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Is JavaScript Single-Threaded?

Developing JavaScript for web pages can be perplexing. You will get errors that seem to make no sense, You will be given nuggets of advice about how and when you can use JavaScript to manipulate the DOM or make Ajax requests. It is far better to understand the reason for these rules; the single-threaded nature of JavaScript, and how it loads the page and manages the event loop. How can you achieve parallel processing and what is the best way? Igor makes it all clear and obvious.

2016-11-04

3,714 reads

External Article

Azure SQL Data Warehouse: Explaining the Architecture Through System Views

The architecture of Azure SQL Data Warehouse isn't easy to explain briefly, but if you have some useful queries that access the management and catalog views, and diagrams that show how they relate together, you can very quickly get a feel for what is going on under the hood. By using and extending these queries that use these views, you can check on a variety waits, blocking, status, table distribution and data movement in ASDW.

2016-11-01

3,226 reads

External Article

SQL Database: How to Configure Active Geo-Replication

Active Geo-location is powerful magic for ensuring the high availability of a Azure SQL database, and for disaster-recovery. In choosing the best options, you need to accurately understand the value that the business places on the service you're running, long it will take for a secondary replica to be in synch with the primary replica, the importance of spreading the location of replicas widely, and the maximum tolerable unscheduled downtime. Just clicking all the options could prove to be expensive.

2016-10-27

3,361 reads

External Article

Master Data Services – The Basics

Master Data Services (MDS) is Microsoft's platform for supporting Master Data Management (MDM). A system like MDS, if properly maintained, gives organisations a powerful alternative to increasingly having to centralize databases as a way of preventing data from getting out sync or become inconsistent, and a reliable way of managing the flow of data through corporate IT systems. It makes microservice architectures realistic. Hari Yadav shows you how to get up and running with MDS.

2016-10-25

4,165 reads

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Dancing Robot Goes Rogue

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advice as i migrate my winscp based ssis pkg to our prod server

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Identities and Sequences II

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Question of the Day

Identities and Sequences II

In thinking about the differences between the identity property and a sequence object, which of these two guarantees that there are consecutive numbers (according to the increment) inserted in a single table?

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