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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')
You must also use a format model to specify the format of the character string. The following statement updates Hunold's hire date using the TO_DATE function with the format mask 'YYYY MM DD' to convert the character string '2008 05 20' to a DATE value:
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 (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.
23 lis 2016 · I am printing a number using below to_char format : declare var number(6,2) begin var := 65.2 dbms_output.put_line(to_char(var,'9999.99')); end; 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.
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 ...
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
