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Some disadvantages of File Oriented System?
How to create values of structured type? Constructor functions are used to make values of structured types. A function with the similar name as a structured type is a construct
What's the difference between a primary key and a unique key? Both primary key and unique key enforces uniqueness of the column on which they are explained. But by default prim
draw er diagram using entities crop,employee,department,plot,cultivation plan,machinery,seed,fertilizer
Which is the properties of entities? Attributes is the properties of entities.
What is difference among mysql_connect and mysql_pconnect? Mysql_connect() opens a new connection to the database while mysql_pconnect() opens persistent connection to the data
a method named WonGame that checks each letter in the word is matched by its label
Distributed And Client Server Databases Introduction This unit tells the distributed database systems which are primarily relational and one important execution model: the
Although, the essential features of E-R diagrams are enough to design many database situations. Though, with more difficult relations and advanced database applications, it is need
What is equi join? Equi Join - It generates all the combinations of tuples from two relations which satisfy a join condition along with only equality comparison (=).
note on hashing technique
The typical file-oriented system is supported by a conformist operating system. Permanent records are stored in a variety of files and a number of different application programs are written to extract records from and add records to the appropriate files.
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