Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Synonyms It allows short names or alternative names for objects.
Example:
CREATE SYNONYM D30
FOR EMPD30;
Now if we give command:
SELECT * FROM D30;
NAME
MINSAL
MAXSAL
AVGSAL
---------------------
------------
-------------
--------------
ACCOUNTING
1300
5000
2916.6667
RESEARCH
800
3000
2175
SALES
950
2850
1566.6667
what is cascading? what is rollback cascading? please explain in detail
What are the three types of data sources used with ODBC? An ODBC file data source is a file that can be shared between database users. An ODBC system data source is one that is
the of super market system done in database
Set Difference If R1 and R2 are two union compatible relations or relations then result of R3 =R1- R2 is the relation that have only those tuples that are in R1 but not in R2.
What are the properties in a relation ? In a relation Ordering of rows is immaterial and No two rows are identical.
crete a data base relationship model Entity: Students; Professors; Dormitories buildings; Attributes of students: Name; Address; Dorm;
What is Cardinality Ratio? Cardinality Ratios - The cardinality ratios for relationship kinds specifies the maximum number of relationship instances in which an entity can pa
Java program for horrizontal fragmentation in distributed database
Write short notes on domain relational calculus The domain relational calculus uses domain variables that take on values from an attribute domain rather than values for whole t
List some instances of collection types? a) sets b) arrays c) multisets
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd