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How persistent programming languages differ from traditional programming languages?
Database languages vary from traditional programming languages in that they directly manipulate data that are persistent-that is, data that carry on to exist even after the program terminated. Relation in a database and tuples in a relation are instance of persistent data. In contrast, the only persistent data that traditional programming languages directly manipulate are files.
a brief definition
This language that enable user manipulate to or access data as organized by appropriate data model. Low level or Procedural DML : DML needs a user to specify what data ar
Benefits and limitations
management information system based on functional organisation
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Describe briefly models which define the operations on classes. The three models which are used to define operations on classes are as: Object Model = data dictionary + Obje
Horizontal Fragmentation- Horizontal fragmentation groups together the tuples in a relation that are collectively used by the main transactions. A horizontal fragment is produced b
we need example of 2phase locking
01a_Broadway_LastFirst_yyyy-mm-dd Capstone Exercises You work as a production assistant in the office of the Green Man Theatre. One of your duties is to maintain the company datab
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