Scripts

Technical Article

Reporting Services Extras Bug - Date Sort Problem

SQL Server's Reporting Services comes with some pre-built reports to be able to monitor who is doing what with your Reporting Services Server. You can find these reports in the \Extras\Execution Log Sample Reports folder on the product CD-ROM (http://msdn.microsoft.com/library/default.asp?url=/library/en-us/rsadmin/htm/arp_rslogfiles_v1_88gy.asp). One of the reports is titled "Todays Reports" (Todays Reports.rdl/pToday Dataset). It should show the […]

(1)

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2005-01-27 (first published: )

893 reads

Technical Article

Use of regular expressions in TSQL -- version 2

This script creates 2 new system functions ****************************************** NEW: 1. functions will be case sensitive if database is 2. Replace all or only first occurence ****************************************** fn__regexp_test(@String,@Pattern) returns int execute the method test(@String) on the regular expressions @Pattern returns : 0 : no match 1 : match null : one of the parameters was null […]

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2005-01-26 (first published: )

520 reads

Technical Article

Add Wildcards to Advanced Search Stored Procedure

I have found that I can add wildcard support to the Advanced Search Stored Procedure submitted by jgroseth (Posted: 07/02/2004) here:http://www.sqlservercentral.com/scripts/contributions/1201.aspby simply modifying "charindex( c.string," to "patindex('%' + c.string + '%'"I did this to take varying whitespace into account since SQL server does not care about whitespace, for example "INSERT INTO DATABASE_MYTABLE" could have any […]

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2005-01-25 (first published: )

514 reads

Technical Article

Generate Random Alphanumeric String

Here's a short script to generate a random alphanumeric string based on newid(). The procedure takes in length (@len) which determines the key length. Length must be between 8 and 32. Result is returned in an output parameter. A test script is supplied.

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2005-01-24 (first published: )

1,282 reads

Technical Article

t-sql function to parse string data

The below function can be used to parse or split out data from a delimited string. The function takes in 3 parameters. The text you want to parse, the 1 character delimiter, and the total count of objects in the text.Text for function is set at size of varchar(2000), feel free to make bigger if […]

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2005-01-19 (first published: )

1,878 reads

Technical Article

USER PROCESS CHECK (COMPLETE)

The following runable script is a very simple way to track SPID's and PROCESS information (VERY BASIC) in a small target (Local) database.1. Creates a small database 1.1 must set MDF and LDF (File location information) specific to the drive and file folder locations for each server2. Sets All db options3. Creates single table to […]

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2005-01-14 (first published: )

223 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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