We use the INTO clause to specify that the converted value should be stored in the variable "s_amount".Īfter executing the SELECT statement and storing the converted value in "s_amount", we use the "dbms_output.put_line" statement to display the value of "s_amount" on the output screen. The number being converted is 98765.99, and the format specified is '$99999999.99'. ![]() The function being used is "to_char", which converts a number to a character string. Inside the program, we have a SELECT statement that includes a conversion function. Next, we have the "begin" statement, which marks the beginning of the program logic. In this PL/SQL program, we declare a variable called "s_amount" as a string of characters, specifically a varchar2 type that can hold up to 100 characters. SELECT SYSEXTRACTUTC(CURRENTTIMESTAMP) FROM DUAL What I want is to use the result of the above code to create the corresponding timestamp in unix format. Select to_char(98765.99, '$99999999.99') into s_amount from dual How to convert the CURRENTTIMESTAMP function in a NUMBER using ORACLE Using the following code, I'm able to extract the CURRENTTIMESTAMP of the system. Convert Number to String using TO_CHAR() Function in SQL declare Finally, it will display the value of "s_amount" on the screen using the "dbms_output.put_line" statement. Then, it will store the converted value in the variable 'samount' and display it on the screen using the 'dbmsoutput.putline' statement. ![]() Even though you claim that this is ' not a typo ' it indeed is one. So, when you run this program, it will convert the number 98765.99 into a formatted string with a dollar sign and specific number format. The ORA-01722 occurs because apparently at least one value in that column is not a number. So, when you run this program, it will retrieve the value 98765.99 from the "dual" table and store it in the variable "s_amount". With the expression testcol 1234 you state that you want to treat testcol as a numeric column, so Oracle tries to convert all values in that column to a number.
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