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In case of entity integrity, the primary key may be declared?
In a case of entity integrity primary key may be not Null.
what is query processing ,query optimization and performance turring?
When is UPDATE_STATISTICS command used? - When processing of large data is done, this command is used. - Whenever large number of modification, deletions or copy takes place
Data Scrubbing 70,000 records Project Description: We need services of a developer competent in data cleansing/Data scrubbing. Scope: - 70,000 records in CSV format.
What is the purpose of tables, private synonyms and public synonyms? If there are multiple objects of similar name on an Oracle database, that order are they accessed in? The r
A database named yourusernameFMA has been set up for you to use for this assignment. For the FMA you must create the required tables and run the queries using this database. If y
What is a database? Database - Basically in simple terms A database is a collection of inter related data and/or information stored so which it is available to several users
WHAT IS MEANT BY E-R MODEL
A relationship set is a set of relationships of the similar type. For example, let consider the relationship among two entities sets course and student. Collection of all the in
What is meant by the degree of relationship set? The degree of relationship type is the number of participating entity types.
A step-wise distributed database design methodology Following is a step-wise methodology for distributed database design. (1) Examine the nature of distribution. Find out wh
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