SQL Server 2025 introduces DiskANN, a breakthrough in vector search. By offloading high-dimensional indices to NVMe storage, it allows organizations to scale AI workloads to billions of vectors without astronomical...
Ashish Kumar Mehta
SQL Server 2025 Master Guide: 30 New Features for AI and Analytics
Transition your enterprise to the AI era with our expert-level breakdown of the top 30 SQL Server 2025 new features. This master guide covers native vector support, Microsoft Fabric integration, and advanced security...
Automated SQL Server Growth Alerts: Send HTML Reports via SQL Agent
Stop checking dashboards manually. Learn how to automate SQL Server growth alerts using T-SQL and HTML. This guide covers identifying ingestion spikes and sending formatted email reports via SQL Agent for a truly...
How to Visualize SQL Server Table Growth Trends in Power BI
As DBAs, we're tired of being the last to know about data spikes. This guide moves beyond scripts to show you how to build a Power BI dashboard that predicts storage needs, calculates growth velocity, and justifies your...
How to Track SQL Server Row Count Changes Over Time Using a Custom History Table
Most DBAs know how to get current row counts, but few track how they change. This guide provides a step-by-step framework to build a custom auditing system that captures table growth history, helping you predict storage...
PostgreSQL Row Count for All Tables: 7 Fastest Methods
Discover how to bypass slow SELECT COUNT(*) scans in PostgreSQL. This guide provides 7 high-performance methods—including metadata queries and original PL/pgSQL scripts—to get precise and estimated row counts for all...
SQL Server 2025 Native Vector Search: The Complete Guide to Building AI-Ready Databases
Stop using external vector databases. SQL Server 2025 introduces native VECTOR types and DiskANN indexes. This masterpiece guide covers everything from generating embeddings to building production-ready RAG pipelines...
Mastering PostgreSQL Index-Only Scans: 40x Speed for Heavy Queries
PostgreSQL Index‑Only Scan is a powerful technique to boost query performance by eliminating unnecessary heap fetches. By leveraging the Visibility Map, developers can reduce I/O overhead and achieve up to 40x speed...
PostgreSQL Performance Tuning: The “Golden Ratios” for Memory Configuration
Generic tuning formulas often fail because they ignore the underlying hardware abstraction layer. In this deep-dive, I breaks down the "Golden Ratios" for PostgreSQL memory management. Learn why shared_buffers strategy...
PostgreSQL SELECT Clause: A Masterclass in High-Performance Querying & Best Practices
Master the PostgreSQL SELECT clause with this deep-dive guide. Learn how to optimize queries, leverage index-only scans for 40x speed gains, and avoid common production bottlenecks like 'SELECT *'. Includes a 1M-row...
PostgreSQL UPDATE Statement Tutorial with Examples and Best Practices
Master the PostgreSQL UPDATE statement with practical examples using the employees table. Learn syntax, multiple row updates, returning clause, and best practices for efficient SQL queries.
PostgreSQL INSERT Statement Tutorial | Multiple Rows, RETURNING Clause & Best Practices
Master PostgreSQL INSERT with step-by-step examples for single & multiple rows, dates, and the RETURNING clause. Learn best practices and start coding smarter today!
PostgreSQL WHERE Clause Tutorial with Examples
Master PostgreSQL WHERE clause with this complete tutorial. Learn how to filter rows using equality, AND, OR, IN, LIKE, BETWEEN, and NOT operators. Includes performance tips, FAQs, and examples for SELECT, UPDATE, and...
Load PostgreSQL Sample Database: Beginner-Friendly Tutorial
Learn how to load the PostgreSQL DVD Rental sample database using pgAdmin. Step-by-step beginner’s guide to creating, restoring, and exploring PostgreSQL databases for practice.
Connect to PostgreSQL Database Server Using psql and pgAdmin
Learn how to connect to PostgreSQL database server using psql command line and pgAdmin GUI. Easy tutorial for beginners with queries, host/port setup, and FAQs.
SQL Delete Duplicate Rows from a SQL Table in SQL Server
SQL Delete Duplicate Rows from a SQL Table in SQL Server There are scenarios when you need to DELETE Duplicate Rows in SQL Server Table or REMOVE Duplicate Rows in SQL Table. Deleting Duplicate Records from...
COVID-19 Dashboard
Coronavirus (COVID-19) Dashboard provides an overview of its impact. The dashboard also includes the total number of cases reported by each country. Data is refreshed automatically. COVID-19 Vaccination Status...
Does SQL Server Database Use Any Enterprise Edition Features?
One of the most common tasks performed by the DBA is to moving user databases across different editions of SQL Server especially during Disaster Recovery Situations. There are some Enterprise Edition only features which...
Discover SQL Server Components Installed Using SQL Server Discovery Tool
Microsoft Introduced SQL Server Discovery Tool is widely used by SQL Server Database Administrators to quickly identify SQL Server Components which are already installed on a local SQL Server. The report shown in the...
