V$ARCHIVED_LOG displays archived log information from the control file, including archive log names. An archive log record is inserted after the online redo log is successfully archived or cleared (name column is NULL if the log was cleared). If the log is archived twice, there will be two archived log records with the same THREAD#, SEQUENCE#, and FIRST_CHANGE#, but with a different name. An archive log record is also inserted when an archive log is restored from a backup set or a copy and whenever a copy of a log is made with the RMAN COPY command.
block_size NUMBER Redo log block size. This is the logical block size of the archived log, which is the same as the logical block size of the online log from which the archived log was opied. The online log logical block size is a platform. specific value that is not adjustable by the user.
block NUMBER Size of the archived log (in blocks)
fisrt_time DATE Timestamp of the first change
SELECT SUM(block_size*blocks)/1024/1024/1024 "SIZE(MB)"
WHERE TRUNC(first_time) >= TRUNC(sysdate-1)
AND TRUNC(first_time) < TRUNC(sysdate);
SELECT TRUNC(first_time) "TIME",SUM(block_size*blocks)/1024/1024/1024 "SIZE(MB)"
GROUP BY TRUNC(first_time);
来自 “ ITPUB博客 ” ，链接：http://blog.itpub.net/25756293/viewspace-757242/，如需转载，请注明出处，否则将追究法律责任。