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Explain the functions of data manager?
Functions of Data Manager :- Convert operations in user's queries coming directly through query processor or indirectly in an application program from users logical view to a physical file system.- It interfaces along with file system enforces constraints to maintain consistency. And integrity of the data as well as its security. (Authorization and Integrity Manager).- Synchronizing simultaneous operations performed through concurrent users. (Transaction Manager) - Back up and recovery operations (Transaction Manager)
What is banker's algorithm? Banker's algorithm is a deadlock avoidance algorithm that is applicable to a resource-allocation system with multiple instances of each resource ty
Describe the advantage of State chart Diagram A state chart represents a state machine, emphasizing flow of control from one state to other. A state machine is a behaviour whi
Depending upon the rules we have found, we can classify the locks into two types. Shared Lock: A transaction might be acquiring shared lock on a data item in order to read it
What is Relational Algebra? Relational algebra is a Procedural query Language?
how to find entities
Why does a DBMS query language is designed? A DBMS query language is designed to support end users who use English-like commands. support in the development of complex applicat
How can you terminate the MySQL Server? Typing the following in Command prompt will shut down the server completely as root user % mysqladmin -u root -p shutdown
explain five responsibilities of DBA?
Some disadvantages of File Oriented System ?
Q. State the Technique for converting a state diagram to code. i) Identify the major control path. Starting with first state, find the path from diagram that corresponds
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