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Database Administrator One of the main perpose for having the database management system is to have control of both data or programs accessing that data. The person having li
, write the relational schema, and draw the new dependency diagrams. Identify the normal forms for each table structure you created
prototype of a distributed information system for a national car part retail outlet chain.
A relation instance indicates as r is a collection of tuples for a given relational schema at a exact point of time. A relation state r of the relation schema R (A 1 ,A 2 ,.....
What is DML (Data Manipulation Language)? This language that enable user to access or manipulate data as organised by appropriate data model. Procedural DML or Low level: DM
#explain five disadvantages of a dbms..
complete er diagram of textile industry management
what do you understand by enhanced entity-relationship
The Concurrent Transactions Almost every commercial DBMS support multi-user environment. Therefore, allowing multiple transactions to proceed concurrently. The DBMS must make
Define Deadlock prevention These protocols make sure that the system will never enter a deadlock state. There are two methods to deadlock prevention. One approach makes sure t
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