Stored Procedure Error Logging Create table to capture Errors Create Stored Procedure to Log Error Invoke Stored Procedure in TRY/CATCH Block USE TEMPDB; GO IF OBJECT_ID(‘APM.ErrorLog’) IS NOT NULL DROP TABLE APM.ErrorLog; GO CREATE TABLE APM.ErrorLog ( ErrorLogID INT IDENTITY(1,…
Year: 2017
Install and Run SQL Server Docker Container on Mac
Install and Run SQL Server Docker Container on Mac Like most people, I use Mac , Windows as well Linux OS for development and testing purposes. Primarily I use Mac for Development purpose. I have few projects which uses SQL Server as…
Bulk Load Data Files in S3 Bucket into Aurora RDS
Bulk Load Data Files in S3 Bucket into Aurora RDS We typically get data feeds from our clients ( usually about ~ 5 – 20 GB) worth of data. We download these data files to our lab environment and use shell…
MYSQL / AURORA Database Troubleshooting
Number of Connections by Host SELECT SUBSTRING(HOST, 1, 10) , DB,USER , COUNT(*) AS Count FROM information_schema.processlist group by SUBSTRING(HOST, 0, 10) , DB,USER ORDER BY Count desc ; — ‘10.10.50.22’, ‘Portal’, ‘webguest-dev’, ’46’ Aurora Max Connections select AURORA_VERSION(); select…
Memory-Optimized Tables
Monitor Memory Optimized Table Space Usage : ; WITH system_allocated_memory ( system_allocated_memory_in_mb ) AS ( SELECT ISNULL(( SELECT CONVERT(DECIMAL(18, 2), ( SUM(TMS.memory_allocated_for_table_kb) + SUM(TMS.memory_allocated_for_indexes_kb) ) / 1024.00) FROM [sys].[dm_db_xtp_table_memory_stats] TMS WHERE TMS.object_id <= 0 ), 0.00) ), table_index_memory ( table_used_memory_in_mb,…
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. $docker pull microsoft/mssql-server-linux $docker run -e…
AWS Data Pipeline & Load S3 File Into MySQL
Getting started with AWS Data Pipeline AWS Data Pipeline is a web service that you can use to automate the movement and transformation of data. With AWS Data Pipeline, you can define data-driven workflows, so that tasks can be dependent on…
AWS Regions and Availability Zones
AWS Regions and Availability Zones C:\Users\Raju>AWS ec2 describe-regions C:\Users\Raju> aws ec2 describe-availability-zones EC2 Regions and US-WEST-2 Availability Zones References: http://docs.aws.amazon.com/general/latest/gr/rande.html http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-regions-availability-zones.html#using-regions-availability-zones-describe
Tagged with: AWS
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…
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