Error Message Ora-01722 Invalid Number
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Ora 01722 Invalid Number While Upgrade
ORA-01722: invalid number tips Oracle Error Tips by Burleson Consulting Oracle docs offer this information regarding ora 01722 invalid number date conversion Oracle ORA-01722: ORA-01722 invalid number Cause: The attempted conversion of a character string to a number failed because the character string was not a valid numeric literal. Only numeric ora 01722 invalid number oracle date fields or character fields containing numeric data may be used in arithmetic functions or expressions. Only numeric fields may be added to or subtracted from dates. Action: Check the character strings in the function or expression. Check that they contain only numbers, a sign, a decimal point, and the character "E" or "e" and retry the operation. Jonathan Gennick provides information regarding
Ora 01722 Invalid Number Ora 02063 Preceding Line From
Oracle ORA-01722 in conjunction with subqueries and Oracle Optimizer. To exhibit how Oracle ORA-01722 is often thrown, this query is given as an example: SELECT * FROM ( SELECT FLAG, TO_NUMBER ( NUM ) NUM FROM SUBTEST WHERE FLAG = 'N' ) WHERE NUM > 0 ; Here, from in the FROM clause of a query, the user is attempting to have a subquery of the original query, which is causing Oracle ORA-01722 to be thrown. The Oracle ORA-01722 error is thrown with the failure because of the outer query. This is because it is trying to test the NUM > 0 condition first because it is assumed it might be more useful. Gennick goes on to show that Oracle ORA-01722 is thrown because the Oracle optimizer has re-written the query as: SELECT FLAG, TO_NUMBER ( NUM ) NUM FROM SUBTEST WHERE TO_NUMBER ( NUM ) > 0 AND FLAG = 'N' ; This throws Oracle ORA-01722 because the re-written query causes the system to convert a non-numeric NUM value of the WHERE clause into numbers. OraFaq also has notes on Oracle ORA-01722. Here, it is
UPDATE 3.3 Other Rare Situations What causes this error?[edit] An ORA-01722 ("invalid number") error occurs when an attempt is made to ora 01722 invalid number oracle decode convert a character string into a number, and the string cannot be 01722. 00000 - "invalid number" converted into a valid number. Valid numbers contain the digits '0' through '9', with possibly one decimal point, a
Ora-01722 Invalid Number Solution
sign (+ or -) at the beginning or end of the string, or an 'E' or 'e' (if it is a floating point number in scientific notation). All other characters are http://www.dba-oracle.com/sf_ora_01722_invalid_number.htm forbidden. There are numerous situations where this conversion may occur. A numeric column may be the object of an INSERT or an UPDATE statement. Or, a numeric column may appear as part of a WHERE clause. It is even possible for this error to appear when there are no numeric columns appearing explicitly in the statement! Examples[edit] Here are some examples: SQL> select http://www.orafaq.com/wiki/ORA-01722 to_number('3434,3333.000') from dual; ERROR: ORA-01722: invalid number no rows selected The above statement throws the error message, because it has found a character, in this case, a comma and the default format for TO_NUMBER does not contain a comma. The same error can occur when you use arithmetic functions on strings: SQL> select 'abc' - 124 from dual; ERROR: ORA-01722: invalid number no rows selected The error can occur when you add dates with string values: SQL> select '01-JUN-01' - 'abc' from dual; ERROR: ORA-01722: invalid number no rows selected How to fix it[edit] The fix depends upon the exact expression which caused the problem. The following guide lists the possible SQL expressions which can give this error, with their most likely cause. When addressing this error, keep in mind that it can indicate a simple keystroke problem with the query, or a deeper problem with the query logic, or even the presence of bad data in the database itself. When doing an INSERT INTO ... VALUES (...)[edit] One of the data items you are trying to insert is an invalid number. Locate and correct it
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ORA-01722: invalid number tips Oracle Error Tips by Burleson Consulting Oracle docs offer this information regarding Oracle ORA-01722: ORA-01722 invalid number Cause: The attempted conversion of a character string to a number failed because the character string was not a valid numeric literal. Only numeric fields or invalid number character fields containing numeric data may be used in arithmetic functions or expressions. Only numeric fields may be added to or subtracted from dates. Action: Check the character strings in the function or expression. Check that they contain only numbers, a sign, a decimal point, and the character "E" or "e" and retry the operation. Jonathan Gennick provides information regarding Oracle ORA-01722 in 01722 invalid number conjunction with subqueries and Oracle Optimizer. To exhibit how Oracle ORA-01722 is often thrown, this query is given as an example: SELECT * FROM ( SELECT FLAG, TO_NUMBER ( NUM ) NUM FROM SUBTEST WHERE FLAG = 'N' ) WHERE NUM > 0 ; Here, from in the FROM clause of a query, the user is attempting to have a subquery of the original query, which is causing Oracle ORA-01722 to be thrown. The Oracle ORA-01722 error is thrown with the failure because of the outer query. This is because it is trying to test the NUM > 0 condition first because it is assumed it might be more useful. Gennick goes on to show that Oracle ORA-01722 is thrown because the Oracle optimizer has re-written the query as: SELECT FLAG, TO_NUMBER ( NUM ) NUM FROM SUBTEST WHERE TO_NUMBER ( NUM ) > 0 AND FLAG = 'N' ; This throws Oracle ORA-01722 because the re-written query causes the system to convert a non-numeric NUM value of the WHERE clause into numbers. OraFaq also has notes on Oracle ORA-01722. Here, it is explained that Oracle ORA-01722 is thr