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A set of possible data values is called?
A set of possible data values is called as domain.
Explain Network Model in DBMS? Network Model - It was formalised within the late year of 1960s through the Database Task Group of the Conference on Data System Language (DBTG
Write a query that display ename annual salary and comm from emp table
Describe substring comparison in SQL. For the relation Person (name, address), write a SQL query that retrieves the names of people whose name starts along with ‘A' and address co
Draw an ER diagram that shows the organization of a simple student database. The database captures the information about letter grades obtained by university students who enrolled
Describe Embedded Query Language? Embedded Query Language - A query language (e.g., SQL) can be implemented in two ways. It can be used interactively or embedded within a host
Explain the steps for reduction of E-R model into relational model. Ans:(a) Entity set in E-R model will be considered as table name in relational Model. (b) Attributes of e
E-R Model This data model is based on real world that consists of basic objects named entities and of relationship among these objects. Entities are illustrated in a database
The Incident table, with an auto-incrementing incident number, etc, looks like: incident_num reporter date time incide
Define shadow paging. An alternative to log-based crash recovery method is shadow paging. This technique requires fewer disk accesses than do the log-based methods.
What is known as clustering file organization? In the clustering file organization, records of several dissimilar relations are stored in the similar file.
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