Different States of SQL Server Database
SQL Server Database can reside in one among the seven states. For example these can be ONLINE, OFFLINE, RESTORING, EMERGENCY, SUSPECT etc. This article explains each of these states and includes a T-SQL code which can...
How to Get SQL Server Instance Information
In this article we will take a look at different ways in which a DBA or a Developer can Retrieve System and SQL Server Information. The method mentioned is applicable for SQL Server 2005 and all higher versions. Below...
How to Use SQL Server Configuration Manager
How to Use SQL Server Configuration Manager to Manage SQL Server Services, Configure Network Protocols, and Network Connectivity Configuration “SQL Server Configuration Manager” is a tool that can be used to...
How to Manage SQL Server Failover Cluster using Command Line
In this article we will take a look at how to manage SQL Server Failover Cluster Using Command Line. If you are managing multiple clusters then the following article will be of help How to Identify SQL Server...
How to Identify SQL Server Cluster Node and Shared Drives Information Using TSQL Queries
When you have a Multiple SQL Server Cluster Configuration and multiple shared drives it becomes tough to know which SQL Server Failover Cluster Instance is using which Shared Drives. This article has the collection of...
How to Identify CPU Bottlenecks in SQL Server Using Performance Counters
There are instance when you are facing CPU bottlenecks on your SQL Server Instance. In this article we will take look at How to Identify CPU Bottlenecks in SQL Server Using Performance Counters.The most common reason...
Improved Startup Parameters in SQL Server 2012
Microsoft has improved the configuration of startup parameters in SQL Server 2012 and it is much simpler and easier. In this article we will take a look at the steps to add a Trace Flag 1222 to identify deadlocks in SQL...
SQL Server Database Engine Service Startup Options
SQL Server Database Engine supports different startup options for SQL Server Database Engine Service. A database administrator can set the startup options very easily using SQL Server Configuration Manager. In this...
How to Uninstall SQL Server 2008 Step by Step Guide
This article is a step by step guide which can be used by database administrators to Uninstall SQL Server 2008 Enterprise Edition. Step by Step Guide to Uninstall SQL Server 2008 / 2008 R2 Step 1: Click Start | Control...
SQL Server WHERE Clause T-SQL Tutorial with Examples
The WHERE Clause is used to fetch records from a table which meets the condition mentioned in the WHERE Clause. This is Part 5 of 40 Part SQL Server T-SQL Tutorial. Click here to read it from the beginning…. WHERE...
SQL Server ORDER BY Clause T-SQL Tutorial with Examples
The ORDER BY Clause is used to order the result set in ascending or descending order. By default, when ORDER BY clause is used the result set is ordered in the ascending order. This is Part 4 of 40 Part SQL Server T-SQL...
SQL Server SELECT DISTINCT Clause T-SQL Tutorial with Examples
The SELECT DISTINCT Statement is used to fetch distinct values in a specific column of a given table. This article gives you an overview of the SQL Server SELECT DISTINCT clause or SELECT DISTINCT SQL Clause. This is...
SQL Server SELECT TOP Clause T-SQL Tutorial with Examples
The SELECT TOP Clause is used to specify the percentage of rows or to specify the number of rows which needs to be retrieved from a given table. This is Part 2 of 40 Part SQL Server T-SQL Tutorial. Click here to read it...
SQL SELECT | SQL QUERY | SQL SELECT Statement T-SQL Tutorial with Examples
SQL SERVER SELECT Statement | SQL SELECT TABLE | SQL SELECT | SQL QUERY The “SQL SELECT statement” is used to select data from a database. In SQL SERVER, the SELECT Statement is used to query the data stored...
Database Backup Encryption in SQL Server 2014 a Step by Step Implementation Guide
Microsoft has introduced inbuilt Database Backup Encryption Feature in SQL Server 2014. Starting SQL Server 2014, SQL Server will have the ability to encrypt the data while the backup is in progress. One can encrypt the...
How to Restore Database in SQL Server?
Summary This article mentions different methods to restore the database in SQL Server from the backup files (.bak files). You can RESTORE a database from a backup file using SQL Server Management Studio (SSMS) or...
How to Repair Database in Suspect Mode in SQL Server
Summary There are times when you connect to an SQL Server Instance you will find the database being marked as SUSPECT. In such a scenario, you will not be able to connect to the database to read and write data...
Identify Deadlocks Using Graphical Deadlock Chain Event in SQL Server Profiler
This article explains how to identify deadlocks in SQL Server using graphical deadlock chain event in SQL Server Profiler. We would highly recommend you to read “Identify Deadlocks in SQL Server Using Trace Flag 1222...
