SSRS In a Flash - Level 1 in the Stairway to Reporting Services
Learn the basics of Reporting Services, what it is, and what it can do from you. From MVP Jessica Moss, we have a new series that can help you get started with this part of SQL Server.
SSRS In a Flash - Level 1 in the Stairway to Reporting Services
Learn the basics of Reporting Services, what it is, and what it can do from you. From MVP Jessica Moss, we have a new series that can help you get started with this part of SQL Server.
Stairway to Biml Level 3: Building an Incremental Load Package
The Stairway to BIML continues, with a lesson on how you might build a more complex package: an incremental load package.
Stairway to Biml Level 4: Using Biml as an SSIS Design Patterns Engine
In this level, we make a large leap forward, showing you how to use BIML to script a large number of packages using C#.
Stairway to Columnstore Indexes Level 10: Optimizing Queries For Batch Mode (Part 1)
In this level, Hugo Kornelis looks at how to rewrite your queries to best take advantage of batch mode.
Stairway to Columnstore Indexes Level 11: Optimizing Queries For Batch Mode (Part 2)
Hugo Kornelis continues his exploration of the types of queries that can end up running in row mode when accessing columnstore indexes. He demonstrates how careful rewriting can often yield a logically equivalent query that runs in batch mode instead, and therefore gains the best possible performance benefit.
Stairway to Columnstore Indexes Level 5: Adding New Data To Columnstore Indexes
Earlier levels have shown how Columnstore Indexes work effectively with static data. In most tables however, data is hardly ever static. We are constantly inserting new rows, and updating or deleting existing rows. If you think about what this means for a columnstore index, you will realize that this comes with some unique challenges.
Stairway to ColumnStore Indexes Level 8: Optimizing Clustered Columnstore Indexes
In Level 7, we looked at optimizing rowgroup elimination for a nonclustered columnstore index. For a clustered columnstore index, the same technique can be used but the steps and syntax change a bit. This will be covered later – but first, let’s take a look at another significant difference between nonclustered and clustered columnstore indexes, […]
Stairway to Columnstore Indexes Level 9: Batch Mode Execution
In this level, Hugo explains what batch mode execution is, how it differs from row mode execution, and what its limitations are.
Stairway to Data, Level 1: The Basics
A great deal of the confusion that occurs when a database application is developed comes from a poor understanding of the basics of data. Here, Joe Celko gives a broad coverage of the difficulties you're likely to meet when handling data in databases.
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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 1960If I run this code, how many rows are returned?
SELECT TOP 2
json_objectagg('Team' : TeamName)
FROM dbo.NFLTeams;
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