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Concatenation operator
Example :
Printing name and job as one string as column name employees: SELECT ENAME||JOB "EMPLOYEES"
FROM EMP;
What is DBMS and what are functions of DBMS? DBMS consist of collection of integrated data and set of program to admission those data. The functions performed by a typical
what do you understand by enhanced entity-relationship
(a) Design a query plan for the following distributed query: An application at site B wants to compute a join of STUDENT ? Id=StudId TRANSCRIPT where STUDENT (Id,Major) is at site
State the definition of association An association is a structural relationship which specifies that objects of one thing are connected with objects of another. In UML, asso
why are older data models are being replaced by new data models
Consider an information system designed for an online company which provides IT products and services These include desktops, laptops, networking products, IT books, parts, and
Explain in details about the f unctions of DBA ?
What are object interaction diagrams? Object interaction diagrams are the diagrams that used to describe order in which messages are communicated in execution of an operation,
Consider the following frequency counts of some itemsets in a transaction database r : freq({A}, r) = 0.405 freq({B}, r) = 0.510 freq({C}, r) = 0.303 freq({A
I have a small project that contains 3 deliverable s. I have done the first one and I would like you to help me with second one
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