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SOUTH AFRICAN QUALIFICATIONS AUTHORITY 
REGISTERED UNIT STANDARD THAT HAS PASSED THE END DATE: 

Design complex tables and queries using a graphical user interface (GUI) based database to solve a given problem 
SAQA US ID UNIT STANDARD TITLE
258881  Design complex tables and queries using a graphical user interface (GUI) based database to solve a given problem 
ORIGINATOR
SGB Computer Sciences and Information Systems 
PRIMARY OR DELEGATED QUALITY ASSURANCE FUNCTIONARY
-  
FIELD SUBFIELD
Field 10 - Physical, Mathematical, Computer and Life Sciences Information Technology and Computer Sciences 
ABET BAND UNIT STANDARD TYPE PRE-2009 NQF LEVEL NQF LEVEL CREDITS
Undefined  Regular  Level 4  NQF Level 04  5 
REGISTRATION STATUS REGISTRATION START DATE REGISTRATION END DATE SAQA DECISION NUMBER
Passed the End Date -
Status was "Reregistered" 		 2018-07-01  2023-06-30  SAQA 06120/18 
LAST DATE FOR ENROLMENT LAST DATE FOR ACHIEVEMENT
2024-06-30   2027-06-30  

In all of the tables in this document, both the pre-2009 NQF Level and the NQF Level is shown. In the text (purpose statements, qualification rules, etc), any references to NQF Levels are to the pre-2009 levels unless specifically stated otherwise.  

This unit standard does not replace any other unit standard and is not replaced by any other unit standard. 

PURPOSE OF THE UNIT STANDARD 
This Unit Standard is intended for people who need to plan, produce and use small scale databases using a GUI based database application.

A person credited with this unit standard is capable to:
  • Demonstrating an understanding of relational database theory.
  • Analysing unstructured data not populated to a relational database model.
  • Creating queries using specific functions.
  • Creating different types of queries.
  • Creating parameter queries and adding calculated fields.
  • Creating basic select queries using simple SQL syntax. 
    		•

    LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING 
    It is assumed that the learner is competent in the following:
  • Mathematical Literacy at NQF Level 3.
  • Communication at NQF Level 3.
  • Knowledge of GUI based database application. 
    		•

    UNIT STANDARD RANGE 
  • The design refers to all small to mid scale relational databases with a GUI.
  • This standard is applicable to any application that runs on any Graphical User Interface (GUI) operating systems.
  • Where wording is not exact for the chosen operating system or application, the learner can choose the equivalent item or option to demonstrate competence in the specific outcome or assessment criteria. 
    		•

    Specific Outcomes and Assessment Criteria: 

    SPECIFIC OUTCOME 1 
    Demonstrate an understanding of relational database theory. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Data is organised in a relational database using the rules of normalisation. 

    ASSESSMENT CRITERION 2 
    Relationship types are analysed in terms of their optimal implementation in database design. 
    ASSESSMENT CRITERION RANGE 
    Relationship types include one-to-many, one-to-one, many-to-man.
     

    ASSESSMENT CRITERION 3 
    The use of keys and indexes are analysed as to avoid redundancy and to speed up data access. 
    ASSESSMENT CRITERION RANGE 
    Keys and indexes include primary keys, unique records.
     

    SPECIFIC OUTCOME 2 
    Analyse unstructured data not populated to a relational database model. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Unstructured data is analysed to determine the structure of the database. 

    ASSESSMENT CRITERION 2 
    Data is categorised and the relevant tables are created to optimise access to the data. 

    ASSESSMENT CRITERION 3 
    Data fields are created taking into account the data types, indexes and keys. 
    ASSESSMENT CRITERION RANGE 
    Data types, indexes and keys include but are not limited to data types, primary key, format, default value, validation rule.
     

    ASSESSMENT CRITERION 4 
    Tables are normalised in accordance with the normalisation rules. 

    ASSESSMENT CRITERION 5 
    A relationship diagram is created and relationships implemented between tables. 
    ASSESSMENT CRITERION RANGE 
    Creation includes join types, referential integrity.
     

