Scripts

Technical Article

Data Driven Subscriptions in SQL RS Standard

As many of you know, data driven subscriptions is not a feature available with SQL 2000 RS Standard Edition. However, you can accomplish this using the supplied stored procedure. It may not be as pretty as the version in SQL Enterprise, but this one gets the job done, and it is very ……useful!I have not […]

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2006-11-13 (first published: )

617 reads

Technical Article

MIME64 Encoder and Decoder written in T-SSQL

Here is a MIME64 encoder function written entirely in T-SQL!© 2006 Peter Larsson, Developer Workshop, all rights reservedAs long as the copyright notice is visible within the function declarationand you include a note in the documentation of your system that thesefunctions are written by me, you may use these functions for free of charge.If you […]

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2006-11-09 (first published: )

1,075 reads

Technical Article

Parse a fixed length numeric value from a string

Specifically, I needed to parse a zip code (5-digit) from a client comments fields where the number was in different positions such as "Customer 999999999 should be at zip code 99999" and "99999 zipcode" and "should be zip code 99999 phone 9999999999". My stored procedure first filters on a [Comments] field string that contains variations […]

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2006-11-08 (first published: )

517 reads

Technical Article

Ping Linked Server

This Stored Procedure serves to verify if some error with the source of data of a Linked Server exists. In this in case,  I will use a mdb that already exists in the Office - Northwind.mdb. If we do a Link Server  concerned to this mdb, this is generated without errors . But when this […]

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2006-11-02 (first published: )

716 reads

Technical Article

Backup any/all Databases (Native AND LiteSpeed friendly)

This script can run backups for any/all databases using both SQL native and Quest's SQL LiteSpeed product. It includes options for Complete (Full), Differential, and Transaction Log backups (File and File Group backups will be coming soon). It will also clean up old backups and the msdb tables accordingly.See script for a full parameter list.NOTE: […]

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2006-10-25 (first published: )

5,181 reads

Technical Article

Data Dictionary - SQL 2005

I know there are several scripts out there showing you on how to create a data dictionary... I created this script for creating a data dictionary for SQL 2005. It stores the data into a table in the database that you choose. The script only stores the table name, column name, default value of the […]

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2006-10-24 (first published: )

3,128 reads

Technical Article

Find Nth Occurrence of Character Function (Set Based)

This function was originally contributed by other visitors. Below is an example of a set based approach to the problem. This script requires a numbers table (see SqlServerCentral article http://www.sqlservercentral.com/columnists/mcoles/2547.asp for more details)Please note that this code is uses SQL2005 featuresEnjoy!Robert Caryhttp://tsqlland.blogspot.com

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2006-10-20 (first published: )

558 reads

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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;

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