SQL Server Random Sorted Result Set
In this tip Dallas Snider illustrates how to write a T-SQL query that will return rows sorted randomly.
2015-03-10
8,200 reads
Additional Articles
Conrad Wolfram: Geek of the Week
Conrad Wolfram is the 'younger Wolfram' of Wolfram Research, the company behind Wolfram|Alpha and Mathematica. He wants to transform the way in which we engage with mathematics. In particular, he would like to reform mathematics education to make greater use of information technology, and he is also leading the way with interactive publishing technology.
2015-03-09
7,173 reads
Azure Blob Storage Part 6: Blob Properties, Metadata, etc.
After finding it difficult to find seriously useful information on Azure blob storage written after Storage Client Library 1.7 (and we’re on 4.something now), Robin Shahan decided to try and fill that gap with this article.
2015-03-06
6,064 reads
Getting Starting with Database Engine Tuning Advisor in SQL Server – Part 1
There are different techniques to optimize the performance of SQL Server queries but wouldn’t it be great if we had some recommendations before we started planning or optimizing queries so that we didn’t have to start from the scratch every time? This is where you can use the Database Engine Tuning Advisor utility to get recommendations based on your workload.
2015-03-05
7,574 reads
Questions About SQL Server Transaction Log You Were Too Shy To Ask
Tony Davis answers 10 surprisingly tricky questions about SQL Server Transaction Log.
2015-03-04
9,623 reads
Reviewing Logical Hard Drive details using T-SQL and OLE Automation Procedures
One of the most important SQL Server DBA tasks is checking logical hard drive details such as the total capacity, free disk space, and used space by the SQL Server data and log files. In this tip we look at a method to view this information in a faster and simpler way.
2015-03-03
6,821 reads
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
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
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
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
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Introduction of OPTIMIZE_FOR_SEQUENTIAL_KEY = ON
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The Long Name
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Question of the Day
The Long Name
I run this code to create a table:
When I check the length, I get these results:
A table name is limited to 128 characters. How does this work?