May 17, 2011 · ORA-00904: string: invalid identifier Cause: The column name entered is either missing or invalid. Action: Enter a valid column name. A valid column name must begin with a letter, be less than or equal to 30 characters, and consist of only alphanumeric characters and the special characters $, _, and #.

Apr 20, 2011 · 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. But if you use double quotes to create a quoted identifier, that identifier must always be referenced with double quotes and with the correct case. For ...

Sep 17, 2010 · → returns Error: Invalid identifier "avg" The thing is I only need to select the avg column, so I cannot do select comp_table.*. Can you guys please help? Also, if you could kindly provide some tuning tips for the query, that would be awesome.

Oct 13, 2013 · SQL- Invalid identifier when creating foreign key- SQL Error: ORA-00904. 1.

Mar 23, 2016 · ORA-00904 "Invalid identifier” for an identifier in a group by clause. Related. 119. ORA-00904: invalid ...

Apr 8, 2017 · When I try to create a table it fails with ORA-00904: : invalid identifier. Here is my table. create table eas_citizen_text_info ( UID bigint(12) Primary key, Gender char(15), First_name

Dec 17, 2010 · As previously mentioned, change "DATE" to something more descriptive and not reserved. also, it seems TINYINT does not work in a table create so change that to NUMBER(1), as well as Tony's correct suggestion of reducing the name size (<=30 chrs)

Nov 21, 2013 · Query throws ORA-00904 Invalid Identifier when using joins. 0. ORA-00905: missing keyword in oracle query. 0.

May 8, 2012 · The problem is that the alias e is not available within the nested select and hence the "invalid identifier". You can try to rewrite the query so that the conditions s.cd_quest = e.cd_quest and s.item = e.cd_etapa are part of the main select instead of the nested select.

Sep 21, 2012 · We have a table like this: number branch code 1000 center XXCO 1001 xyz XXER 1002 zyx XXRE 2000 center2 YYCO 2001 xyz YYER 2002 zyx YYRE All the items that have "CO" in the end of their code are