Arrow Electronics, Inc.

dashDB SQL for Subqueries, Functions, Procedures, and Performance

CODE: K04009G

LENGTH: 8 Hours

PRICE: kr3 040,00


This course is intended for Developers, Database Administrators, and System Programmers who require further insight into the SQL language.

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.


Please refer to course overview


This course is intended for Developers, Database Administrators, and System Programmers who require further insight into the SQL language.


dashDB SQL for Basic Queries (K04001) dashDB SQL for tables, views, advanced queries, and analytic constructs (K04004) Or equivalent experience or knowledge


1.Using Subqueries Subquery in a basic predicate Subquery with IN predicate Subquery with a NOT IN predicate Subquery with ORDER BY Subquery with ALL predicate Subquery with ANY or SOME predicate Subquery with EXISTS predicate Activity SQL challenges2. Using correlated subqueries Correlated subquery with an EXISTS predicate Scalar fullselect as a correlated subquery Update statement including a subquery Activity SQL Challenges3. Scalar functions (other than DATE/TIME functions) Scalar function � SUBSTR � substring Scalar function � POSSTR � string position Scalar function � COALESCE/VALUE Scalar function � DECIMAL Scalar function � ROUND Scalar function � DIGITS Scalar function � SQRT and POWER Scalar function � CHAR with arguments other than date/time Scalar function � LENGTH Scalar functions � LTRIM/RTRIM � Left TRIM/Right Trim Activity SQL challenges4. Scalar functions � DATE/TIME functions DATE, TIME, and TIMESTAMP formats Scalar function � CHAR with date/time arguments Scalar functions � date related (part 1) Scalar functions � date related (part 2) Scalar functions � time related Labelled DATE/TIME durations Activity SQL challenges5. Table expressions Nested table expressions Nested table expressions in Joins Common table expressions (CTEs) SQL challenges6. Recursive SQL SQL challenges7. Introduction to UDTs, UDFs, and stored procedures User-defined distinct Types (UDTs) User-defined functions (UDFs) Sourced user-defined functions External user-defined functions User-defined SQL functions User-defined stored procedures Activity SQL challenges8. SQL and dashDB performance Note on indexes dashDB optimizer Index overview Clustered and non-clustered indexes Index utilization Predicate processing General guidelines � correlated subqueries General guidelines � minimize dashDB sorts General guidelines � view usage General guidelines � expressions General guidelines � NOT EQUAL predicates General guidelines � arithmetic General guidelines � conversion General guidelines � retrieve only necessary data Monitor the SQL workload and use the EXPLAIN facility SQL challenges

Session Dates
Time Zone

14 apr 2024


Web based Training

kr 3 040,00

We also offer sessions in other countries