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Discuss how the bi-directional Implementations are made.
In bi-directional implementation of the association, a pair of references must implement every link. The declarations and code essential to support such implementations are same as required in unidirectional implementation. The single difference is that suitable fields have to be declared in both the classes participating in an association.
Write a Query that uses the UNION Operator 1. Use the Software Experts database to: a. Display the first and the last name of all consultants who worked on any projects f
Explain the main advantages of DBMS over File Oriented System ?
1. Develop a flowchart using the decision structure to solve the following problem. A Box Lunch Bonanza is a small catering company that offers 2 different types of box lunches
how many hourse have been spent on a certain project
DML Precompiler All the DBMS have two basic sets of Languages - Data Definition Language (DDL) that have the set of commands needed to define the format of the data that is b
What is meant by the degree of relationship set? The degree of relationship type is the number of participating entity types.
What is data block? Data Block - In oracle the data blocks are referred to as tablespaces. A tablespace is an fields of disk consisting of one or more disk files. A tablespace
what are the main characteristics of database
Give a sample of the Dynamic Model. The sample of dynamic model is given below: Dynamic model for the car: Brake and Accelerator Brake or Applies Accelerator
Before defines the second type of integrity constraint, viz., Entity Integrity, we should be well-known with the concept of NULL. Mostly, NULL is intended as a basis for dealing
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