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What is MySQL?
MySQL is a relational database management system which has eleven million installations. It can be used for both Linux and Window. Managing database includes adding, accessing, processing data in a database.
What is the purpose of tables, private synonyms and public synonyms? If there are multiple objects of similar name on an Oracle database, that order are they accessed in? The r
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
Write short note on Data models? Data models: A data model is an abstract model which elaborates how data is represented and accessed. The term data model has two commonly ac
What was the method in which records are physically stored in a specified order according to a key field in each record ? A method in which records are physically stored within
An Enterprising group of Entrepreneurs introduced a new business named StoreItRite which is based on data storage and retrieval services. It provides the services and the company c
In the ER diagram, one example of subclassing is depicted following the Services entity. The subclasses Item Based and Time Based are created. The entity Services gains the attribu
When is UPDATE_STATISTICS command used? - When processing of large data is done, this command is used. - Whenever large number of modification, deletions or copy takes place
Illustrate the Deployment Diagram A deployment diagram shows all nodes on network, their processor execution and interconnections. In a dynamic model, this is used to represen
Define Outer join Outer join - If there are any type of values in the one table that do not have corresponding value(s) in the other, in an equi-join which will not be selected
Key to represent relationship amongs tables is called ? A Key that represent the relationship between tables is called Foreign Key.
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