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Data Fragmentation
"Fragmentation includes decomposing the data in relation to non-overlapping component relations".
Why do we require fragmenting a relation?
What is normalization? It is a method of analysing the given relation schemas based on their Functional Dependencies (FDs) and primary key to attain the properties (1).Minim
What are the different approaches for database design? There are two basic approaches for database design which are as follows: Attribute driven: It compiles a list of att
Define Deadlock detection If a system does not employ a few protocols that make sure deadlock freedom, after that a detection and recovery scheme should be used. An algorithm
My cut off date is very soon in a Database subject and i dont know how to solve anything in it
What is DML compiler? DML Compiler: Translates DML statements in a query language within low level instructions understandable through the query evaluation engine. Attempts to
Explain DML with some examples? DML - Data Manipulation Language: statements used for managing data within schema objects. Some examples: • SELECT - retrieve data from the a da
Why Like predicate used for? LIKE predicate: The LIKE predicate searches for strings in which have a certain pattern.
how does Btree differ from a B+ - tree?
What is known as a search key? An attribute or set of attributes used to look up records in a file is known as a search key.
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