Error Ora-01722 Invalid Number
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ORA-01722: invalid numberOracle Invalid Number
tips Oracle Error Tips by Burleson Consulting Oracle docs offer this information regarding Oracle ORA-01722: ORA-01722 invalid ora 01722 invalid number sqlldr 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 character fields containing numeric
Ora 01722 Invalid Number Error In Informatica
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 conjunction with subqueries and Oracle Optimizer. ora 01722 invalid number while upgrade 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 thrown because a particular string was not able o be converted into a specifi
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Advertisement Oracle Basics ALIASES AND AND & OR BETWEEN COMPARISON OPERATORS DELETE DISTINCT EXISTS FROM ora 01722 invalid number oracle decode GROUP BY HAVING IN INSERT INSERT ALL INTERSECT IS NOT NULL IS NULL JOIN LIKE MINUS NOT OR ORDER BY PIVOT REGEXP_LIKE SELECT SUBQUERY TRUNCATE http://www.dba-oracle.com/sf_ora_01722_invalid_number.htm UNION UNION ALL UPDATE WHERE Oracle Advanced Oracle Cursors Oracle Exception Handling Oracle Foreign Keys Oracle Loops/Conditionals Oracle Transactions Oracle Triggers String/Char Functions Numeric/Math Functions Date/Time Functions Conversion Functions Analytic Functions Advanced Functions Oracle / PLSQL: ORA-01722 Error Message Learn the cause and how to resolve the ORA-01722 error message in https://www.techonthenet.com/oracle/errors/ora01722.php Oracle. Description When you encounter an ORA-01722 error, the following error message will appear: ORA-01722: invalid number Cause You executed a SQL statement that tried to convert a string to a number, but it was unsuccessful. Resolution The option(s) to resolve this Oracle error are: Option #1 Only numeric fields or character fields that contain numeric values can be used in arithmetic operations. Make sure that all expressions evaluate to numbers. Option #2 If you are adding or subtracting from dates, make sure that you added/substracted a numeric value from the date. Share this page: Advertisement Back to top Home | About Us | Contact Us | Testimonials | Donate While using this site, you agree to have read and accepted our Terms of Service and Privacy Policy. We use advertisements to support this website and fund the development of new content. Copyright © 2003-2016 TechOnTheNet.com. All rights reserved.
UPDATE 3.3 Other Rare Situations What causes this error?[edit] An ORA-01722 ("invalid number") error occurs when an attempt is made to convert a character string into a number, and the string cannot be converted into a valid number. Valid http://www.orafaq.com/wiki/ORA-01722 numbers contain the digits '0' through '9', with possibly one decimal point, a 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 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 invalid number 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 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 01722 invalid number 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. If all of the numbers appear to be valid, then you probably have your columns out of order, and an item in the VALUES clause is being inserted into a NUMBER column instead of the expected VARCHAR2 column. This can happen when a table has columns added or removed. You are doing an INSERT or UPDATE, with a sub query supplying the values. Obviously, the preceding considerations apply here as well. What makes this more complicated is that the offending character string is hidden as a row in a table. The fix is to identify the row (or rows) which has the non-numeric string, and either change the data (if it is