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What is system catalog or catalog relation? How is better known as? A RDBMS maintains a explanation of all the data that it contains, information about every relation and index
Explain the Management of Data Store Every system irrespective of its nature of application requires storing permanent data for consequent use in problem solving. Some objects
What are audit trails? An audit trail is a log of all alters to the database along with information like which user performed the change and when the alter was performed.
What is D command work in the respect of QBE? D: It is the command inside QBE to delete tuple(s) from the relation.
What is the function of a Domain? A domain defines the technical settings of a table field. A domain describes a value range, which sets the permissible data values for the
brief history,definition,current trends and future trends if any of data fragmentation
Advantages And Drawbacks Of Ddbms There are various reasons for building distributed database systems, with sharing of data, reliability and availability, and speedup of query
What are the Constituents of File? Also elaborates all the possible file operations? A file is organised logically as sequence of record. These records are mapped onto disk blo
What is called an evaluation primitive? A relational algebra operation annotated with instructions on how to evaluate is known as an evaluation primitive.
You are managing the following database system: • DBMS: Oracle 11g • OS: Sun Solaris • System architecture: Web-based application using ASP.Net • Purpose of Server: HR managem
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