New feature in SQL Server 2012 - Sequence
A new feature in SQL Server 2012 is Sequence. A Sequence object provides functionality similar to Identity.
2012-10-22 (first published: 2012-09-11)
2,049 reads
Scripts
Show Job Run Snapshot
Show all job history between two dates. This is much easier than trying to navigate the job history log file viewer.
2012-10-19 (first published: 2012-09-17)
1,129 reads
Index Defragmentation
Index Defragmentation is one of the most important DBA tasks. This will significantly improve query performance.
2012-10-18 (first published: 2009-11-18)
12,444 reads
Read large C2 Audit Mode trace files
Here's a set of scripts that allow you to save pertinent information from SQL Server Profiler trace files.
2012-10-18 (first published: 2012-09-20)
609 reads
Port check for SQL Server connectivity
Generates a script to check connectivity between a list of SQL Server instances on a specified port.
2012-10-17 (first published: 2012-08-09)
2,088 reads
2012-10-16 (first published: 2012-09-21)
2,550 reads
Restore database with all necessary files
It creates the script for restoring your database with all the backups (full, differential and transaction log) needed.
2012-10-16 (first published: 2007-12-27)
5,015 reads
2012-10-12 (first published: 2012-09-10)
1,798 reads
Job Summary
This script lists the name, running and success status, last executed/currently executing step name, Average and Last duration, next run time and other related information about Jobs.
2012-10-10 (first published: 2011-11-02)
2,112 reads
Tables, Queues, and Indices as a Percent of DB Size
Two views that give you a variety of stats, sortable as a percent of DB size, for tables, indiceses, XML indices, and Service Broker Queues.
2012-10-09 (first published: 2008-06-16)
3,076 reads
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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
Comments posted to this topic are about the item The string_agg function
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