dashDB SQL for Functions, Grouping, Union, Subqueries and Updates – eLearning – K04003G WBT

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Details


Course Code: K04003G

Brand: HDM – DashDB

Category: Analytics

Skill Level: Basic

Duration: 8.0H

Modality: WBT

 

 

Audience


Developers, Database Administrators, System Programmers

 

Prerequisites


dashDB SQL for Basic Queries or equivalent experience or knowledge

 

Short Summary


This course teaches developers, database administrators, and system programmers various features of SQL, including column functions, grouping, unions, subqueries, and maintaining data.

 

Overview


This course teaches developers, database administrators, and system programmers various features of SQL, including column functions, grouping, unions, subqueries, and maintaining data.

Note: Guided eLearning is a self-paced offering which includes web-based content for self-study and videos (including audio) that demonstrate activities.

If you are enrolling in a Self Paced Virtual Classroom or Web Based Training course, before you enroll, please review the Self-Paced Virtual Classes and Web-Based Training Classes on our Terms and Conditions page, as well as the system requirements, to ensure that your system meets the minimum requirements for this course. http://www.ibm.com/training/terms

 

Topic


1. dashDB environment
2. Column functions and grouping
   • SQL functions
   • Beware of NULLs
   • GROUP BY and HAVING
   • Important rule for column functions
   • Restrictions
   • Conceptual execution of a SELECT
   • SQL challenges
   • SQL challenges – solutions
3. UNION
   • Single report
   • UNION rules
   • UNION vs UNION ALL
   • SQL challenges
   • SQL challenges – solutions
4. Using subqueries
   • Subqueries
   • Subquery predicates
   • Restrictions and reminders
   • SQL challenges
   • SQL challenges – solutions
5. Maintaining data
   • Working data
   • Views
   • Working with the data
   • Prototyping change SQL with a unit of work
   • Reminders
   • SQL challenges
   • SQL challenges – solutions

 

Objectives


Please refer to course overview

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