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Learning objective

Manipulate data effectively. Students should be capable of: Performing calculations by utilizing arithmetic operations or numeric functions, which includes creating calculated fields and controls. Employing formulae and functions to execute calculations in real-time, such as addition, subtraction, multiplication, division, as well as determining sum, average, maximum, minimum, and count. Sorting data based on one or multiple criteria to arrange it in either ascending or descending order. Searching and selecting data by applying one or multiple criteria to extract specific subsets using queries, and conducting searches with various operators like AND, OR, NOT, LIKE, >, <, =, >=, <=, and <>. Additionally, using wildcards in searches.

Read the explanation, check the common trap, then practise with flashcards and questions.

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  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE Information and Communication TechnologyDatabases

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Quick explanation

Manipulate data effectively. Students should be capable of: Performing calculations by utilizing arithmetic operations or numeric functions, which includes creating calculated fields and controls. Employing formulae and functions to execute calculations in real-time, such as addition, subtraction, multiplication, division, as well as determining sum, average, maximum, minimum, and count. Sorting data based on one or multiple criteria to arrange it in either ascending or descending order. Searching and selecting data by applying one or multiple criteria to extract specific subsets using queries, and conducting searches with various operators like AND, OR, NOT, LIKE, >, <, =, >=, <=, and <>. Additionally, using wildcards in searches

  • This point belongs to Manipulate data, especially Manipulate data outcomes.
  • You need to be able to manipulate data effectively. Students should be capable of: Performing calculations by utilizing arithmetic operations or numeric functions, which includes creating calculated fields and controls. Employing formulae and functions to execute calculations in real-time, such as addition, subtraction, multiplication, division, as well as determining sum, average, maximum, minimum, and count. Sorting data based on one or multiple criteria to arrange it in either ascending or descending order. Searching and selecting data by applying one or multiple criteria to extract specific subsets using queries, and conducting searches with various operators like AND, OR, NOT, LIKE, >, <, =, >=, <=, and <>. Additionally, using wildcards in searches.
  • The key ideas to know are Demonstrate, Explain, and Identify.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DemonstrateExplainIdentifySuggest

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Paper 1 structured question: Manipulate data

Paper 1Theory2 marks

Description

Sales Data Table

The table records sales transactions including the product name, quantity sold, and price per unit.

ProductQuantity SoldPrice per Unit
Pen1000.50
Notebook501.20
Eraser750.30
Marker401.00
  1. a

    Describe How would you create a calculated field to find the total sales for each product?

    Aim for approximately 2 distinct marking points.

    [2]
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