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How to create a table from existing table?
Create table as
e.g, To create a new table ‘N_emp' with employee names and their identification numbers only from employee table, statement is to create table N_emp as select empname, empid from employee
does tables are called relations
compare the features of oracle RDBMS with MySQL and Microsoft SQL server
Describe the Association: Design Before we describe association design let us define association "Association is set of links between two objects in the object model". It is
The participation Constraints shows whether the existence of an entity depends on its being associated to another entity by the relationship type. There are two kinds of participat
What are the object-oriented approaches Software systems which are designed with structured design methodology never support some of desired quality attributes for example reus
Explain the disadvantages of using DBMS There could be a few disadvantages of using DBMS. As DBMS requires computers, we have to invest a good amount in acquiring the hardwa
Explain the function of Object model Object model describes the classes of objects in system, including their attributes and operations which they support. The analysis object
pine vally company
The dataset " CFOLYMPICS.XLS " contains the observations used in the above article. The definitions of the variables are also included in this spreadsheet. However, for the purpo
differences between a classified catalog and a dictionary catalog
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