Additional Articles


Technical Article

Using T-SQL CROSS APPLY and OUTER APPLY

That said, even though my personal focus is pretty much OO, I still miss stuff. SQL Server 2005 came out with the CROSS APPLY and OUTER APPLY operators and I have just started learning how to use APPLY in the last month or so. When I think I have it figured out, I am fortunate enough that some of you are interested in reading about my understanding of the technology.

2009-11-06

7,434 reads

External Article

SQL Server Unique Constraints for Large Text Columns

We are storing large text and URLs that are over 900 bytes in some of our tables and have a requirement to enforce uniqueness in those columns. But SQL Server has a limitation that index size can't be over 900 bytes. How do I enforce uniqueness in these columns and is it possible to achieve this in SQL Server 2005 and above? What are my different options to solve this problem? I heard that we can use CHECKSUM to create a hash, but is it possible to avoid collisions in the hash value as we are storing millions of rows?

2009-11-05

3,006 reads

External Article

SQL Server Reporting Services Disaster Recovery Case Study

There are many ways to perform disaster recovery with Microsoft SQL Server Reporting Services (SSRS). Based upon customer experience and internal testing, this technical note provides guidance around best practices to design and manage robust end-to-end disaster recovery (DR). This DR method will involve both automatic and manual failover in the form of content switches, SQL Server failover clustering, and database mirroring. This case study focuses on the lessons learned from CareGroup Healthcare System.

2009-11-02

2,310 reads

External Article

Using SQL Server 2008 Reporting Services with SAP NetWeaver Business Intelligence

This paper discusses the integration of SAP NetWeaver BI ® with Microsoft ® SQL Server ® 2008 Reporting Services (SSRS). The paper provides an overview of using the Reporting Services SAP Netweaver BI data provider and related query designer, to build high quality reports against SAP NetWeaver BI sources. For Reporting Services users who are new to working with SAP NetWeaver BI, this paper will help you connect and build datasets. For users already familiar with SAP NetWeaver, the paper will show how some of that system’s notable features can be leveraged in Reporting Services reports. It also presents some tips and tricks that can help you make the most of the integration between the two products.

2009-11-02

2,111 reads

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Question of the Day

Creating a JSON Document III

I have this data in a table called dbo.NFLTeams

TeamID  TeamName       City             YearEstablished
------  --------       ----             ---------------
1       Cowboys        Dallas           1960
2       Eagles         Philadelphia     1933
3       Packers        Green Bay        1919
4       Chiefs         Kansas City      1960
5       49ers          San Francisco    1946
6       Broncos        Denver           1960
7       Seahawks       Seattle          1976
8       Patriots       New England      1960
If I run this code, how many rows are returned?
SELECT TOP 2 
  json_objectagg('Team' : TeamName)
FROM dbo.NFLTeams;

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