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是否后续有持续性更高的发展 create database db01 maxlogfiles 10 maxdatafiles 1024 maxinstances 2 logfile GROUP 1 (\"/u01/oradata/db01/log_01_o\") SIZE 15M, GROUP 2 (\"/u01/oradata/db01/log_02_o\") SIZE 15M, GROUP 3 (\"/u01/oradata/db01/log_03_o\") SIZE 15M, datafile \"u01/oradata/db01/system_01_f\") SIZE 100M, undo tablespace UNDO datafile \"/u01/oradata/db01/undo_01_f\" SIZE 40M default temporary tablespace TEMP tempfile \"/u01/oradata/db01/temp_01_f\" SIZE 20M extent management local uniform size 128k character set AL32UTE8 national character set AL16UTF16 set time_zone=\"America/New_York\"; ############### 鏁版嵁瀛楀吀 ########## set wrap off select * from v$dba_users; grant select on table_name to user/rule; select * from user_tables; select * from all_tables; select * from dba_tables; revoke dba from user_name; shutdown immediate startup nomount select * from v$instance; select * from v$sga; select * from v$tablespace; alter session set nls_language=american; alter database mount; select * from v$database; alter database open; desc dictionary select * from dict; desc v$fixed_table; select * from v$fixed_table; set oracle_sid=foxconn select * from dba_objects; set serveroutput on execute dbms_t_line(\"sfasd\");