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What does a Hierarchical database do?
A hierarchical model is a database model which represents the database in a tree diagram. It thus helps the user to work with(i.e., use, modify, extract etc.) the database without even bothering about the complicated algorithms or flow chart used by the system to deal with the database.
What is a good way to represent a database?
Relational model of database is a good way to represent the database. Also network data model and hierarchical model can be used depending on the requirements.
What is central hierarchical database?
What is central hierarchical database?
How is hierarchical database model being used?
well i dont know so sorry
Which type of database model is similar to a hierarchical database but allows each child record to have more than one parent record?
Network Database
What is the advantages and disadvantages of hierarchical database?
hierarchical databases are fast and conceptually simple however do not support many-to-many relationships and have a lack of referential integrity. dan woodfield was a creater of Hierarchical Databases
Disadvantages of Hierarchical database model?
Some disadvantages of the hierarchical database model include complexity in representing certain types of relationships, limited flexibility in querying data due to its rigid structure, and potential data redundancy issues as each child can only have one parent record.
What are the advantages and disadvantages of a hierarchical data model and network data model?
Hierarchical data model :Advantages- simplicity- data security- data integrity- efficiency- ease to add and delete recordDisadvantages- implement complexity- database management problem- lack of structural independence- programming complexity- implementation limitation- procedural access languageNetwork data model :Advantages- easy to access data- can handle more relationship types- data independence- data integrity- data independenceDisadvantages- system complexity- lack of structural independence- procedural access language
Advantages of flat data model?
two main early navigational data models were the hierarchical model and the CODASYL model (network model)
Which type of database model arranges field or records in related groups whereby each child record has only one parent record?
Hierarchical database
Advantage of relational model over hierarchical model?
Use of primary keys less data redundancy compatible with inconsistencies associated with database anomalies
What are the disadvanteges of Hierarchical Model?
What are the disadvanteges of Hierarchical Model?
