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.
Escuela, estudio y materia
- Institución
- D 427
- Grado
- D 427
Información del documento
- Subido en
- 21 de junio de 2024
- Número de páginas
- 32
- Escrito en
- 2023/2024
- Tipo
- Examen
- Contiene
- Preguntas y respuestas
Temas
-
questions with solutions
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d 427 data management applications