Dynamically Create Warehouse Dimensions
Here's a data warehouse design pattern to speed up multi-value dimension creation.
2017-11-13
1,416 reads
Articles
Missing Data
In the real world of business or scientific reporting and analysis, data can prove to be awkward. It can be plain wrong or it can be altogether missing. Sure, we have the NULL to signify unknown, but that doesn't play well with regular business reporting. There are a number of ways of dealing with missing information, and methods of estimating data from existing data has a long and respectable history. Joe Celko gets to grips with a data topic that is often treated with some trepidation.
2017-11-13
4,133 reads
Advanced Analytics with R & SQL: Part I - R Distributions
Build and Operationalize scalable Predictive models and intelligent applications using SQL and R.
2017-11-10 (first published: 2016-10-31)
3,406 reads
Mixing MongoDB and Relational Databases in the Enterprise
Your Agile developers want MongoDB, or a similar document database: your Ops people are concerned about security and backup, and Governance are muttering about transactionality and data transfer between systems. Do you restrict your developers from rapidly-evolving the data design for their domain or do you embrace the joys of NoSQL unconditionally? If you accept a polyglot database environment, where the NoSQL lambs coexist with the relational lions, how do you provide tools and common database concepts that everyone can use and understand?
2017-11-10
3,389 reads
Change Integer to BigInt on a Very Large Table
This article will show how to change the data type of a column when the table contains more than 1 billion records.
2017-11-09
5,491 reads
How to Do a SQL Server Architecture Review
How do you get management to help you figure out if a cluster or an AG is right for you? In this post, Brent Ozar explains the steps involved when doing a review of your SQL Server architecture.
2017-11-09
7,002 reads
SQL Server R Services: Working with Data Frames
Although you can get started with R in SQL Server without understanding data frames, they are a key structure of the R language that are the equivalent of SQL Server table variables. They give you many ways of manipulating and analyzing data and passing it between R and SQL Server. For a database professional, they provide a clear and familiar concept when getting to grips with integrating R into the database.
2017-11-08
3,412 reads
Protecting SQL Server Data
This book holds the key to "encryption without fear". In it, John Magnabosco sweeps away some of the misconceptions surrounding SQL Server's encryption technologies, and demonstrates that, when properly planned and implemented, they are an essential tool in the DBA's fight to safeguard sensitive data.
2017-11-07
3,009 reads
Dynamic Data Masking on Azure SQL Database
Azure SQL Database’s Dynamic Data Masking (DDM) feature limits the exposure of sensitive information to non-privileged users. DDM can mask either the full value or partial value in a column. This method can also mask Social Security and Credit Card Numbers without making any changes to the application. Read on to learn more.
2017-11-07
2,210 reads
Name Value Pairs Table Handling
While Name Value Pairs Tables are anathema to Relational Database professionals, it is sometimes useful to consider such a structure in a production application.
This article illustrates the use of User-defined Table Type to improve such handling.
2017-11-06
5,897 reads
Blogs
Advice I Like: Ranch Rules
By Steve Jones
Leave a gate behind you the way you first found it. – from Excellent...
Fix Slow, Bloated MSDB: Purge Old History And Add Missing Indexes
By SQLPals
Fix Slow, Bloated MSDB: Purge Old History And Add Missing Indexes ...
Three Ways to Use Snowflake Data in Microsoft Fabric
By James Serra
Organizations increasingly want Snowflake and Microsoft Fabric to coexist without duplicating data or fragmenting...
Forums
SSIS 2019 or 2022 - Microsoft Connector for Oracle
Hello all, I am having one heck of a time installing Microsoft Connector for...
bringing a .bak across the wire without rdp'ing or mapping into the sql server
hi, a peer of mine would like to be self sufficient in bringing small...
Automating Database Cleanup for PostgreSQL Using Python
Comments posted to this topic are about the item Automating Database Cleanup for PostgreSQL...
Question of the Day
The Query Optimizer and Page Density
If I have a fillfactor set to 70%, this reduces my page density to roughly 70%. Does this affect the query plans that the optimizer chooses?
See possible answers