Key Information
Course Learning Skills: SQL
Brief
Prerequisites
Ideally each delegate should be familiar with the basic principles and operations (e.g. joins, sub-queries, case statements, DML, DDL) involved in Transact SQL.
Benefits
Delegates will gain an understanding of some of the more advanced features of Transact SQL as well as being able to do each of the following:
- Use queries to return complex result sets
- Manage database objects to aid query performance
- Tune queries to perform more efficiently
Duration:
2 Days
Analytical Functions
- Use of advanced summary functions
- Use of hierarchical queries
- Use of analytical summary functions, e.g. moving averages, running totals
- Use of ranking functions
Useful Database Objects
- Principles of using indexes
- How to create and maintain an index
- Use of clustered tables
- Use of partitioned tables
- Use of metadata in the master database
Query Performance Tracing
- Principles of query execution and optimisation
- Use of Execution Plan
- Use of table & index statistics
- Use of hints
Basic Data Warehouse Techniques
- Use of Indexed Views
- Use of Dimension & fact tables
- Use of Star & Snowflake designs
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