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Q. Define a weak entity set and its identifying relationship. List the necessary conditions for a meaningful identifying relationship set of a weak entity set. Entity is a t
I have a small project that contains 3 deliverable s. I have done the first one and I would like you to help me with second one
Enumerate or state the steps in creating a relevant database of a shop.
What are the various symbols used to draw an E-R diagram? Explain with the help of an example how weak entity sets are represented in an E-R diagram. Various symbols used to d
How many physical thing?
What is Message switching Message switching transmits data units which can be arbitrarily long. Packet switching has a utmost packet size, if any message longer than that, it s
Which two files are used during operation of the DBMS? Data dictionary and transaction log are two files used during operation of the DBMS.
I am doing research in this area, especially in sime join and join efficacy when several relations have been queried. Relations located in different sites. I need something like n
Dirty Reads: T10 reads a value which is updated by T9. This update has not been committed and T9 aborts. T9 T10 Value of x old value = 200
Explain the conventions (relationships) for displaying an ER schema as an ER diagram.
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