Calculating Running Total with OVER Clause and PARTITION BY Clause in SQL Server
You often come across scenarios where you have to calculate a running total of a quantity. A...
SQL Server Table Partitioning and Partitions Tutorial
Problem In this article, we will focus on the demonstration of table partitioning. The simplest explanation of table partitioning can be...
SQL Server – Dissect the Internals of sp_spaceused
This article is an effort to dissect the output of the sp_spaceused stored procedure. Introduction Understanding the database usage...
Real-Time Operational Analytics and Non-Clustered Column Store Index
In this article, we will focus on real time operational analytics and how to apply this approach to...
SQL Server Trigger: Understanding and Alternatives
The SQL Server trigger is a special type of stored procedures that is automatically executed when an event occurs in a specific database...
Using Indexes in SQL Server Memory-Optimized Tables
Introduction In this article, we will discuss how different types of indexes in SQL Server memory-optimized tables affect performance. We...
Example of Improving Query Performance with Indexes
In this article, we’ll look at how an index can improve the query performance. Indexes in Oracle...
50 Shades of Oracle Database Certification Exam
In this article, I would like to talk about one of the basic certifications from Oracle – Oracle Database SQL Certified Expert....
Missing Indexes in MS SQL or Optimization in no Time
When executing a query, the SQL Server optimizer tries to find the best query plan based on existing indexes and available latest...
SQL Server Index Backward Scan: Understanding, Tuning
Table indexing strategy is one of the most important performance tuning and optimization keys. In...



