Recent questions tagged er-diagram

 Can someone help me out in giving example for each, For Example 1:N Both Mandatory : Person->No of Classes Attended, This can be (PersonName,ClassName) but how is the nu...

Entity Relationship model shows theStatic viewFunctional viewDynamic viewAll of the above 

Every weak entity has to be related to a strong entity through a strong relationship is this statement correct?'

Considered the following E-R Diagram.Total Numbers of RDBMS Table for above Diagram Possible.A) 4B) 5C) 6D) 7  

 In (https://gateoverflow.in/219555/number-of-tables) number of tables to be made was 4, merging E1 and E2 in one table, one for R3, and for E3 and one for E4. Now based ...

In the context of owner and weak entity sets in the $\text{ER}$ (Entity-Relationship) data model, which one of the following statements is TRUE?The weak entity set MUST h...

Find minimum number of tables needed to represent following ER diagram?This question would have been relatively simple as we would implicitly convert the ERD to 3NF (aske...

Given the basic $\text{E R}$ diagram and relational model, which of the the following is incorrect?An attribute of an entity can have more than one valueAn attribute of a...

Consider the following relation (capitalized letters are attributes and lower letters are values).X:From the given FDs find the dependencies that seems to apply on X and ...

An ER diagram is having two strong entities E1 and E2. The relationship between the entities ‘R’ is having partial participation from E1 side and total participation from...

Consider the following ER diagram :“borrower” mapping cardinality is many-to-many. While converting the ER diagram into a relational DBMS model, the relationship set “bor...