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DB2 SQL Workshop for Experienced Users

DB2 SQL Workshop for Experienced Users

Category: DB2

Description

This course teaches you how to make use of advanced SQL techniques to access DB2 databases in different environments. This course is appropriate for customers working in all DB2 environments, specifically for z/OS, Linux, UNIX, and Windows.

Audience

This intermediate course is for experienced SQL end users, application programmers, database administrators, and user support staff who need more advanced knowledge of SQL.

Duration

2.5 days

Requirements

You should have experience:

  • coding and executing basic SQL statements.
p>These skills can be developed by attending

  • SQL Workshop (CE120), or equivalent experience.

Curriculum

Introduction

  • Identify the purpose of the clauses in the SELECT statement
  • Describe the key differences among the IBM DB2 platforms
  • Describe and use some of the OLAP features of DB2, such as GROUPING functions like CUBE and ROLLUP, and the RANK, DENSE_RANK and ROW_NUMBER functions
p>Create Objects

  • Code statements to: Create tables and views, Alter tables, Create indexes, Implement referential integrity (RI), and Define triggers and check constraints
  • Identify impacts and advantages of referential integrity, including impacts of delete rules
  • Identify considerations when using triggers and check constraints
  • Define and make use of INSTEAD OF triggers
p>Join

  • Retrieve data from more than one table via inner and outer joins
  • Use outer joins (LEFT, RIGHT, FULL)
  • Use ANTI JOINS
  • Join a table to itself
  • Use UNION and UNION ALL
  • Use EXCEPT and INTERCEPT
p>CASE, CAST, Summary Tables, and Materialized Query Tables

  • Identify when CASE expressions can be used
  • Code CASE expressions in SELECT list and in the WHERE clause
  • Identify when CAST specifications can be used
  • Identify the advantages of using Summary (Materialized Query) Tables and Temporary tables
  • Identify the advantages of using Materialized Query Tables (MQTs)n
    • Identify when and how to use Temporary tables
p>Using Subqueries

  • Code subqueries using the ALL, ANY/SOME, and EXISTS keywords
  • Code correlated subqueries
  • Choose the proper type of subquery to use in each case
p>Scalar Functions

  • Extend your knowledge of scalar functions which: Manipulate arithmetic data, Manipulate date values, and Manipulate character data
  • Examples of scalar functions that are addressed in this course:n
    • SUBSTR
    • POSSTR
    • COALESCE/VALUE
    • DECIMAL
    • ROUND
    • DIGITS
    • CHAR
    • DATE/TIME
p>Table Expressions and Recursive SQL

  • Identify reasons for using table expressions and recursive SQL
  • Use nested and common table expressions
  • Identify the difference between views and table expressions
  • Code recursive SQL
  • Control the depth of recursion when coding recursive SQL
p>UDTs/UDFs and Performance

  • Describe the concepts behind User-Defined Types, User-Defined Functions and Stored Procedures
  • Predict when queries will use indexes to get better performance
  • Identify concepts of predicate processing
  • State introductory concepts about index structure
  • State general best practices advice

Classes

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Our Delivery

on site delivery

Online or On-site de

We created a personalized delivery strategy by offering blended learning

communities of practice

Communities of practice

Find a bunch of people who are on the same page with you.

engaging

Engaging

Engaging platform with gamification for collaboration and friendly competition.

interactive

Interactive

Interactive online trainings and live webinars available.

efficient

Efficient

A special learning environment can boost learning efficiency.

accesible

Accessible

Available anywhere and anytime, on your phone, computer or tablet.

Q&A

  • Can you customize courses to suit our particular requirements? Yes, of course. We offer training consultancy and we establish the most appropriate solution according to the specific needs and business objectives of your company. Contact us and we’ll find the best training solution for you.
  • Can individuals use your services or they are organized for companies?Yes, we organise open courses which can be accessed by individuals. Whether you are looking for an IT or a Business training, you can find it at Brain Concert. Moreover, you’ll meet people from the same area of work as you and we can create communities of practice, where you can share professional tips and tricks and best practices.
  • What types of trainings are available for my company? We offer a variety of courses: in the IT area, there are Agile & Lean Courses, Software Development Courses, QA Courses, Software Administration Courses and Security Courses. We also offer Business Courses, focused on the development of soft skills. Define your objectives and choose the most appropriate training for you or your company.
  • What should I know before choosing a training? You should know that we offer courses for everyone, but you have to choose according to some criteria. First, define your objectives, then, the level of the participants (basic, advanced). There are courses with some requirements attached because the participants of a training session must form a compact group in terms of their previous knowledge so that they and the trainers are on the same page.
  • What is the minimum number of participants if we want in-house training? The minimum number of participants for an in-house depends on the course type. Please contact us to establish these details.
  • Can you organize virtual training sessions or only face to face trainings? Yes, you can choose an online or offline training session. We use Knolyx, an e-learning platform to make the process of online training delivery as efficient as a face to face training session.