    SPECIFIC OUTCOME 3 
    Create queries using specific functions. 
    OUTCOME NOTES 
    Specific functions include multiple tables, comparison and logical operators. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Built-in functions of the database program are used to shape data and constrain results. 
    ASSESSMENT CRITERION RANGE 
    Functions include but are not limited to date and time functions, text manipulation, inspection functions.
     

    ASSESSMENT CRITERION 2 
    Comparison and logical operators are implemented to constrain results to a specified range. 
    ASSESSMENT CRITERION RANGE 
    Logical operators include Equals, Greater Than, Less Than, Is Null, Is Not Null, and Like, And, Or, Not).
     

    ASSESSMENT CRITERION 3 
    A query is constructed using multiple tables. 
    ASSESSMENT CRITERION RANGE 
    Constructing includes related fields, join types.
     

    SPECIFIC OUTCOME 4 
    Create different types of queries. 
    OUTCOME NOTES 
    Types of queries include sub-queries, cross tab queries, duplicate and unmatched queries. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    A sub-query is created by using criteria resulting from another query. 
    ASSESSMENT CRITERION RANGE 
    Sub-query is created by amongst others checking values against a lookup table, comparing values against other values.
     

    ASSESSMENT CRITERION 2 
    A cross tab query is created by using specific tool provided by GUI relational database to pivot the existing data. 

    ASSESSMENT CRITERION 3 
    A query is created to find duplicates in a table. 

    ASSESSMENT CRITERION 4 
    An unmatched query is created to find values with no matching value in a related table. 

    SPECIFIC OUTCOME 5 
    Create parameter queries and adding calculated fields. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    A parameter query is created to constrain the result set by way of entering a constraint in a textbox. 

    ASSESSMENT CRITERION 2 
    A new field is created in a query by using an aggregation of existing fields by means of arithmetic calculations. 

    ASSESSMENT CRITERION 3 
    A new field is created in a query by using an aggregation of existing fields by means of text manipulation. 

    SPECIFIC OUTCOME 6 
    Create basic select queries using simple SQL syntax. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    A simple select statement is used to retrieve data. 
    ASSESSMENT CRITERION RANGE 
    Selection processes include but are not limited to the use of keywords, select, from.
     

    ASSESSMENT CRITERION 2 
    A simple select statement is used to retrieve data using constraints. 
    ASSESSMENT CRITERION RANGE 
    Constraints include where, order by.
     

    ASSESSMENT CRITERION 3 
    The distinct keyword is used to return one record. 


    UNIT STANDARD ACCREDITATION AND MODERATION OPTIONS 
  • An individual wishing to be assessed (including through RPL) against this Unit Standard may apply to an assessment agency, assessor or provider institution accredited by the relevant ETQA, or an ETQA that has a Memorandum of Understanding with the relevant ETQA.
  • Anyone assessing a learner against this Unit Standard must be registered as an assessor with the relevant ETQA or with an ETQA that has a Memorandum of Understanding with the relevant ETQA.
  • Any institution offering learning that will enable achievement of this Unit Standard or assessing this Unit Standard must be accredited as a provider with the relevant ETQA or with an ETQA that has a Memorandum of Understanding with the relevant ETQA.
  • Moderation of assessment will be conducted by the relevant ETQA at its discretion. 
    		•

    UNIT STANDARD ESSENTIAL EMBEDDED KNOWLEDGE 
  • Policies, procedures and requirements of the organisations.
  • Ethical codes of relevant professional bodies.
  • Relevant legislative and/or regulatory requirements.
  • Nature of electronic information.
  • The basic structure of a relational database.
  • Creating tables for the use of an end user.
  • Creating queries to illustrate trends and draw conclusions.
  • A basic SELECT statement as to generate interest in the more advanced use of SQL syntax.
  • Preserving documents.
  • Locations and functions of menu items.
  • Implications of application and formatting settings.
  • Relevant application packages.
  • Performance of all elements is to be carried out in accordance with organisation standards and procedures, unless otherwise stated. Organisation standards and procedures may cover: quality assurance, documentation, security, communication, health and safety, and personal behaviour.
  • Performance of all elements complies with the laws of South Africa, especially with regard to copyright, privacy, health and safety, and consumer rights.
  • Performance of all elements is to be completed within the normal range of time and cost that would be expected in a professional environment (e.g. In a commercial or government organisation). 
    		•

