Query Performance Insight: Discovering What Consumes Resources of Your Azure SQL Database?

Query Performance Insight: Discovering What Consumes Resources of Your Azure SQL Database?
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In this post, I’d like to take a brief look at the Query Performance Insight — SQL Azure tool which will help you to identify the most expensive queries in your database.

Query Performance Insights was announced in early October 2015. To understand what it is, let’s think about how do you usually learn that the database performance got down? Probably, you are receiving emails from your clients or it takes an hour to create a weekly report instead of a several minutes, or maybe, your application starts throwing exceptions. Read More

EFFECTIVE CODE REVIEW: Uprooting Source Code Defects

EFFECTIVE CODE REVIEW: Uprooting Source Code Defects
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Preface

In software development, a small coding error can result in a critical vulnerability that may lead to malfunction of an entire system. There are many techniques for detecting software defects such as static code analysis, manual and automated testing, pair programming, continuous integration, and of course, code inspections. However, detecting defects in software product development requires serious effort, so it is important to use the most efficient and effective methods. Read More

SQL Server Database Backup Encryption

SQL Server Database Backup Encryption
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To manage the data security that has been backed up by the file system as a database backup files, SQL Server provides the backup encryption feature. In this article, we will talk about encryption options available in SQL Server for database backups. We will have a closer look at the usage details, benefits, and recommended practices for encrypting SQL Server database backup during the backup process. Read More

Creating Excel in JavaScript

Creating Excel in JavaScript
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In this article, we will create an excel-like application that takes about 30 rows of JS code, with automatic saving to localStorage. No third party libraries are used. To create a formula, you can use “=”. You can also create arbitrary expressions like (=A1+B2*C3) and detect circular references. Read More