--查看表空间 select * from dba_tablespaces; select * from v$tablespace; select * from dba_data_files; --查看数据文件select * from v$datafile; select * from dba_temp_files; --查看临时文件select * from v$tempfile; --查默认表空间和临时表空间 select * from database_propertieswhere p…
create table as select * from和insert into select from两种表复制语句区别 create table targer_table as select * from source_table insert into target_table(column1,column2) select column1,column2 from source_table 以上两句都是将源表source_table的记录插入到目标表target_table,但两句又…