Naming Is Hard
Naming objects and variables in software can create contention in a team. While there are good conventions and standards, ultimately a team just needs to agree on something.
Exploring SQL Server 2016 Dynamic Data Masking – Part Two - Masking and Exporting Data in Existing Tables
Dynamic Data Masking allows you to obscure your confidential data column values at the database engine level for both new and existing SQL Server data. Being able to alter the definition of an existing column to add a masking rule makes it very simple to obscure your existing column values without even changing your application code.
Performance Surprises and Assumptions: STRING_SPLIT
SQL Server 2016 RC0 introduces a new native string splitting function, STRING_SPLIT. In this article, Aaron Bertrand compares its performance to existing methods.
A SQL Server Patching Shortcut
This post on SQL Server patching illustrates a quick and simple way of safely extracting SQL Server installation files in advance of patching a SQL Server instance.
The 2015/2016 Simple-Talk Awards
Once more Simple-Talk invites its readers to vote on the top nominations for the Simple-Talk Awards. Find out who or what has been nominated for each of this year's nine categories, and cast your vote to decide the winners - voting closes tomorrow!
Code smells versus transgressions
The oddest SQL practices can be done deliberately for good reason, but are there any that are always wrong, that are so bad that that their use should be prohibited as a matter of policy?
Move an Existing Log Shipping Database to a New Monitor Server
How to move a log shipping database to a new monitor server without removing and rebuilding the log shipping setup.
Bad Cardinality Estimates from SSMS Plans – Redux
Aaron Bertrand shares some insight about early changes to Plan Explorer that help to provide you with the most accurate information we can.
Blogs
Stop Using Pandas for Aggregations — Try DuckDB Instead
If you've ever loaded a 2 GB CSV into pandas just to run a...
Understanding Fabric Ontology
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QUOTENAME Basics: #SQLNewBlogger
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Recently I ran across some code that used a lot of QUOTENAME() calls. A...
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The New Software Team
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Database Mail in SQL Server 2022
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The string_agg function
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Question of the Day
The string_agg function
We create the following table and then insert some records in it:
create table t1 ( id int primary key, category char(1) not null, product varchar(50) ); insert into t1 values (1, 'A', 'Product 1'), (2, 'A', 'Product 2'), (3, 'A', 'Product 3'), (4, 'B', 'Product 4'), (5, 'B', 'Product 5');What happens if we execute the following query in both Sql Server and PostgreSQL?
select id,
category,
string_agg(product, ';')
over (partition by category order by id
rows between unbounded preceding and unbounded following) as stragg
from t1; See possible answers