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What is the use of as keyword?

Contents
  1. What is the use of AS keyword in SQL?
  2. What is use of AS keyword in C#?
  3. Is AS keyword necessary in SQL?
  4. What is the AS keyword in TypeScript?
Definition and Usage The as keyword is used to create an alias. In the example above, we create an alias, c , when importing the calendar module, and now we can refer to the calendar module by using c instead of calendar .


What is the use of AS keyword in SQL?

The AS command is used to rename a column or table with an alias. An alias only exists for the duration of the query.

What is use of AS keyword in C#?

The as operator is used to perform conversion between compatible reference types or Nullable types. This operator returns the object when they are compatible with the given type and return null if the conversion is not possible instead of raising an exception.

Is AS keyword necessary in SQL?

The SQL AS keyword is used to define a column alias. It's also an optional keyword.

What is the AS keyword in TypeScript?

The as keyword is a Type Assertion in TypeScript which tells the compiler to consider the object as another type than the type the compiler infers the object to be.

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