Welcome to Ora Plumbing and Heating Contracting, LLC
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since 1991, ora plumbing and heating contracting, llc has provided fast, reliable, and guaranteed commercial, residential and industrial service to clients in westchester county
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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 –
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
Oracle client ORA-12541: TNS:no listener - Stack Overflow ORA-12541: TNS:no listener Cause: The connection request could not be completed because the listener is not running Action: Ensure that the supplied destination address matches one of the addresses used by the listener - compare the TNSNAMES ORA entry with the appropriate LISTENER ORA file (or TNSNAV ORA if the connection is to go by way of an
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:
ORA-01452: cannot CREATE UNIQUE INDEX; duplicate keys found If you had two identical values in the table - abcd twice, say, with the same case - then your ALTER TABLE would throw ORA-02299 despite the NOVALIDATE, as it won't be able to create the unique index to back that up In 11g you could create a virtual column and constrain that, but you have the same problem creating the unique index
SQL Error: ORA-12899: value too large for column ORA-12899: value too large for column "EXPORT_CODE" (actual: 12, maximum: 480) The problem is, that my code column is varchar2(120) so substr is up to 120 characters One can find, when creating a temporary table: