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Define object-relational systems?
Systems that give object-oriented extensions to relational systems are known as object-relational systems.
The Incident table, with an auto-incrementing incident number, etc, looks like: incident_num reporter date time incide
Explain in details about Data Sharing
Describe disk manager and their work? Disk Manager: Responsible for fetching data regulated through file Manager from disk storage within Main memory and deciding what data to
which component of DBMS can be embedded in a program? The data manipulation language (DML) is a component which is embedded in a program.
Define query optimization. Query optimization refers to the process of search the lowest -cost method of evaluating a given query.
Modify a sequence: ALTER SEQUENCE SEQSS INCREMENT 2 MAXVALUE 3000; Removing a sequence: DROP SEQUENCE SEQSS;
The participation Constraints shows whether the existence of an entity depends on its being associated to another entity by the relationship type. There are two kinds of participat
Explain the utilities which help the DBA to manage the database? Every DBA uses database utilities to maintain and control their databases. But there is a lot of confusion wit
What are the advantages of having an index structure? Ans: The index structures commonly provide secondary access paths, which offer alternative ways of accessing the reco
#question.what is mapping constraints and types?.
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