How to Monitor Transaction Log File Usage in SQL Server
As a Best Practice database administrator should always monitor the space usage within the SQL Server Transaction Log file. This will help you quickly understand how much space the Transaction Log file is using during...
Why to Configure Database Instant File Initialization in SQL Server? Advantage
Why to configure Database Instant File Initialization in SQL Server? Its Advantages SQL Server Database Administrators can leverage Database Instance File Initialization Feature which is available in Microsoft Windows...
Different Ways to Enable Dedicated Administrator Connection in SQL Server
Microsoft introduced Dedicated Administrator Connection (DAC) feature in SQL Server 2005 and higher versions. Using DAC feature a database administrator can connect to an SQL Server Instance when SQL Server stops...
Steps to Connect to SQL Server When all System Administrators are Locked Out
Getting Sysadmin Access to SQL Server When Locked Out SQL Server Security is one of the key responsibilities of a Database Administrator. However, there can be scenarios when a DBA will be asked to manage SQL Server...
How to Backup and Restore Resource Database in SQL Server
Microsoft SQL Server 2005 introduced a new system database namely Resource database. It’s a read-only system database which is hidden from users and in this article we will discuss how to backup and restore Resource...
How to Detect Virtual Log Files in SQL Server Transaction Log File
This article demonstrates how to Detect Virtual Log Files in SQL Server Transaction Log File. The steps mentioned in this article are applicable on SQL Server 2005 and higher versions. To know more about how to fix...
What are Virtual Log Files in SQL Server Transaction Log File?
Every transaction log file is logically divided into smaller segments and these segments are called Virtual Log Files or VLFs. VLF stands for Virtual Log File in SQL Server Transaction Log File How Virtual Log Files...
Why Model Database Default Settings Customization is Important for SQL Server?
What is a Model System Database? Model is a system database which is used as a template while creating newer user databases in SQL Server. Why you must make necessary changes to default settings of a Model System...
Where can I find SQL Server Management Studio for SQL Server 2016?
After the successfully installation of SQL Server 2016, I have realized that SQL Server Management Studio 2016 (SSMS) is missing. In this tip we will discuss how to download and install SQL Server Management Studio for...
Limit SQL Server Error Log File Size in SQL Server
SQL Server Error Log contains valuable information which can be used by database administrators to troubleshoot issues with SQL Server. A typical Error Log file contain informational messages, warnings, critical events...
How to Identify the Location of Resource Database in SQL Server
In this article we will take a look at how to identify the location of Resource database in SQL Server using a TSQL script. Importance of Resource Database in SQL Server Microsoft initially introduced Resource database...
SERVERPROPERTY T-SQL Enhancement in SQL Server 2016
Discover the essential SERVERPROPERTY enhancements in SQL Server 2016. In this final part of our 10-part T-SQL series, we show you how to natively track ProductUpdateLevel (CU/SP) and find default file paths without...
Mastering FORMATMESSAGE in SQL Server 2016: Ad-Hoc String Formatting
In Part 9 of our series, we explore the FORMATMESSAGE enhancement in SQL Server 2016. Moving beyond predefined system messages, developers can now format ad-hoc strings directly in T-SQL. Learn why this function is...
STRING_SPLIT Function and STRING_ESCAPE Function in SQL Server 2016
SQL Server 2016 introduced STRING_SPLIT and STRING_ESCAPE to simplify string manipulation. While STRING_SPLIT replaces inefficient User Defined Functions (UDFs) for parsing delimited lists, STRING_ESCAPE provides a...
COMPRESS and DECOMPRESS T-SQL Enhancement in SQL Server 2016
Learn how to implement native GZIP compression in SQL Server 2016 using COMPRESS and DECOMPRESS functions. This guide covers syntax, storage benefits, and performance trade-offs when handling large text, JSON, or XML...
ALTER DATABASE SET AUTOGROW_ALL_FILES T-SQL Enhancement in SQL Server 2016
Learn how to enable AUTOGROW_ALL_FILES in SQL Server 2016 and higher versions to optimize the proportional fill algorithm. Eliminate disk I/O hotspots and TempDB contention by ensuring all files in a filegroup grow...
AUTOGROW_SINGLE_FILE in SQL Server 2016: Syntax & TF 1117 Comparison
Learn how to use AUTOGROW_SINGLE_FILE in SQL Server 2016 to manage database file growth. This guide compares the new T-SQL enhancement to legacy Trace Flag 1117, explaining how to optimize storage while avoiding I/O...
MAXDOP for DBCC CHECKDB, DBCC CHECKTABLE and DBCC CHECKFILEGROUP T-SQL Enhancement in SQL Server 2016
SQL Server 2016 introduces MAXDOP for DBCC commands, allowing granular control over CPU usage during consistency checks. Learn how to specify the Maximum Degree of Parallelism for DBCC CHECKDB, CHECKTABLE, and...
