Assessment tasks will be designed to reinforce and extend knowledge and skill competence within set and controlled parameters in accordance with each unit's learning outcomes and performance criteria requirements, including the setting of work based practical application tasks designed to provide evidence of competence outcomes, within periodic and scheduled timelines.
Students will be expected to demonstrate the following required skills:
*apply structured query language (SQL) to a relational database and gather required information according to task requirements.
In the course of the above, the candidate must:
*generate queries for one or more tables and provide required data
*add, modify, retrieve and delete records from database tables as required test and verify SQL statements.
Students will also be expected to demonstrate the following knowledge:
*organisational policies and procedures relating to SQL application including:
- identifying SQL requirements from job specifications
- testing and verifying SQL results
*features and application of primary and foreign keys in database tables, aggregate functions and clause functions required in SQL application
*principles of "combining and/or condition" in SQL statements and Boolean operators
- IN and BETWEEN conditional operators
- mathematical operators
- table joins (relationships)
*documentation techniques relevant to applying structured query language in relational databases
*SQL statement testing methodologies.