Articles

External Article

Checking the Plan Cache Warnings for a SQL Server Database

How often do you check your query plans to see if they contain any warnings? If you're missing them, it means that you're not getting all those hints about missing indexes, join predicates or statistics. Is the query optimiser trying to tell you about implicit conversions? Dennes shows how to view the warnings in plan cache for a particular database using SQL.

2015-03-02

7,649 reads

External Article

Cloud Storage Replication Is Not Backup

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

Technical Article

SQL Saturday #381 - Richmond, VA

SQL Saturday is coming to Richmond on March 21, 2015. Join us for a free day of SQL Server training and networking. There are also paid-for pre-con sessions available from Tim Mitchell and Kevin Kline. Register while space is available.

2015-02-27

7,175 reads

External Article

Another Look at Tuning Big Data Queries

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

External Article

The DRI Subject of References

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

Blogs

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What is Page Density

By Steve Jones - SSC Editor

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T-SQL in SQL Server 2025: Fuzzy String Search II

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Azure-SSIS, Self-Hosted Integration Runtime, & Data Gateway?

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Question of the Day

What is Page Density

In SQL Server, there is a concept of page density. This is determined by how much data is stored on each page. What is a page density of 90%?

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