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What are the two types of errors?
The two types of errors are:
a) Logical error
b) System error
What it creates while a primary key is combined with a foreign key? It creates Parent-Child relation ship between the tables that connect them while a primary key is combined w
Domain Constraints Domain constraints are primarily formed for defining the logically correct values for an attribute of a relation. The relation allows attributes of a relatio
What is a database? Database - Basically in simple terms A database is a collection of inter related data and/or information stored so which it is available to several users
A TDMS project plan is not a typical Information Technology project plan; therefore, a traffic data project has several unique characteristics: Traffic data management system
While using extract datasets it is required to have a special workarea for interface False. It is not required to have a special workarea for interface
What is relationship? Give examples A relationship is an association between several entities. Example: A depositor relationship associates a customer with every account tha
how many types of data model in DBMS? explain data abstraction with its different level
A full discription of the new, a discription of its components, and the bebefit it will provide a company. A disscussion of the information usedin the system. A disscussion of any
Illustrate different types of Locks in SQL Server. There are three kinds of locks in SQL Server i.) Shared locks - These are used for operations which don't allow any update
Define Query by Example QBE is a query language relies upon domain calculus and has two dimensional syntax. The queries are written in the horizontal and vertical dimensions of
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