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Describe Database state in details?
Database state: The actual data within the database at a particular moment in time is known as a database state.
What is aggregate function? Briefly describe it? Aggregate functions are functions that take a collection of values as input and return a one value. SQL offers 5 built-in aggre
I need web security expert , website management Project Description: i want professional for the below . website management server management database management
what is query processing?
How can one distinguish among different kinds of parameters? Input parameters are used to pass data to subroutines. Output parameters are used to pass data from subrout
Project Description: Oracle Certified Professional with 20 years of practice, Oracle version 6.0.34, 7.3, 8.0, 8i, 9i, 10G, 11G, 12C. Crossplatform migration, Informix, MSSql
The data of a view is not physically stored, but derived from one or more tables. True the data of a view is not physically stored
What are called multilevel indices? Indices with two or more levels are known as multilevel indices.
What are wait-for-graphs?Give the algorithm to construct a wait-for-graph from a given schedule of transactions? How can deadlocks be detected from wait-for-graphs? Ans: The
Many-to-many : Entities in A and B are related with any number of entities from each other. Example: Taught_by Relationship among course and faculty. One faculty member ca
A B-tree of order how much children m has maximum ? m has maximum m mchildren in a B tree.
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