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moving clob columns online

in Database Administration (MOSC) 5 commentsAnswered ✓

Hi everyone,

We have several databases on 19c and 11g, We are planning to move clob column to another tablespace.

Since we are 24 X7, we canNOT offline the application:

1a. Can the tablespace / table remain online while the move is in progress.
ALTER TABLE xxx MOVE LOB(lobcol) STORE AS lobsegment
(TABLESPACE new_tbsp STORAGE (new_storage));


1b. If not, How to make the move online as application is running?

2. How does this move affect data guard? is there any restrictions?

Please advise.

Appreciated !

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