Question

Which of the following is invalid identifier?
निम्न में से कौन सा अमान्य आइडेन्टिफायर् है?
Select one:
O a. TYPENAME
TYPENAME
b. PRINTNAME
PRINTNAME
amera. WRITENAME
WRITENAME
O d. PAPERNAME
PAPERNAME​

Answer 1

Answer:

PAPERNAME

PAPERNAME​

Explanation:

One of the most frequent, but not the only, sources of this issue is an invalid identifier, which means the column name entered is either missing or incorrect.It can appear occasionally if you employ names that also happen to be reserved words in the Oracle database.The names provided to various entities, such as constants, variables, structures, functions, etc., are known as identifiers.

Examples are "int amount" and "double total balance." In the example above, "int" and "double" are keywords, while "amount" and "total balance" are identifiers.

Identifiers:The general phrase for naming variables, functions, and arrays is "identifier."

These are user-defined names with either a letter or the underscore(_) as the initial character. They can be arbitrary lengths of letters and digits.

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