How to modify tablespace in Oracle
Method: 1. Use the "alter table table name move tablespace table space name" statement to modify the table space; 2. Use the "alter index index name rebuild tablespace table space name" statement to modify the index space of the table.
The operating environment of this tutorial: Windows 10 system, Oracle 11g version, Dell G3 computer.
How does Oracle modify the table space
1. Use imp/exp. Export the source database first, then create a new database, create the table space, and then import it. (It is said that this is possible, provided that the new library cannot have a table space with the same name as the source library. It needs to be verified!)
2. Use a script to make modifications. According to current understanding, the table space and table index space need to be modified in the case of full length. If a table with BOLB fields is involved, the modification method is different!
Modification script under normal circumstances:
1. Modify the table space
alter table TABLE_NAME move tablespace TABLESPACENAME
Query all tables under the current user
select 'alter table '|| table_name ||' move tablespace tablespacename;' from user_all_tables;
2. Modify the table The index space
alter index INDEX_NAME rebuild tablespace TABLESPACENAME
Query all indexes under the current user
select 'alter index '|| index_name ||' rebuild tablespace tablespacename;' from user_indexes;
Recommended tutorial: "Oracle Tutorial"
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