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Common Oracle Server Error Messages
ORA-00950
ORA-00950 invalid DROP option What causes an ORA-00950 error? A DROP command was not followed
ORA-00955
ORA-00955 name is already used by an existing object What causes an ORA-00955 error? An
ORA-00957
ORA-00957 duplicate column name What causes an ORA-00957 error? A column name was specified twice
ORA-00922
ORA-00922 missing or invalid option What causes an ORA-00922 error? An invalid option was specified
ORA-00960
ORA-00960 ambiguous column naming in select list What causes an ORA-00960 error? A column name
ORA-00923
ORA-00923 FROM keyword not found where expected What causes an ORA-00923 error? In a SELECT
ORA-00969
ORA-00969 missing ON keyword What causes an ORA-00969 error? The keyword ON in a GRANT,
ORA-00925
ORA-00925 missing INTO keyword What causes an ORA-00925 error? An INSERT statement has been entered
ORA-00971
ORA-00971 missing SET keyword What causes an ORA-00971 error? The keyword SET in an UPDATE
ORA-00926
ORA-00926 missing VALUES keyword What causes an ORA-00926 error? An INSERT statement has been entered
ORA-00927
ORA-00927 missing equal sign What causes an ORA-00927 error? An equal sign has been omitted
ORA-00928
ORA-00928 missing SELECT keyword What causes an ORA-00928 error? A SELECT subquery must be included
ORA-00932
ORA-00932 inconsistent datatypes: expected string got string What causes an ORA-00932 error? One of the
ORA-00933
ORA-00933 SQL command not properly ended What causes an ORA-00933 error? The SQL statement ends
ORA-00934
ORA-00934 group function is not allowed here What causes an ORA-00934 error? One of the
ORA-00936
ORA-00936 missing expression What causes an ORA-00936 error? A required part of a clause or
ORA-00937
ORA-00937 not a single-group group function What causes an ORA-00937 error? A SELECT list cannot
ORA-00942
ORA-00942 table or view does not exist What causes an ORA-00942 error? The table or
ORA-01400
ORA-01400 cannot insert NULL into (string) What causes an ORA-01400 error? An attempt was made
ORA-01403
ORA-01403 no data found What causes an ORA-01403 error? In a host language program, all
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