What Is Polymorphism in Database

What Is Polymorphism in Database

In the case of database data, polymorphism is the ability of a single column or field to contain data of different types. For example in JSON a tag or field can contain data from any type and the same field in different documents can contain data of different types within the same collection.

What is polymorphism in SQL?

“polymorphism” means multiple shapes (multiple subprograms, same name). Overloading is static polymorphism because the COMPILER resolves which of the subprograms to execute (at compile time). Dynamic polymorphism means we have 2+ methods with the same name, but in different types in the same hierarchy.

What is polymorphism and types of polymorphism?

Types of Polymorphism in Oops In Object-Oriented Programming (OOPS) language, there are two types of polymorphism as below: Static Binding (or Compile time) Polymorphism, e.g., Method Overloading. Dynamic Binding (or Runtime) Polymorphism, e.g., Method overriding.

James H. Sterling
Author

James H. Sterling

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.