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23 wrz 2015 · I use the TO_CHAR function to format number from 0001 to 9999, and to fit the column size (VARCHAR2(4)) where the value is inserted (even if value is > 9999). I use the function like this: TO_CHAR(n, 'FM0000')
Syntax. 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.
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.
TO_CHAR(number, format_mask) The `number` argument is the number that you want to convert to a character string. The `format_mask` argument specifies how the number should be formatted. The `format_mask` argument can be any valid Oracle character string.
23 lis 2016 · I am printing a number using below to_char format : the above code prints ' 65.20' (3 spaces and the number). one extra space is printed because positive value contain one extra space in to_char.
SQL Language Reference. Format Models. A format model is a character literal that describes the format of datetime or numeric data stored in a character string. A format model does not change the internal representation of the value in the database.
1 cze 2023 · Format Mask. The format mask is helpful as it allows you to specify what format the input_value should be converted to. To make it clear, we need to specify some values for the format mask. The possible values are: Year.
