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Can weak entity be converted into strong entity in DBMS?
A weak entity set can always be make into strong entity set by adding to its attribute of its identifying entity set. For a weak entity set, we add columns to the table corresponding to the primary key of the strong entity set on which the weak set is dependent.
What is Entity instances?
Entity instance is a single occurrence of an entity type. Also known as an instance. Unlike entity type, many instances of entity type may be represented by data stored in the database.
Entity type vs entity instance?
Entity Type : A collection of entities that share common properties or characteristics. for example student is an entity type with common attributes such as student_ID , Name, Class etc. These characteristics are common to all students. Entity Instance: A single occurrence of a particular entity type is called entity instance..
What is weak entity sets in dbms?
An entity set may not have sufficient attributes to form a primary key is called weak entity set. One with primary key is called strong entity set.
When is the concept of weak entity used in data modelling?
A weak entity can be identified uniquely only by considering the primary key of another (owner) entity.
How do you convert 3d faces to a solid model in AutoCAD?
To convert 3D faces to a solid model in AutoCAD, use the "SURFSCULPT" command to create a solid from 3D surfaces, or utilize the "JOIN" command to combine the 3D faces into a single entity if they are contiguous. Ensure that the faces are properly connected without gaps or overlaps. After joining, you can check the solid integrity using the "SOLIDEDIT" command for further modifications if needed. Finally, use the "3DORBIT" command to view the solid model from different angles to confirm the conversion.
Which entity serves as the Department of Defense Coordinating Command for civil support missions for Domestic Terrorist and Natural Disaster incidents?
Northern Command
What administrative entity you create on a dns server to represent a discrete portion of the dns namespace?
A zone.
What happens to existing members loans when two credit union merges?
It will become the loan of the merged entity.
What is a beneficiary under a will?
A beneficiary under a will is a person or other entity that receives a portion of the estate at the direction of the testator. A beneficiary can be a person, charity, trust, church, club, or any other entity that can receive property.
Repare an entity-relationship diagramerd for the billing application of a petrol retail outletpetrol pumping stationconsider all the related entitiesattributes and relationships?
Do you mean that you need to prepare an Entity - Relationship diagram for an existing database?Clyde
What is the definition of existing system?
"Existing system" can be used in documents to describe any entity or procedure that was in place before the document was created, such as with legal contracts, leases, etc. It can include hardware, software, development tools, applications and protocols, and more.
What is the definition of group in autocad terms?
In AutoCAD, a group is a collection of objects that are combined into a single entity, allowing users to manipulate them as one unit. This feature simplifies editing, moving, and copying multiple objects simultaneously without affecting their individual properties. Groups can be created and managed easily, enabling efficient organization and management of complex drawings. Users can also ungroup objects if individual modifications are needed later.
What are the different versions and functions?
Version: static reference to a specific entity of a specific instance. Function: dynamic reference to existing algorithm to perform or execute.
What is a piece of something?
Bit
What are the difference between versions and functions?
Version: static reference to a specific entity of a specific instance. Function: dynamic reference to existing algorithm to perform or execute.
What are the two parts of a cheque?
The two parts of a cheque are the drawer's portion and the bank's portion. The drawer's portion includes the information of the person or entity issuing the cheque, such as their name, address, and signature. The bank's portion includes details about the account holder, the amount of money to be paid, and space for the bank to process and record the transaction.
