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Hope this guide helps you when you encounter error ora-01722, wrong number ora-06512.
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g.An invalid number error occurs when Oracle tries to convert a string to a variety field but fails. This is often because the specified string value is not a complete number (for example, a letter for a punctuation mark). On exit, you will receive an error message: ORA-01722: Invalid choice.
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Oracle does automatic String2number conversion on stream string values! However, for textual comparisons between SQL, the record must be explicitly separated by a string: the reverse conversion process of number2String is not done automatically, nor at this level of the SQL query.
select max (acc_num) in ACCOUNTS, specifically acc_num between 1001000 and 1001999;
I just included “numeric” values to create linked “strings” by explicitly separating them:
select max (acc_num) during ACCOUNTS, where acc_num is between '1001000' and '1001999';
edit:Indeed, the acc_num
column in my kitchen table is defined as String
. A invalid number
is reported, although not statistically. And some kind of explicit delineation of line numbers solved each of our problems.
On the other hand, Oracle can treat strings as numbers. So that you can apply exacte operations / functions, these queries also work:
Select TABLE from max (string_column);
select string_column in TABLE where string_column is between ‘2’, let alone ‘z’;
select string_column in TABLE where string_column> ‘1’;
select string_column in TABLE, where string_column <= 'b';
Burleson Consulting Oracle Error Troubleshooting Tips |
Oracle docs provide this information about OracleORA-01722:
- ORA-01722wrong number
- Reason:Validated string to number conversion failed.because the string is not a valid numeric literal. Onlynumeric fields or character fields of digital documents can be usedin arithmetic functions or just expressions. Only numeric fields can be definedto or subtract dates.
- Action: new”Check the lines in our own function or expression, make surethey only embody numbers, symbol, decimal and symbol”E” or “e with the repetition of the process.
Opgelost: Suggesties Om Fout Te Herstellen Ora-01722 Ongeldig Nummer Ora-06512
Risolto: Suggerimenti Per Correggere L’errore Ora-01722 Numero Non Valido Ora-06512
Löst: Förslag För Att åtgärda Felet Ora-01722 Ogiltigt Nummer Ora-06512
Resolvido: Sugestões Para Corrigir O Erro Ora-01722 Número Inválido Ora-06512
Решено: предложения по исправлению ошибки Ora-01722 недопустимый номер Ora-06512
Resuelto: Sugerencias Para Corregir El Error Ora-01722 Número Inválido Ora-06512
Gelöst: Vorschläge Zur Behebung Des Fehlers Ora-01722 Ungültige Nummer Ora-06512
해결됨: 오류 Ora-01722 잘못된 번호 Ora-06512 수정 제안
Rozwiązany: Sugestie Naprawienia Błędu Ora-01722 Nieprawidłowy Numer Ora-06512
Résolu : Suggestions Pour Corriger L’erreur Ora-01722 Numéro Invalide Ora-06512