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Describe an data dictionary?
A data dictionary is a data structure which keeps meta data about the structure of the database ie. the schema of the database.
find the name of supplier who supply some red part
as a customer service employee, explain five measures you would recommend a displeased student to patronise a school canteen
What are the two types of serializability? The two types of serializability is a) Conflict serializability b) View serializability
explain normalisation
What are the kinds of Strings? -A binary string in MySQL is one that MySQL treats as case sensitive in comparisons. -A non binary string in MySQL is one that MySQL does'nt
distributed quey processing
Explain the term- Periodic recomputation Periodic recomputation: Base values are often updated in bunches. Sometimes, it is possible to just recompute all derived attributes p
how design database from begining
What is a primary index? A primary index is an index whose search key also explains the sequential order of the file.
i have assignments I don''t have time to finish because of work and other assignments, can you help with this? All are from the book Darabase design, application development and a
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