Question

Explain SQL Character Function.

Answer 1

A character function is a function that takes one or more character values as parameters and returns either a character value or a number value. The Oracle Server and PL/SQL provide a number of different character datatypes, including CHAR, VARCHAR, VARCHAR2, LONG, RAW, and LONG RAW.

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Answer 2

ANSWER;__✍️

A character or string function which takes one or more characters or numbers as parameters and returns a character value. Basic string functions offer a number of capabilities and return a string value as a result set.

EXAMPLE;-

1).lower()

The SQL LOWER() function is used to convert all characters of a string to lower case.

2).upper ()

The SQL UPPER () function is used to convert all characters of a string to upper case.

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