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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
Which of the operations constitute a basic set of operations for manipulating relational data? Relational algebra operations constitute a basic set of operations for manipulati
Define Partial Key and Primary Key A partial key, also known as discriminator, is the set of attributes which can uniquely identify weak entities that are related to similar o
Create centralized relational database using bottom up method. (a) Recognize a single un-normalized relation for the above scenario. (b) Recognize the primary key for
With the linear commit protocol, sites are connected in a chain, and the subtransaction at the left-hand end of the chain initiates the protocol. Propose a crash recovery protocol
Which data manipulation command combines the records from one or more tables ? JOIN data manipulation command combines the records from one or more tables.
random file orgnization
explain participation constraints with examples
i would like to ask if you will do assignment of database number of words 1500 and how much
What are the technique to define a schema completely ? A schema is completely define by DDL and DML query language.
Consider a systems development project with the following data Activity Duration (weeks) Precedence Relationship 1. Software design
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