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英文字典中文字典相关资料:


  • sql - ORA-00904: invalid identifier - Stack Overflow
    I was doing an Oracle database link exercise mixed with join queries and this was exactly my problem I was getting ORA-00904: "A" "NOMBRE": invalid identifier errors and such, and the problem was solved adding double quotes in the column names where the errors popped –
  • SQL Error: ORA-02291: integrity constraint - Stack Overflow
    ORA-02291: integrity constraint (string string) violated - parent key not found Cause: A foreign key value has no matching primary key value Action: Delete the foreign key or add a matching primary key This means that there is no matching key in your referenced table EDIT #1
  • ORA-01403: no data found for Select into - Stack Overflow
    => no ORA-01403 raised: -- if NULL would be fine: select (select col from bar where 1=0) into v_foo from
  • Why do I have ORA-00904 even when the column is present?
    ORA-00904-invalid identifier errors are frequently caused by case-sensitivity issues Normally, Oracle tables and columns are not case sensitive and cannot contain punctuation marks and spaces Normally, Oracle tables and columns are not case sensitive and cannot contain punctuation marks and spaces
  • ORA-06502: PL SQL: numeric or value error: character string buffer too . . .
    ORA-06502: PL SQL: numeric or value error: character string buffer too small ORA-06512: at line 13 06502 00000 - "PL SQL: numeric or value error%s" FIXED by changing how I declared the variable "a" to: a varchar2(2000); *Notice that here, the significant change is to use VARCHAR2 instead of CHAR (not the bigger length)
  • SQL Error: ORA-00942 table or view does not exist
    The result will be "ORA-00942: table or view does not exist" even though user2 does have insert and select privileges on user1 customer table and is correctly prefixing the table with the schema owner name To avoid the problem, you must grant select privilege on the sequence:
  • sql - ORA-01821: date format not recognized error for ISO 8601 date . . .
    Even better to match the format exactly and not rely on Oracle's guessing right That is, the format model should follow the structure of the string literal; the format model should end with ff+TZHTZM (the + should be there explicitly in the model if it's in the literal argument, and there should be no : between THZ and TZM in the model if there's no : between them in the literal)
  • How to solve : SQL Error: ORA-00604: error occurred at recursive SQL . . .
    Stack Overflow for Teams Where developers technologists share private knowledge with coworkers; Advertising Reach devs technologists worldwide about your product, service or employer brand
  • ORA-12170: TNS:Connect timeout occurred - Stack Overflow
    Open listener ora file and replace the HOST value with the IP Address #Location --> opt oracle homes
  • ORA-02437: cannot validate lt;name gt; - primary key violated
    ALTER TABLE MY_TABLE DROP PRIMARY KEY DROP INDEX; ALTER TABLE MY_TABLE ADD CONSTRAINT PK_FOO PRIMARY KEY (MY_ID) ORA-02437: cannot validate PK_FOO - primary key violated My table only contains 3 entries all with a different primary key which is also not null Anyone has an idea what this could be? Thanks, Peter





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