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Briefly explain each of the following database terms. Use no more than 2-3 lines for each term.
1. DBMS
2. Update Anomaly
3. Alias (referring to tables in SQL queries)
4. DDL
5. Domian
what is physical data structure
what do you mean by primary key constraint?
read-set(T) : Each data items that are read by a transaction T Timestamps : for all transaction T, the start-time and the end time are reserved for all the three phases.
how to prepare a data dictionary for online examination system for certified courses?
i need to implememnt a treee based mining algorithm. do you have an expert that can do that?
What is the use of sub queries? A sub query is a select-from-where expression that is nested with in another query. A common use of sub queries is to do tests for set membershi
Clustering Indexes It may be an excellent idea to keep data of the students in the order of the programme they have registered as most of the data file accesses may need studen
OBJECTIVES After going through this unit you should be capable to: Explain the File Based system and its limitations; Explain the structure of DBMS; Explain the
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
How to create values of structured type? Constructor functions are used to make values of structured types. A function with the similar name as a structured type is a construct
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