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What is persistency?
Persistency ensures which data is stored and that after the object is no longer available (program stops running) the data will be available to other users, when needed
why data in an RDMS need to be normalised
need to get answer for questions 3&4 on this page in part 1
The State of NewYork certifies firefighters throughout state and keep track all of them, as well as of the state’s fire departments. Each fire department has unique department numb
Example : Search the name, department number and salary of employees drawing minimum salary in that department. SELECT ENAME, SAL, DEPTNO FROM EMP WHERE SAL IN (SELECT MI
Design an algorithm to implement operations Each and every operation specified in the functional model could be formulated as an algorithm. The algorithm indicates how operat
Explain Alternate key? Alternate Key - All the candidate keys except primary key are known as alternate keys.
Let us first describe the term relationships. What Are Relationships? A relationship can be defined as: A set of associations or connection, or A rule for communic
diagrams and meaning
Developer is required to do a task including: - Database Normalization - Database Analysis - ERM Diagram Details can be provided and then you can change your bid accord
Define database management system? Database management system (DBMS) is a set of interrelated data and a combination of programs to access those data.
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