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Explain about database system structure?
Storage manager
Authorization and integrity manager
Transaction manager
File manager
Buffer manager
Storage manager executes several data structure as a part of physical system execution
Data function
Data dictionary
Indices
The query processor
DDL interpreter
DML
Query evaluation engine
Difference between Operating System and Database Security Security within the operating system can be executed at various levels ranging from passwords for access to system, t
please give me introduction to full data in D B M S in a short assignment
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Define reference file
please describe the data base management with the easy example &give the application?
What is Primary key? Primary Key - Primary key is one of the candidate keys which uniquely identifies each row in the relation.
List any two disadvantages of a database system ? The disadvantages of database system are: • Database systems are difficult, complex, and time-consuming to design. • Substanti
what would go in order patient#, patient name, patien address, surgeon#, surgeon name, surgery date, surgery type, drug admin
Query Processor The query language processor is responsible for taking query language statements or shifting them from the English-like syntax of the query language to a form
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