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Accessing information about permissions to all users-Object level permissions: With the use of data dictionary you can see the permissions to user. Let us get the table name from oracle. In oracle the name of the table having these permissions is user_tab_privs.
DESCRIBE USER_TAB_PRIVS ;
SELECT * FROM USER_TAB_PRIVS;
What are the properties in a relation ? In a relation Ordering of rows is immaterial and No two rows are identical.
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What is recursive closure? Why is it not possible to describe this operation in relational algebra? Recursive closure is applied to recursive relationship. An instance of rec
Timestamp Ordering Protocol A timestamp is a tag that can be attached to any transaction or any data item, which indicates a specific time on which the transaction or data item
anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
Information about a bank is about customers and their account. Customer has a name, address that consists of house number, area and city, and one or more phone numbers. Account ha
Define functional and multivalued dependencies. Ans: A functional dependency is a assets of the semantics of the attributes in a relation. The semantics point out how at
(a) Explain the three types of potential mistake which could occur if concurrency control is not properly enforced in the database system. Support your answer with appropriate ex
Question: This Question refers to the database schema given in the Appendix. (a) The integrity of a database is enforced by integrity rules. Discuss what should happen on a
What's the difference between a primary key and a unique key? Both primary key and unique key enforces uniqueness of the column on which they are explained. But by default prim
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