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  異定義異常就是那些在pl/sql中已經(jīng)定義好并給予了異常名稱的異常。它們?nèi)糠旁趐l/sql自帶的標準包中,這樣pl/sql程序員就無需再次定義。 
Oracle中總共有如下21種標準預定義異常: 
 
Oracle異常名稱  
 錯誤號  
 說明  
  
DUP_VAL_ON_INDEX 
 ORA-00001 
 You tried to execute an INSERT or UPDATE statement that has created a duplicate value in a field restricted by a unique index.試圖破壞一個唯一性限制 
  
TIMEOUT_ON_RESOURCE 
 ORA-00051 
 You were waiting for a resource and you timed out.在等待資源時發(fā)生超時 
  
TRANSACTION_BACKED_OUT 
 ORA-00061 
 The remote portion of a transaction has rolled back.由于發(fā)生死鎖事務被撤消 
  
INVALID_CURSOR 
 ORA-01001 
 You tried to reference a cursor that does not yet exist. This may have happened because you’ve executed a FETCH cursor or CLOSE cursor before OPENing the cursor.試圖使用一個未打開的游標 
  
NOT_LOGGED_ON 
 ORA-01012 
 You tried to execute a call to Oracle before logging in.沒有連接到ORACLE 
  
LOGIN_DENIED 
 ORA-01017 
 You tried to log into Oracle with an invalid username/password combination.無效的用戶名/口令 
  
NO_DATA_FOUND 
 ORA-01403 
 SELECT INTO沒有找到數(shù)據(jù)You tried one of the following: 
You executed a SELECT INTO statement and no rows were returned.You referenced an uninitialized row in a table.You read past the end of file with the UTL_FILE package.  
TOO_MANY_ROWS 
 ORA-01422 
 SELECT INTO 返回多行You tried to execute a SELECT INTO statement and more than one row was returned. 
  
ZERO_DIVIDE 
 ORA-01476 
 試圖被零除You tried to divide a number by zero. 
  
INVALID_NUMBER 
 ORA-01722 
 轉換一個數(shù)字失敗You tried to execute an SQL statement that tried to convert a string to a number, but it was unsuccessful. 
  
STORAGE_ERROR 
 ORA-06500 
 內(nèi)存不夠或內(nèi)存被破壞引發(fā)的內(nèi)部錯誤You ran out of memory or memory was corrupted. 
  
PROGRAM_ERROR 
 ORA-06501 
 內(nèi)部錯誤,需重新安裝數(shù)據(jù)字典視圖和pl/sql包This is a generic “Contact Oracle support” message because an internal problem was encountered. 
  
VALUE_ERROR 
 ORA-06502 
 賦值操作,變量長度不足,觸發(fā)該異常You tried to perform an operation and there was a error on a conversion, truncation, or invalid constraining of numeric or character data. 
  
ROWTYPE_MISMATCH 
 ORA-6504 
 宿主游標變量與 PL/SQL變量有不兼容行類型 
  
CURSOR_ALREADY_OPEN 
 ORA-06511 
 試圖打開一個已打開的游標You tried to open a cursor that is already open. 
  
ACCESS_INTO_NULL 
 ORA-6530 
 試圖為null 對象的屬性賦值 
  
COLLECTION_IS_NULL 
 ORA-6531 
 試圖給沒有初始化的嵌套表變量或者Varry變量賦值 
  
SUBSCRIPT_OUTSIDE_LIMIT 
 ORA-6532 
 對嵌套或varray索引使用了負數(shù) 
  
SUBSCRIPT_BEYOND_COUNT 
 ORA-6533 
 對嵌套或varray索引的引用大于集合中元素的個數(shù) 
  
 
 
  本文出自:億恩科技【www.cmtents.com】 
      
      
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