ALTER TABLE WITH (ONLINE=ON | OFF) T-SQL Enhancement in SQL Server 2016
SQL Server 2016 simplifies database maintenance with the DROP IF EXISTS T-SQL enhancement. This feature eliminates the need for legacy object existence checks using IF IF EXISTS or sys.objects. Learn how to drop tables...
DROP IF EXISTS – Simplifying Database Cleanup Scripts in SQL Server 2016
SQL Server 2016 simplifies database maintenance with the DROP IF EXISTS T-SQL enhancement. This feature eliminates the need for legacy object existence checks using IF EXISTS or sys.objects. Learn how to drop tables...
How to Truncate Specific Partitions in SQL Server (Fast & Efficiently)
Learn how to use TRUNCATE TABLE WITH PARTITIONS in SQL Server 2016 to clear specific data ranges instantly with minimal logging. Faster than DELETE and SWITCH
T-SQL Enhancements in SQL Server 2016 for Developers and DBAs
SQL Server 2016 introduces many new T-SQL features for Developers and Database Administrators. Let us take a look at some of the new T-SQL enhancements in SQL Server 2016 along with relevant examples. This is Part 1 of...
How to Enable an Index in SQL Server
In this article we will take a look at how to enable an index in SQL Server. This is a very useful feature which will help you enable an index which was disabled earlier to check whether the index was really useful or...
How to Disable an Index in SQL Server
In this article we will take a look at how to disable an index in SQL Server. This is a very useful feature which will help you identify whether the index is really useful or not without actually dropping the index...
How to Change SQL Server Login Properties to Enforce Password Policies and Expiration Settings
How to set SQL Server Password Policy | Set SQL Password Policy This article demonstrates the steps to create an SQL Server Login which enforces password policies and password expiration policies. Let us start by...
Troubleshooting The remote procedure call failed. [0x800706be] WMI Error in SQL Server
You may end up getting “The remote procedure call failed. [0x800706be] WMI Error“ when you click SQL Server Services in SQL Server Configuration Manager as shown in the snippet below. This article explains the steps to...
How to Start SQL Server in Single User Mode?
There can be certain scenarios when one needs to connect to an SQL Server Instance in a Single User Mode by using the Startup Option -m. For example, the need could be to recover a damaged system database such as...
SQL Server: How to Start SQL Server with Minimal Configuration
Introduction There can be certain scenarios when SQL Server is not starting because of configuration problems. During such scenarios one need to start an instance of SQL Server by using minimal configuration...
Configure Network Drive Visible for SQL Server During Backup and Restore Using SSMS
Introduction Most of the Development and Test Database Servers will not have enough disk space to store both the database and backup files in order to perform the periodic database refreshes. In such scenarios, the best...
Different Ways to Find Default Trace Location in SQL Server
How to Find SQL Server Default Trace Location Starting SQL Server 2005, Microsoft introduced a light weight trace which is always running by default on every SQL Server Instance. The trace will give very valuable...
Fix Cannot open user default database. Login failed. Login failed for user SQL Server Error
In this article we will take a look at the steps which you need to follow when you receive “Cannot open user default database. Login failed. Login failed for user ‘UserName’. (Microsoft SQL Server, Error: 4064)“ SQL...
Identify Deadlocks in SQL Server Using Trace Flag 1222 and 1204
This article outlines the steps which one can follow to enable Trace Flag 1222 on SQL Server to capture deadlock information. You can also use Trace Flag 1204 in conjunction with Trace Flag 1222. Difference between...
How to Change Select Top 1000 Rows and Edit Top 200 Rows Default Value in SQL Server Management Studio
How to Select Top 1000 Rows SQL Server Starting SQL Server 2008, SSMS allows you to Select Top 1000 rows and Edit Top 200 rows. However, in the previous version of SSMS 2005, the only option was to open the entire table...
How to Enable and Refresh IntelliSense in SQL Server Management Studio (SSMS)
Introduction In SQL Server 2008, Microsoft had introduced IntelliSense feature in SQL Server Management Studio (SSMS). As a Developer or as a DBA you may face issues with IntelliSense feature not to be working or not...
How to Verify and Register SPN for SQL Server Authentication with Kerberos Connections
Introduction This article explains how to verify and register Service Principal Names (SPN) for SQL Server Authentication with Kerberos Connections. Kerberos Authentication is a widely accepted network authentication...
Drop Database in SQL Server by Killing Existing Connections
DROP Database SQL Server Let’s learn how to Drop Database in SQL Server when the users are connected to the SQL Server Database. You may find the need to close all the existing database connections in a database...
FORMAT SQL Server Dates Using FORMAT Function in SQL Server
FORMAT Date in SQL Server FORMAT Function was introduced in SQL Server 2012, and it is available in all the later versions of SQL Server. This article will show different examples of using the new FORMAT function in SQL...
