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Explain What is Relation?
A database relation is a predefined row or column format for storing information in a relational database. Relations are equal to tables.
A B-tree of order how much children m has maximum ? m has maximum m mchildren in a B tree.
In which form of relational database developer refers to a record? In a tuple form of relational database developer refers to a record.
What are the properties in a relation ? In a relation Ordering of rows is immaterial and No two rows are identical.
What is the purpose of storage manager? The storage manager is responsible for the following a) Interaction with the file manager b) Translation of DML commands in to low
Define the term Domain. For each n every attribute there is a set of permitted values known as the domain of that attribute.
What are the ways of obtaining the connection parameters? Hardwire the parameters into the program. Ask for the parameters interactively. Get the parameters
explaination
What is data block? Data Block - In oracle the data blocks are referred to as tablespaces. A tablespace is an fields of disk consisting of one or more disk files. A tablespace
how to construct labelled precedence graph for view serialiability.please explain insteps with one solved examples
Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pictori
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