Apidays New York 2024 - Accelerating FinTech Innovation by Vasa Krishnan, Fin...
Chapter 6 (information system) answer
1. Learning area 6: INFORMATION SYSTEMS (FORM 5) DEFINITION: DATA: like raw material, it is not organized and has a little Value. Include text, numbers, images, audio, video. INFORMATION: is organized data that is valuable and Meaningful to a specific user. INFORMATION SYSTEM: is a set of related components that collects Data, processes data and provides information. Collect data Process data Provide Information
5. 5 types of Information System Transaction Processing System (TPS) Expert System (ES) Management Information System (MIS) Decision Support System (DSS) Executive Information System (EIS)
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7. BIT BYTE FIELD RECORD FILE Binary digit (bit) Electronic charge 0 OFF 1 ON ASCII Symbol 00110000 0 00110001 1 Customer ID Name C001 Ali C002 Ahmad Address Phone no. Engkilili 019-2223333 Lubok Antu 013-5554444 Customer ID Name C001 Ali C002 Ahmad Address Phone no. Engkilili 019-2223333 Lubok Antu 013-5554444 Customer ID Name C001 Ali C002 Ahmad Address Phone no. Engkilili 019-2223333 Lubok Antu 013-5554444
8. Database Is a structured collection of information on specific Subjects. Database Management system Is a program that accesses information from a database. Eg: DBMS, ORACLE, SQL Server, Microsoft access. Meaning of …. Benefits of Using Database Data can be shared Data integrity is assured Information can be accessed easily Minimizes data redundancy
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10. Data Manipulation Data Manipulation refers to the operations of _accessing_, __locating____, _organizing___, _modifying____, and __managing__ data contained in the database.
11. 7 Basic operations of data manipulation Data manipulation Example of statements: 1. update Update the contact number from 03- 78087614 to 03-78088808. 2. Insert Adding record to a database table. 3. Delete Removing record from a database table. 4. Retrieve Retrieve records from a database table. 5. Sort Sorting database. Ascending (A-z) Descending (z-A) 6. Filter Filtering records from a database table. 7. Search Finding records from a database table.
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