Data Warehousing Tip: Using T-SQL vs SSIS for Slowly Changing Dimension (SCD) Types 1 and 2
Here’s an example of using T-SQL to process a Slowly Changing Type 1&2 Dimension . Note: SSIS has an SCD transform...
2013-09-11
1,114 reads
Useful information and case studies covering Data Warehousing, Data Modeling, and Business Intelligence
Data Warehousing Tip: Using T-SQL vs SSIS for Slowly Changing Dimension (SCD) Types 1 and 2
Here’s an example of using T-SQL to process a Slowly Changing Type 1&2 Dimension . Note: SSIS has an SCD transform ,however, it does not process large dimensional datasets...
2013-09-11
30 reads
Data Warehousing Tip: T-SQL Script to Create DEFAULT Constraints by Data Type
There is an ongoing discussion/debate regarding the handling of NULLS in a data warehouse, however, the following article by Michelle...
2013-09-11
726 reads
Data Warehousing Tip: T-SQL Script to Create DEFAULT Constraints by Data Type
There is an ongoing discussion/debate regarding the handling of NULLS in a data warehouse, however, the following article by Michelle Poolet summarizes it beautifully – “consider the data warehouse...
2013-09-11
17 reads
Parallel Data Warehouse (PDW) Tip: Useful Appliance Queries
This post contains the following queries that support development and operational tasks within a Microsoft Parallel Data Warehousing (PDW) Appliance...
2013-04-20
6,835 reads
Data Warehousing Tip: Surrogate Key Generation
If IDENTITY insert is disabled or simply not available in a particular database or a database architecture, you’ll want to...
2013-04-12
929 reads
Data Warehousing Tip: Surrogate Key Generation
If IDENTITY insert is disabled or simply not available in a particular database or a database architecture, you’ll want to do a table based surrogate key assignment or use...
2013-04-12
17 reads
SSAS How-To: Create Dynamic Time Calculations To Reuse Over Any Measure
Rather than making individual time calculations for each measure in an SSAS cube (i.e. YTD, Prior YTD, YTD Variances, etc), one can...
2013-02-07
1,900 reads
SSAS How-To: Create Dynamic Time Calculations To Reuse Over Any Measure
Rather than making individual time calculations for each measure in an SSAS cube (i.e. YTD, Prior YTD, YTD Variances, etc), one can use a more dynamic approach to time calcs applicable to all...
2013-02-07
93 reads
SSRS How-To: Simple Method to Pass MDX Multi-Select Parameters to MDX Datasets
SSRS Tip: Simplest Method to Pass MDX Multi-Select Parameters to MDX Datasets
I recently ran across a poorly covered topic in regards...
2013-02-07
3,240 reads
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Question of the Day
Running SQLCMD II
I run this command to start SQLCMD:
sqlcmd -S localhost -E -c "proceed"At the prompt, I type this (the 1> and 2> are prompts):
1> select @@version 2> goWhat happens? See possible answers