SQL Server 2005 Integration Services - Lookup Transformation - Part 33
Continuing the overview of Data Flow components in SQL Server 2005 Integration Services, this installment focuses on the Lookup transformation.
2006-10-02
1,785 reads
Integration Services (SSIS)
Integrating Database Snapshots into Integration Services
Database snapshots provide a handy way to provide data integrity for Integration Services. In this presentation, Brian shows you how to create a package that can "self-heal". In the event of any problem, the database will automatically roll back to a pre-ETL snapshot.
2006-09-29
2,186 reads
File Watcher Task
The File Watcher Task does what it says really, it watches a folder waiting for files. When an available file is found the task completes, returning the name of the file for later use.
2006-09-28
2,425 reads
Using Transactions in SSIS
In SSIS demostration, you can wrap a package or container in a MS DTC transaction. This type of transaction ensures that if a problem occurs in a package, your data can roll back to a prior state.
2006-09-22
1,808 reads
Using the For Each ADO Enumerator
In this video, you'll learn how to use the For Each ADO enumerator in SSIS to loop through a table and reconfigure the package based on the rows in the table. You can use this type of example to store meta data about your client and reconfigure the package for each client dynamically.
2006-09-21
1,758 reads
Clustering SSIS
By default, SSIS is not an easily cluster-aware product. In this video, Brian shows you how to cluster the service and make it highly available.
2006-09-14
1,754 reads
SQL Server 2005 Integration Services - Message Queue Task - Part 32
After concluding a broad overview of various aspects of SQL Server 2005 Integration Services, part 32 of this series focuses on individual components that have more specialized, but very useful characteristics, starting by discussing the Message Queue Control Flow task, and following with coverage of a number of Data Flow transformations.
2006-09-11
1,581 reads
Looping Through and Loading Files with SSIS
In this presentation, you'll learn how to use the ForEach Loop Container to loop through a folder and load each file in the directory. This presentation uses variables to dynamically configure the package so nothing is hard coded.
2006-08-30
2,171 reads
SQL Server 2005 Integration Services - Performance - Part 30
The superiority of SSIS over DTS goes beyond functionality alone, providing numerous efficiency benefits, which we will present in more detail in this article.
2006-08-28
2,056 reads
2006-08-15
1,176 reads
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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