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random rows

SQL SERVER – Techniques for Retrieving Random Rows

August 25, 2023
Pinal Dave
SQL Tips and Tricks
SQL Function, SQL Random, SQL Top

This post will explore various techniques to retrieve random rows in SQL Server and analyze their performance and randomness characteristics in depth.

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column exists

SQL SERVER – Checking If a Column Exists in a Table

August 24, 2023
Pinal Dave
SQL Tips and Tricks
Information Schema, SQL Column, SQL Table Operation, System Object

Let us see a script that will help check if a Column Exists in a Table. One of the common tasks that developers deal with when working on database-related projects

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Navigating SQL Server CPU and Memory Usage Woes

August 23, 2023
Pinal Dave
SQL Tips and Tricks
Idera, SQL CPU, SQL Memory

SQL Server is a powerful database management system, it can encounter performance issues related to CPU and memory usage.

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retrieve column names

SQL SERVER – Scripts to Retrieve Column Names

August 22, 2023
Pinal Dave
SQL Tips and Tricks
Computed Column, SQL Column, SQL DMV

Understanding how to retrieve column names from a table is one of the fundamental operations you should be familiar with.

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tlog

SQL SERVER – Transaction Logs: The Good, The Bad, and The Ugly

August 21, 2023
Pinal Dave
SQL Tips and Tricks
SQL Log, Transaction Log

Providing a comprehensive understanding of their role and potential issues. Let us learn about Transaction Logs: The Good, The Bad, and The Ugly.

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nullable

SQL SERVER – Unique Indexes on Nullable Columns

August 17, 2023
Pinal Dave
SQL Tips and Tricks
SQL Index, SQL NULL

As the server allows only one null value in a column if a unique constraint is applied. Let us learn about Unique Indexes on Nullable Columns.

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Pigeonhole

The Pigeonhole Principle: Bridging Mathematics and SQL

August 16, 2023
Pinal Dave
SQL Tips and Tricks
Mathematical Function, SQL Function

The other day I was reading Wikipedia, and I ended up on the Pigeonhole Principle. I find it very intriguing about this and I decide to blog

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