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Describe the GRANT function and explain, how it associates to security. What kind of privileges may be granted? How are they revoked? Ans: Since more than one user can aacce
What is association? Give an example of association Association is used for establishing relationships among classes. Association describe links among/between classes. For exa
Consider the following relational database: STUDENT (name, student#, class, major) COURSE (course name, course#, credit hours, department) SECTION (section identifier, course#, sem
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
How many types of users works on database? Users are differentiated through the way they expect to interact along with the system (i) Application programmers-interact with
Package classes and associations into models Programs are made of separate physical units which could be edited, imported, complied or otherwise manipulated. The careful part
wh
Define tuple variable Tuple variable is a type of variable whose domain is the set of all tuples.
Define instance and schema? Instance: Collection of data kept in the data base at a particular moment is known as an Instance of the database. Schema: The o
What benefits can a company gain by managing its own information infrastructure and servicea
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