    UNIT STANDARD DEVELOPMENTAL OUTCOME 
    N/A 

    UNIT STANDARD LINKAGES 
    N/A 


    Critical Cross-field Outcomes (CCFO): 

    UNIT STANDARD CCFO IDENTIFYING 
    Identifying and solving problems in which responses display that responsible decisions using critical and creative thinking have been made when:
  • Analyse unstructured data not populated to a relational database model. 
    		•

    UNIT STANDARD CCFO WORKING 
    Working effectively with others as a member of a team, group, organisation, and community during:
  • Data is organised in a relational database using the rules of normalisation. 
    		•

    UNIT STANDARD CCFO ORGANISING 
    Organising and managing oneself and one's activities responsibly and effectively when:
  • Data is identified and sourced to create charts/graphs for use in presentations. 
    		•

    UNIT STANDARD CCFO COLLECTING 
    Collecting, analysing, organising and critically evaluating information when:
  • Comparison and logical operators are implemented to constrain results to a specified range. 
    		•

    UNIT STANDARD CCFO COMMUNICATING 
    Communicating effectively using visual, mathematical and/or language skills in the modes of oral and/or written persuasion when:
  • The use of keys and indexes are analysed as to avoid redundancy and to speed up data access. 
    		•

    UNIT STANDARD CCFO SCIENCE 
    Using science and technology effectively and critically, showing responsibility towards the environment and health of others when:
  • A relationship diagram is created and relationships implemented between tables. 
    		•

    UNIT STANDARD CCFO DEMONSTRATING 
    Demonstrating an understanding of the world as a set of related systems by recognising that problem-solving contexts do not exist in isolation when:
  • Relationship types are analysed in terms of their optimal implementation in database design. 
    		•

    UNIT STANDARD ASSESSOR CRITERIA 
    N/A 

    REREGISTRATION HISTORY 
    As per the SAQA Board decision/s at that time, this unit standard was Reregistered in 2012; 2015. 

    UNIT STANDARD NOTES 
    N/A 

    QUALIFICATIONS UTILISING THIS UNIT STANDARD: 
      ID QUALIFICATION TITLE PRE-2009 NQF LEVEL NQF LEVEL STATUS END DATE PRIMARY OR DELEGATED QA FUNCTIONARY
    Elective  61591   National Certificate: Information Technology: End User Computing  Level 3  NQF Level 03  Passed the End Date -
    Status was "Reregistered"     		 2023-06-30  As per Learning Programmes recorded against this Qual 


    PROVIDERS CURRENTLY ACCREDITED TO OFFER THIS UNIT STANDARD: 
    This information shows the current accreditations (i.e. those not past their accreditation end dates), and is the most complete record available to SAQA as of today. Some Primary or Delegated Quality Assurance Functionaries have a lag in their recording systems for provider accreditation, in turn leading to a lag in notifying SAQA of all the providers that they have accredited to offer qualifications and unit standards, as well as any extensions to accreditation end dates. The relevant Primary or Delegated Quality Assurance Functionary should be notified if a record appears to be missing from here.
     
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    16. Bokamoso Skills and Economic Development Centre 
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    54. iLearn Corporate Services PTY LTD 
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    57. IT Academy 
    58. IT-HI-Q Training (PTY) Ltd 
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    61. K Boneng Consulting Services P 
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    66. L and P Computer Academy Pty Ltd 
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    68. LIMPOPO COMPUTER COLLEGE BK 
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    73. Masakhane Training and Consult 
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    All qualifications and part qualifications registered on the National Qualifications Framework are public property. Thus the only payment that can be made for them is for service and reproduction. It is illegal to sell this material for profit. If the material is reproduced or quoted, the South African Qualifications Authority (SAQA) should be acknowledged as the source.