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What are the technique to define a schema completely ?
A schema is completely define by DDL and DML query language.
Normalize the following table upto and including the 3NF. Submit a 1 page printout of only the final set of normalized tables in Data Architect. Just use Data Architect to do the t
Objectives After reading this part, you should be able to: Modify, create, and delete database schema objects; Update database using SQL command; Retrieve data f
Explain I command in QBE ? I : It is the command in QBE that is used to insert tuple (s) into the database
What are composite attributes? Composite attributes can be separated in to sub parts.
what are the states of transaction?
What does Aggregation mean?
Complete replication: It implies maintaining of a whole copy of the database at every site. Thus, the reliability & availability and performance for query response are maximized.
what is difference between circular inked lust and grunded linked list
1. Use the Invoice table structure shown below to answer the following questions: a) Draw the dependency diagram and identify the primary key and all dependencies, including al
One-way Associations When an association is traversed only in the one direction, then it is implemented as a pointer i.e.an attribute which contains an object reference. If mu
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