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List the SQL domain Types?
SQL supports the following domain types.
1) Char(n)
2) varchar(n)
3) int
4) numeric(p,d)
5) float(n)
6) date.
Problem 1 Why are the operational system keys not recommended for forming data warehouse primary keys? Give any two examples 2 Explain the following performance tuning techn
Order by clause By using this rows can be sorted It is used in the last portion of select statement By default it gets ascending order DESC: is used
I want a script that will run, and update my virtual machine's LAN settings (proxy server and port), and also re-configure the Firefox User Agent. I want a script that will run,
define lock conversion
What does conceptual design work? A conceptual design involves modelling independent of the DBMS.
Which database level is closest to the users? External database level is closest to the users.
For every multivalued attribute 'A', we make a new relation R that contains an attribute corresponding to plus the primary key attribute k of the relation that shows the entity typ
Relational Algebra is a set of basic operations used to influence the data in relational model. These operations allow the user to specify basic retrieval request. The result of re
What are the Overlapping elements Overlapping elements can be found by scanning all the elements in front of deleted element in priority list for the sheet and comparing them
Which is the properties of entities? Attributes is the properties of entities.
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