The options that you need to select when setting up an Azure Storage service account allow you to specify the durability and high-availability of your data, but they don't provide for data recovery to a point-in-time. In fact, it means that some of the bad things that can happen to data are more efficiently replicated to all copies. Backup is quite a separate issue.
2015-02-27
8,864 reads
Most large organizations have implemented one or more big data applications. As more data accumulates internal users and analysts execute more reports and forecasts, which leads to additional queries and analysis, and more reporting. The cycle continues: data growth leads to better analysis, which generates more reporting. Eventually the big data application swells with so much data and querying that performance suffers.
2015-02-26
11,157 reads
A database must be able to maintain and enforce the business rules and relationships in data in order to maintain the data model. It does this through referential constraints. They aren't complex, but are powerful, especially with the means to attach DRI actions to them. Joe Celko explains all, and pines for the ANSI CREATE ASSERTION statement.
2015-02-25
9,100 reads
PowerShell V2 introduces the "try-catch-finally" statements, similar to those you already use when you write .NET code. "Try-catch-finally" encloses a block of script that is likely to produce errors under specific circumstances and therefore helps you to keep your code organized. This article is a short usage guide for this error handling construct.
2015-02-24
8,518 reads
Performance tuning and optimization definitely have their place in minimizing SQL Server Licensing costs – by helping keep CPU utilization low. But it’s important to remember that the fastest and most efficient query possible is the one that you never execute against your SQL Server. That might sound trite, but it’s at the heart of caching – which is key to helping organizations save significant money on SQL Server licensing costs while simultaneously enabling better application performance and increased scalability.
2015-02-23
8,605 reads
When SQL Server 2014 was released, it included Hekaton, Microsoft’s much talked about memory-optimized engine that brings In-Memory OLTP into play. With memory-optimized tables 30 times faster than disk-based tables, higher performance is promised – but at what cost? Jonathan Watts looks at the features that have improved, and those that need careful consideration.
2015-02-20
10,562 reads
Daniel Calbimonte has written a code comparison for MariaDB vs. SQL Server as it pertains to how to comment, how to create functions and procedures with parameters, how to store query results in a text file, how to show the top n rows in a query, how to use loops, and more.
2015-02-19
13,038 reads
Containers promise to make applications more portable and efficient. The technology, originally based on Linux's cgroups, provides a way of running several applications as modular, platform-agnostic packages in isolation on the same server. Docker's open-source approach to containers has dominated the market, and Microsoft is producing its own equivalent Windows system. What next? Will Containers replace VMS? Robert Sheldon investigates.
2015-02-18
8,746 reads
SQL Server Express Edition does not include SQL Server Agent in order to schedule the SQL Server database backups. Here's how to automate the backups for SQL Server Express Edition and make sure the old backup files are deleted.
2015-02-17
10,685 reads
If your code uses temporary tables, variable tables or dynamic cursors, this metric can help identify whether you have contention on tempdb allocation. Tempdb is shared by all databases and is used for many operations in a SQL Server instance, so it is common for tempdb to cause performance problems.
2015-02-17
8,580 reads
By Brian Kelley
Do you have a case where you have a named instance you'd like to...
I’ve been running this blog on Hugo for a long time, and like most...
By Steve Jones
I was trolling the docs and noticed the SIGN() function. I have never written...
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Comments posted to this topic are about the item RegEx Functions I
Which of these RegEx functions need compatibility level 170 in SQL Server 2025?
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