TechTips / Database


TechTip: Data Warehouse Updates from IBM i Using SSIS PDF Print E-mail
Tips & Techniques - Database
Written by Thomas Snyder   
Thursday, 26 May 2016 23:00

Point-and-click your way to repeatable data updates to or from any database from your DB2 database.

tom snyderWritten by Tom Snyder

One common theme I’ve experienced through several RPG developer jobs is to provide data to an external data warehouse from the all-knowing DB2 database. Other common needs may be to supply member information to a website or to some third-party software. Sometimes these would be DB2 databases, and sometimes they wouldn't. I'm going to show you how to quickly set up a SQL Server Integration Services (SSIS) package to take care of this process for you.

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Last Updated on Thursday, 26 May 2016 23:00
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TechTip: DB2 for i Optimization Strategies, Part 3 PDF Print E-mail
Tips & Techniques - Database
Written by Michael Sansoterra   
Thursday, 26 May 2016 23:00

Learn ways to keep your database code lean and mean, resulting in better performance.

Written by Michael Sansoterra

This third tip in the series continues where Part 1 and Part 2 left off. Presented herein are some general guidelines for how to make your database code purr like a kitten.

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Last Updated on Wednesday, 25 May 2016 10:15
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TechTip: Sample Questions and Answers from the DB2 Certification Guide PDF Print E-mail
Tips & Techniques - Database
Written by Mohankumar Saraswatipura   
Thursday, 05 May 2016 23:00

Do you know what's required to be an LUW database administrator? Read on.

mohan saraswatipuraWritten by Mohankumar Saraswatipura

Editor's note: This article is an excerpt from the book DB2 10.1/10.5 for Linux, UNIX, and Windows Database Administration (Exams 611 and 311): Certification Study Guide.

 

Q1. Which command sets the automatic instance restart every time the server is restarted?

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Last Updated on Thursday, 05 May 2016 11:25
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TechTip: i Illuminate 7.3 – Time-Turner PDF Print E-mail
Tips & Techniques - Database
Written by Scott Forstie   
Thursday, 21 April 2016 23:00

Traveling back in time is easy and can answer important questions. Take the next step with Scott on this journey through the castle.

Written by Scott Forstie

Glad you could join me for episode two of this series. When I last talked to you, I had just learned what house the Sorting Hat had chosen for me. In an unexpected turn of events, I am bound for the house of Slytherin. Unlike some before me, I don’t resist the decision, bowing to the wisdom of the enchanted hat. Perhaps I’m comforted by the knowledge that my path will be influenced by future decisions that I can control.

 

My housemates welcome me with open arms and wary looks. After some time has passed, I have settled into a routine of training and competition. I am intrigued by the possibilities that lie before me. Much like my life here in the castle, DB2 for i on IBM i 7.3 provides similar opportunities for new adventures.

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Last Updated on Thursday, 21 April 2016 23:00
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TechTip: SSIS Data Sources for IBM i DB2 and Microsoft SQL Databases PDF Print E-mail
Tips & Techniques - Database
Written by Thomas Snyder   
Friday, 08 April 2016 00:00

Here’s a reusable reference for connecting your SSIS to your IBM and Microsoft databases.

tom snyderWritten by Tom Snyder

I’ve been introducing the Microsoft SSIS technologies to the IBM community, who is showing interest, and I would like to continue providing more. Modular programming is always a good thing, so I’m going to try to reduce the initial data source configuration overhead in my articles by creating this reusable, modular article that is the starting point for any SSIS packages using databases.

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Last Updated on Wednesday, 06 April 2016 09:43
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TechTip: DB2 for i Optimization Strategies, Part 1 PDF Print E-mail
Tips & Techniques - Database
Written by Michael Sansoterra   
Friday, 01 April 2016 00:00

Avoid common SQL programming mistakes that can drag application performance.

Written by Mike Sansoterra

As databases grow larger over time, users and administrators often witness a decrease in performance. A query that once performed well when it was first written eventually becomes lethargic. In this series of tips, I will discuss some common goofs that can take the wind out of your database sails.

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Last Updated on Friday, 01 April 2016 00:00
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TechTip: Implementing JSON in DB2 Made Easy PDF Print E-mail
Tips & Techniques - Database
Written by Mohankumar Saraswatipura   
Friday, 18 March 2016 00:00

DB2 JSON is simple to implement and maintain.

mohan saraswatipuraWritten by Mohankumar Saraswatipura

Editor's note: This article is an excerpt from the book DB2 10.1/10.5 for Linux, UNIX, and Windows Database Administration (Exams 611 and 311): Certification Study Guide.

 

IBM DB2 10.5 FP1 introduced JSON support. DB2 JSON provides a complete storage/persistence solution for JSON documents. The solution combines application server-side components with JSON enhancements and functions in the DB2 engine.

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Last Updated on Friday, 18 March 2016 00:00
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TechTip: How to Change a Database Code Set PDF Print E-mail
Tips & Techniques - Database
Written by Mohankumar Saraswatipura   
Friday, 12 February 2016 00:00

Learn how to migrate data from a non-Unicode database to a Unicode database.

mohan saraswatipuraWritten by Mohankumar Saraswatipura

Editor's note: This article is an excerpt from the book DB2 10.1/10.5 for Linux, UNIX, and Windows Database Administration (Exams 611 and 311): Certification Study Guide.

 

 Both BLU and pureScale require databases to be Unicode, so you should create all new databases as Unicode. Chances are good that the requirement to convert data to a Unicode code set will happen. Because a database cannot be altered to a different code set, this will mean you must unload and load the data.

 

 In the past, string units of character data have been stored in a relational database in bytes. So for a single-byte character set (SBCS), each character represents one byte. The string unit of the column data type is a byte, sometimes referred to as an octet.

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Last Updated on Thursday, 11 February 2016 12:42
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