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    Common Oracle Server Error Messages


    ORA-00971 missing SET keyword What causes an ORA-00971 error? The keyword SET in an UPDATE


    ORA-00926 missing VALUES keyword What causes an ORA-00926 error? An INSERT statement has been entered


    ORA-00927 missing equal sign What causes an ORA-00927 error? An equal sign has been omitted


    ORA-00928 missing SELECT keyword What causes an ORA-00928 error? A SELECT subquery must be included


    ORA-00932 inconsistent datatypes: expected string got string What causes an ORA-00932 error? One of the


    ORA-00933 SQL command not properly ended What causes an ORA-00933 error? The SQL statement ends


    ORA-00934 group function is not allowed here What causes an ORA-00934 error? One of the


    ORA-00936 missing expression What causes an ORA-00936 error? A required part of a clause or


    ORA-00937 not a single-group group function What causes an ORA-00937 error? A SELECT list cannot


    ORA-00942 table or view does not exist What causes an ORA-00942 error? The table or


    ORA-00947 not enough values What causes an ORA-00947 error? This error occurs when a SQL


    ORA-00950 invalid DROP option What causes an ORA-00950 error? A DROP command was not followed


    ORA-00955 name is already used by an existing object What causes an ORA-00955 error? An


    ORA-00957 duplicate column name What causes an ORA-00957 error? A column name was specified twice


    ORA-00922 missing or invalid option What causes an ORA-00922 error? An invalid option was specified


    ORA-00960 ambiguous column naming in select list What causes an ORA-00960 error? A column name


    ORA-00923 FROM keyword not found where expected What causes an ORA-00923 error? In a SELECT


    ORA-00969 missing ON keyword What causes an ORA-00969 error? The keyword ON in a GRANT,


    ORA-01427 single-row subquery returns more than one row What causes an ORA-01427 error? The outer


    ORA-00972 identifier is too long What causes an ORA-00972 error? The name of a schema


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