Scripts

Technical Article

MOM SCDWgroom Enhancement

It might not be useful now, but if you ever wanted to downsize the amount of data that you keep in your datawarehouse, good luck.  This will help you do that.  This job is set to shrink it down to 120 days, but you can adjust it as you like.  Runs again in 5 day […]

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2007-10-16 (first published: )

549 reads

Technical Article

Automate Scripting with SQL Scripter

SQL Scripter is an open-source console tool for generating SQL Server DDL. Written in C# using .NET 2.0, SQL Scripter provides front-ends for MSBuild, NAnt and the Windows command line. Each front end supports syntax for specifying which types of database objects to script, including all objects of a type or directly named instances.SQL Scripter […]

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2007-10-12 (first published: )

6,282 reads

Technical Article

Find Column Usage

When changing schema or modifying an application it is often necessary to determine when a column from a specific table is used.  This procedure produces a formatted report (when outputting from query analyzer or management studio in text mode) that specifies all of the procedures, views, functions and triggers that use the designated table.column.

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2007-10-10 (first published: )

7,430 reads

Technical Article

Auto Auditing on Tables

This is something that I find very useful and saves me a lot of time.This procedure needs to be created on the Database that holds the table that you wish to Audit. This procedure when called will create an audit table based on your source table in a database of your choice. All update/delete and […]

(8)

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2007-10-03 (first published: )

9,267 reads

Technical Article

Creating BCH Files for Veritas Direct to Tape

This script was written to solve a problem where we needed to dynamically create bch files for Veritas Backups direct to tape backups.  We needed to parse the sysdatabases daily and create the bch files that veritas would use to backup each server and database.  This SQL Script uses xp_cmdshell to call a windows shell […]

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2007-10-02 (first published: )

460 reads

Technical Article

create an insert statement

Many times we are required to write lenghty insert statements for tables with many columns. This script will create an insert statement for u.It takes 2 parameters first tbale name and second the ordinal positions of the columns seperated by ','for example USP_GenerateInsert 'TabName' ,'1,2,3,4,5'Hope this is Helpful

(6)

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2007-10-01 (first published: )

1,750 reads

Technical Article

Extracting words with removal of punctuations

Extracting words of a string with removal of unwanted punctuations.This is a flexible function to extract words from a string and tested on both SQL 2000 and 2005As you see the logic of this function is very simple. Maybe the update statement seems strange to beginners because it does not update any field of underlying […]

(2)

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2007-09-26 (first published: )

1,307 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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