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Oct26

Long back, I learned this trick and found an interesting use of it. I totally understand that its very dangerous. Recently I have seen someone getting bitten by this so thought of sharing. Warning: Don’t do this in any production environment The trick here is to take backup on NUL…

Oct25

Interview Question of the Week #042 – How Does SPACE Function Works in SQL Server?

Pinal Dave

SQL, SQL Interview Questions and Answers, SQL Server, SQL Tips and Tricks

No Comments

This question may sound strange but I have personally observed this being asked in one of the interview. Question: How Does SPACE Function Works in SQL Server? Answer: SPACE function accepts one numeric parameter and generates as many as space as a value of the parameter. Observe the output of the…

Oct24

SQL SERVER – Simple Way to Find Existence of Column in a Table

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

If you want to check if the column is already available in the table, you can use system views like sys.columns or INFORMATION_SCHEMA.COLUMNS. Let us create this dataset USE TEMPDB; CREATE TABLE TESTING(ID INT, NAME VARCHAR(100)) Suppose you want to find out the existence of the column named NAME and…

Oct23

SQL SERVER – How to Identify InMemory Objects Can be Identified in SQL Server?

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

In-Memory OLTP

When SQL Server introduced InMemory OLTP functionality, it is a great addition to the database. I have seen people use this capability in limited capacity for specific use case scenarios. As a seasoned developer, it is difficult to know what are the consumers of memory. In a recent conversation, I…

Oct22

SQL SERVER – Interesting Observations Using MONEY Datatype

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL Datatype, SQL PASS

MONEY is one of the data types supported in SQL Server. There are some interesting information about this. Observation 1: Money datatype can accept up to four scale values. DECLARE @money money SET @money='$1,200.45679' SELECT @money which results to 1200.4567 Observation 2: If the scales value exceeds 4 digits, it is rounded to…

Oct21

SQL SERVER – Database Size Limitation in SQL Express

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL Server Express

I have a tendency to write a number of interview style questions and those are quite popular in this blog. Having said that, sometimes we get asked about tricky questions on a small variety which we might know some of the basics – but sometimes it makes us think twice.…

Oct20

SQL SERVER – Log Shipping Restore Job Error: The file is too recent to apply to the secondary database

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL Error Messages

If you are a DBA and handled Log-shipping as high availability solution, there are a number of common errors that come that you would over a period of time become pro on resolving. Here is one of the common error which you must have seen: Message 2015-10-13 21:09:05.13 *** Error:…

SQLAuthority News – Register for NuoDB the Elastically Scalable, SQL/ACID Database

SQL SERVER - Weekly Series - Memory Lane - #011 ssmsshortcut

SQL Server – Using SSMS Command Line Parameters

SQL SERVER – How to Hide Yourself from SQL Server? – Guest Post by Balmukund Lakhani

SQLAuthority News – Speaking at Southeast Asia SharePoint Conference 2013

SQL SERVER – An Interesting Case of Redundant Indexes – Index on Col1, Col2 and Index on Col1, Col2, Col3 – Part 3

SQL SERVER – Weekly Series – Memory Lane – #011

Pinal Dave is an SQL Server Performance Tuning Expert and independent consultant with over 22 years of hands-on experience. He holds a Masters of Science degree and numerous database certifications.

Pinal has authored 14 SQL Server database books and 104 Pluralsight courses. To freely share his knowledge and help others build their expertise, Pinal has also written more than 5,800 database tech articles on his blog at https://blog.sqlauthority.com.

Pinal is an experienced and dedicated professional with a deep commitment to flawless customer service. If you need help with any SQL Server Performance Tuning Issues, please feel free to reach out at pinal@sqlauthority.com.

Pinal is also a CrossFit Level 1 Trainer (CF-L1) and CrossFit Level 2 Trainer (CF-L2).

Nupur Dave is a social media enthusiast and an independent consultant. She primarily focuses on the database domain, helping clients build short and long-term multi-channel campaigns to drive leads for their sales pipeline.

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SQL SERVER – Taking Backup Without Consuming Disk Space

Interview Question of the Week #042 – How Does SPACE Function Works in SQL Server?

SQL SERVER – Simple Way to Find Existence of Column in a Table

SQL SERVER – How to Identify InMemory Objects Can be Identified in SQL Server?

SQL SERVER – Interesting Observations Using MONEY Datatype

SQL SERVER – Database Size Limitation in SQL Express

SQL SERVER – Log Shipping Restore Job Error: The file is too recent to apply to the secondary database

SQL SERVER – An Interesting Case of Redundant Indexes – Index on Col1, Col2 and Index on Col1, Col2, Col3 – Part 2

SQLAuthority News – Register for NuoDB the Elastically Scalable, SQL/ACID Database

SQL Server – Using SSMS Command Line Parameters

SQL SERVER – How to Hide Yourself from SQL Server? – Guest Post by Balmukund Lakhani

SQLAuthority News – Speaking at Southeast Asia SharePoint Conference 2013

SQL SERVER – An Interesting Case of Redundant Indexes – Index on Col1, Col2 and Index on Col1, Col2, Col3 – Part 3

SQL SERVER – Weekly Series – Memory Lane – #011