Data modeling in RDBMS | Oracle SQL fundamentals
A #database #model shows the logical structure of a database, including the relationships and #constraints that determine how #data can be stored and accessed.
Individual database models are designed based on the rules and concepts of whichever broader data model the designers adopt. Most data models can be represented by an accompanying database diagram.
00:00 Data Modeling Diagram
02:05 What are Data types?
03:19 Number Data type
03:38 Character Data type
05:50 Date Data type
06:50 Why do we categories the data?
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