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15 gru 2019 · The ORA-01481 error you get from mixing comma/period with the group separator/decimal characters (G or D) is 'invalid number format model', which suggests it's purely validating the string '$9,999D999'.
The syntax for the TO_CHAR function in Oracle/PLSQL is: TO_CHAR( value [, format_mask] [, nls_language] ) Parameters or Arguments value A number or date that will be converted to a string. format_mask Optional. This is the format that will be used to convert value to a string. nls_language Optional. This is the nls language used to convert ...
TO_CHAR (number) converts n to a value of VARCHAR2 data type, using the optional number format fmt. The value n can be of type NUMBER , BINARY_FLOAT , or BINARY_DOUBLE . If you omit fmt , then n is converted to a VARCHAR2 value exactly long enough to hold its significant digits.
The Oracle TO_CHAR function is a built-in function that can be used to convert a number to a character string. The function takes two arguments: the number to be converted and the format mask. The format mask specifies how the number should be formatted.
1 cze 2023 · The parameters of the TO_CHAR function are: input_value (mandatory): This is the value to convert into a String type. This is the main input to the function, and this value can either be a DATE type or any of the Number types. format_mask (optional): This is the format that the input_value should be displayed as.
This tutorial shows you how to use the Oracle TO_CHAR() function to convert a DATE or INTERVAL value to a string in a specified format.
Purpose. TO_CHAR (character) converts NCHAR, NVARCHAR2, CLOB, or NCLOB data to the database character set. The value returned is always VARCHAR2. When you use this function to convert a character LOB into the database character set, if the LOB value to be converted is larger than the target type, then the database returns an error. See Also:
