Which identifier is valid in PL SQL Mcq?

Which identifier is valid in PL SQL?

You can use uppercase, lowercase, or mixed case to write identifiers. PL/SQL is not case-sensitive except within string and character literals. Every character, including dollar signs, underscores, and number signs, is significant.

Which identifier is valid in Mcq?

PL/SQL Datatypes – Quiz Results

Which identifier is valid? Please select the best answer.
A. customer_12
B. loop
C. customer@orgA
D. 12customer

What is an identifier in PL SQL?

An identifier is a name for a PL/SQL object, including any of the following: Constant or variable. Program name: procedure, function, package, object type, trigger, etc. …

Which identifier is a valid?

Only alphabetic characters, numeric digits, and the underscore character (_) are legal in an identifier. The first character of an identifier must be alphabetic or an underscore (it cannot be a numeric digit). Upper case letters are considered distinct from lower case letters; that is, identifiers are case sensitive.

Where do we declare PL SQL variable?

PL/SQL variables must be declared in the declaration section or in a package as a global variable. When you declare a variable, PL/SQL allocates memory for the variable’s value and the storage location is identified by the variable name.

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Which identifier name is valid in C?

A valid identifier can have letters (both uppercase and lowercase letters), digits and underscores. The first letter of an identifier should be either a letter or an underscore. You cannot use keywords like int, while etc. as identifiers.

Which is not a keyword Mcq?

Explanation: construct is not a keyword.

Which is the valid identifier from following *?

A valid identifier must have characters [A-Z] or [a-z] or numbers [0-9], and underscore(_) or a dollar sign ($). for example, @javatpoint is not a valid identifier because it contains a special character which is @. There should not be any space in an identifier. For example, java tpoint is an invalid identifier.

Is keyword in PL SQL?

Question: What is the difference between ‘IS’ and ‘AS’ in PL/SQL? Answer: The PL/SQL language evolved such the the “IS” and “AS” operators are equivalent. Functionally the “IS” and “AS” syntax performs identical functions and can be used interchangeably.

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