D 427: Data Management Applications Questions With Solutions
D 427: Data Management Applications Questions With Solutions Database models ️️- Data structures that prescribe how data is organized. - Operations that manipulate data structures. - Rules that govern valid data. relational model ️️- is a database model based on a tabular data structure - The relational data structure is based on set theory. -the result of relational operations is always a table, the result of an SQL query is also a table. big data ️️characterized by unprecedented data volumes and rapidly changing data structures. set ️️is an unordered collection of elements enclosed in braces. Ex: {a, b, c} and {c, b, a} are the same, since sets are not ordered.
Schule, Studium & Fach
- Hochschule
- D 427
- Kurs
- D 427
Dokument Information
- Hochgeladen auf
- 21. juni 2024
- Anzahl der Seiten
- 32
- geschrieben in
- 2023/2024
- Typ
- Prüfung
- Enthält
- Fragen & Antworten
Themen
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questions with solutions
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d 427 data management applications