** Database Backup -- I have it. ** tnsnames.ora ** listener.ora ** sqlnet.ora ** pfile and spfile ** orapw file DBUA adds the selected listener to the listener.ora file of the target Oracle home, and starts it. DBUA removes the entry of the upgraded database from the old (source) listener.ora file. DBUA reloads the listener.ora file in both the source and target Oracle Database environments. proving that a quadrilateral is a parallelogram quiz part two
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