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What is SQL, and why is it important?
SQL stands for Structured Query Language, and is the most significant data processing language in use today. It is not a complete programming language like Java or C#, but a data sublanguage used for creating and processing database data and metadata.
All DBMS products today use SQL.
does tables are called relations
What are composite objects? Objects that have other objects are known as complex objects or composite objects.
What are the advantages of Logical Databases? It offers a simple-to-use selection screens. You can change the pre-generated selection screen to your needs. It offers check f
How persistent programming languages differ from traditional programming languages? Database languages vary from traditional programming languages in that they directly manipul
Dependency Preservation It is obvious that the decomposition must be lossless so that we do not lose any information from the relation that is decomposed. Dependency preservati
Which is the properties of entities? Attributes is the properties of entities.
Normal 0 false false false EN-US X-NONE X-NONE
What is the aim of object design The aim of object design is to identify object which the system contains and the interactions among them. The system implements specification
What are the four main characteristics of the database approach? The four major characteristics of the database approach are: 1. Self-describing nature of a database system. 2.
1. Based on the dependency diagram, create a database whose tables are in at least 2NF, showing the dependency diagram for each table (as shown in class). Label the types of depe
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