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What is the used of specifying alias? Specifying alias: is used to rename column or attribute in a table.
What are data models? Explain it detail? Entity relationship model Rectangles Ellipse Diamonds Lines Relational model Relational model use a collection
how many types of data model in DBMS? explain data abstraction with its different level
Hello.I have database access assignment which consist of creation Form, Subform, Calculation, Macros
Lack of standards and experience: The lack of standards has considerably limited the potential of distributed DBMSs. As well, there are no tools or methodologies to help users cha
What are the aggregate objects in the data dictionary? Views Match codes Lock objects.
What is DataWarehousing? Subject-oriented, meaning that the data in the database is organized so that all the data elements relating to the similar real-world event or object
Can you assist me in Database management system? I need help in my courses, please email me at and get back me soon...
Locks: Serialisabilty is just a test whether a given interleaved schedule is ok or has a concurrency related trouble. Though, it does not make sure that the interleaved concurrent
Package classes and associations into models Programs are made of separate physical units which could be edited, imported, complied or otherwise manipulated. The careful part
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