Category: SQL Server

Change Database Recover Model

Change Database Recover Model

 

Azure Useful Queries

Log Analytics 

 

Deadlocks in Azure SQL Database

Deadlocks in Azure SQL Database : Recently we were working with Azure Logic Apps to invoke Azure Functions. By Default, Logic App runs parallel threads and we didn’t explicitly control the concurrency and left the default values. So Logic App

Azure SQL Database Connectivity Architecture

Azure SQL Database Connectivity Architecture Connection policy Azure SQL Database supports the following three options for the connection policy setting of a SQL Database server: Redirect (recommended): Clients establish connections directly to the node hosting the database. To enable connectivity, the

Azure Database Firewall Queries

Logic Apps – US East Region

   

Stored Procedure Error Logging

Stored Procedure Error Logging Create table to capture Errors Create Stored Procedure to Log Error Invoke Stored Procedure in TRY/CATCH Block

 

Memory-Optimized Tables

Monitor Memory Optimized Table Space Usage :

All Memory Used by Memory Optimized Table across Database Engine

Enable Natively Compiled Stored Procedure Stats Collection

DBCC FREEPROCCACHE does not remove natively compiled stored procedures from Plan Cache

Brute force attack on SQL Server

Brute force attack on SQL Server  If your business needs the SQL Server to be accessible on public network, you may be very vulnerable for brute force attacks. Following query will help you identify the failed login attempts and you

When Does SQL Server Trial Edition Expire?

When Does SQL Server Trial Edition Expire? I installed SQL Server Docker Container on Linux Machine running on EC2. I took the AMI Image and launched the existing container and wanted to know when will the SQL Server licence expires

SQL Injection attack on Website hosted on EC2 Machine

SQL Injection attack on Website hosted on EC2 Machine: I setup a website http://h1bsalary.online with publicly available dataset. As soon as I launched website, numerous trolls and automated bots sending traffic to identify the vulnerabilities. Safe-Guards I have taken so far :

Install SQL Server Docker Container on Linux

Install SQL Server Docker Container on Linux and Connect through Client Tools I was surprised by ability to run setup and run SQL Server Docker container. It only takes about 2 commands and 2 Minutes.

Version Info:

 

SQL Server Optimizations for High Concurrency

SQL Server Optimizations for High Concurrency Our business needs very robust, low latency, highly available and durable online transactional system which supports high concurrency for about four weeks in a year. It’s almost like Thanksgiving sale where you mark down very popular item

ScriptOut Change Tracking Tables

ScriptOut Change Tracking Tables

 

How to become DBA favorite Developer

Application Name : When a connection is made to SQL Server there are by default no way for SQL Server to know what software is making the connection. If several apps are using a shared SQL Server and there are

AWS RDS First Touch Penalty

AWS RDS First Touch Penalty According to AWS Documentation The first time a DB instance is started and accesses an area of disk for the first time, the process can take longer than all subsequent accesses to the same disk

Useful Free Tools and Books

Useful Free Tools Download Links Wonderful Microsoft utilities PerfMon , Profiler ,  Dynamic Management Views and System Tables should provide lot of insights and help in diagnosing and troubleshooting issues. These free tools are nice add-ons and improves the productivity.  

AWS SQL Server RDS Native Backup Restore

Steps to Restore .bak SQL Server backup file to Amazon SQL Server RDS
Step by Step Guide to backup and restore SQL Server backups on AWS RDS through S3 Buckets.

Dynamic SQL Search Stored Procedure

Dynamic SQL Search Stored Procedure
This also includes how to safeguard against SQL Injection by escaping single quotes through SQL function.

Caching SQL Server Tables After Restart

SQL Server Cached Pages and ways to bring data pages to memory
We noticed considerable latency in stored procedure execution after restarting SQL Server Instance which was triggered by accessing data from disks instead of memory. So we ended up writing a simple script to bring data pages to memory. This helped us to avoid first touch penalty after restart in production environment.

Dynamically Restore SQL Server Database from Backup

Dynamically Restore SQL Server Database from Backup We always get requests to restore databases from production to lab environment.This script dynamically restores the backup file and moves the data and log files to default locations.

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