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What are the different kinds of database end users? Discuss the major activities of each?
End-Users - End-users are the people whose jobs need access to the database for querying, updating, and generating reports; the database first and foremost exists for their use. The different types of end-users are:
Casual end-users - occasionally access the database, required different information each time
Naive or Parametric end-users - includes tellers, clerks, etc., make up a sizable portion of database end-users, major job function revolves around constantly querying and updating the database
Sophisticated end-users - involves engineers, scientists, business analyst, etc., use for their complex requirements
Stand-alone users - manage personal databases by using ready-made program packages, gives easy-to-use menu-based or graphics-based interfaces
What is meant by software and hardware RAID systems? RAID can be executed with no change at the hardware level, using only software modification. Such RAID implementations are
MySQL statements for extending the database to incorporate new facilities Deliverables for submission You must submit the following deliverables in the Assignment Dropbox in
assume we have the following apllicationthat model sccer team the games they play and the players inv each teamin the design we want to capture
Define lock? Lock is the most common used to execute the requirement is to permit a transaction to access a data item only if it is currently holding a lock on that item.
Hot Backup: Some sites cannot terminate the database while creating a backup copy of the files. The cold backup is not a reliable option. So different kinds of backing up database
Discuss the term- Design Optimization We have seen various ways of representing the objects.The fundamental design model uses analysis model as the framework for implementati
Explain the steps for reduction of E-R model into relational model. Ans:(a) Entity set in E-R model will be considered as table name in relational Model. (b) Attributes of e
What is Explicit update In explicit update, each derived attribute is defined with respect to one, or more fundamental base object(s). The object designer determines that de
Let consider the given partial relation EMP. Let us make some sub-queries for them EMPNO ENAME JOB SAL DEPTNO 7566
Construct a clean ans concise ER diagram for the database indicating the cardinality mapping for Employee management syatem
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