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Describe the host language?
Host Language: You could write applications along with SQL statements embedded inside a host language. The SQL statements give the database interface, although the host language provides the remaining support required for the application to execute.
How can i turn a conceptual entity relationship diagram into a logical entity relationship diagram? what do i have to do with "mandetory or" and "optional or" relationships?
What is the most significant feature that does not directly map into programming language structures? Why? Association, since there are complex types of association, like as qu
A Structure of a dependency diagram
Explain P command in the respect of QBE? P: It is the command in which is used to print (logically display) the value of the attribute in whose cell it is writ
What are the two approaches to store relations in distributed database? a) Replication b) Fragmentation
examples of fields in a database
What is known as clustering file organization? In the clustering file organization, records of several dissimilar relations are stored in the similar file.
entity relationship diagram about finance
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.
What is called an evaluation primitive? A relational algebra operation annotated with instructions on how to evaluate is known as an evaluation primitive.
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