Image a situation when you use the SQL Server RAND() T-SQL function as a column in a SELECT statement, and the same value is returned for every row as shown below. In this tip, Dallas Snider explains how you can get differing random values on each row.
2015-04-02
10,277 reads
Learn how you can guarantee the ordering of all messages in a Service Broker queue, regardless of conversations.
2015-04-01
3,170 reads
With the idea of a generic Dacpac defined by international standard, comes the potential for a Visual Studio developer to use SSDT to create a generic database model to a SQL-92 compliant standard that can then be deployed to any one of the major RDBMSs. The same database model would be deployable to Oracle, MySQL, or SQL Server, for example. Professor Hugh Bin-Haad explains the reasoning and technology behind this.
2015-04-01
11,218 reads
Earlier today, a revolutionary product was released: a universal data integration utility.
2015-04-01
6,687 reads
I became a SQL guy back in 1998 because the company that hired me used SQL Server. It’s been a good ride and it’s paid the bills, but after 15 years or so it’s time to do something different.
2015-04-01
6,297 reads
This articles describes two ways to shred Unicode Japanese character from xls files into SQL Server table using SSIS
2015-03-31
1,361 reads
Arshad Ali demonstrates how you can use the command line interface to tune SQL queries and how you can use SQL Server Profiler to capture the workload for tuning with Database Engine Tuning Advisor.
2015-03-31
9,734 reads
This alert is raised when the number of hash warnings events in the last hour goes above a specified threshold. A hash warning event means that part of the data processed for a hash operation was written to tempdb during query execution, which can degrade SQL Server Performance.
2015-03-31
6,894 reads
In which Phil Factor illustrates in TSQL how it is possible to use foreign key constraints to enforce data rules, and illustrates some surprising consequences of using cascading.
2015-03-30
3,103 reads
When you're developing database applications, it pays to check for index scans in the SQL Server query plan cache. Once you've identified the queries, what next? Dennes Torres gives some preliminary guidelines on how to find out why these index scans are being chosen for these queries and how to make the queries run faster and more efficiently.
2015-03-30
9,858 reads
By Steve Jones
No, I’m not quitting or retiring. Just going on vacation, but I leave tonight...
By Steve Jones
I caught this interesting item over on Pinal Dave’s blog: Eleven Interview Questions that...
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Comments posted to this topic are about the item RegEx Functions IV
I have this data in a table in a SQL Server 2025 database:
EmailAddressID EmailAddress 7 dylan0@ADVENTURE-WORKS.COM 8 Diane1@ADVENTURE-WORKS.COMIf I run this query, which row(s) are returned?
SELECT top 10 * FROM person.EmailAddress WHERE REGEXP_LIKE(EmailAddress, '^D', 'i') AND BusinessEntityID IN (7,8)See possible answers