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Where does view definition stored?
A view definition is permanently stored as part of the database.
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what is Storage-Device Hierarchy question
What is D command work in the respect of QBE? D: It is the command inside QBE to delete tuple(s) from the relation.
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how to prepare a data dictionary for online examination system for certified courses?
Increases efficiency : Data is stored close to most often used site, therefore retrieval would be faster. Also, data that is not required by local applications is not stored, there
Define Fifth Normal form is concerned with Ans : Fifth Normal form is concerned with Join dependency.
What is the use of with clause in SQL? The with clause gives a way of defining a temporary view whose explanation is available only to the query in which the with clause occurs
What is a primary index? A primary index is an index whose search key also explains the sequential order of the file.
Discuss the problem of Spurious tuples and how we may prevent it. Ans: A spurious tuple is, mainly, a record in a database that gets created while two tables are joined bad
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