on a transactional (OLTP) workload, for real-time analytics. We'll cover examples from each of the followings - Pivot, Aggregate Functions, Analytic Functions, Ranking Functions and Window Functions.
Category: Performance Tuning
Computed Column can be utilized to optimize the query performance. It can be leveraged, to make the query sargeable, to make proper use of available indexes.
In this article, we'll perform a test to see, how computed columns can help in performance tuning.
WHILE LOOP can be used for batch processing and can be helpful if you are dealing with huge data processing. Recently I did an analytics project where I had to iterate through 70K customers and generate the Monthly, Last One Year and Since Inception returns of all the customers and their respective benchmark index since … Continue reading Leveraging WHILE LOOP
Read the following blog post for Best Practices to be followed for designing the tables in SQL Server. Best practices for designing tables in SQL Server SET NOCOUNT ON should be there at the beginning of Stored Procedure. SET TRANSATION ISOLATION LEVEL READ UNCOMMITED should be there at the beginning of Stored Procedure unless you … Continue reading Best practices for Stored Procedures in SQL Server
Fragmentation can hurt the performance of your query very badly. It is one of the key factor behind poor performing database. Many a times, DBA takes it very easy and respond when there is complete slowdown of the application. DBA respond to the situation in reactive manner instead of the proactive manner. It is essential to removes fragmentation and reclaims disk … Continue reading Best way to deal with Index Fragmentation