My_diary/My operate logs.md

My operate logs

time: 2024-12-10 20:06

---

• change ext1

  dblogin userid ggs_user, password dreamking123
  
  alter extract ext1, database, begin timestamp '2024-12-10 18:00:00'
  
  
  

• add extract file

  add extract ext1, tranlog, begin now
  
  ADD EXTTRAIL ./dirdat/et, EXTRACT EXT1
  
  
  
  

• define a directory

  
  Directory created.
  
  26:
  SQL> DROP DIRECTORY DATA_PUMP_DIR;
  SQL> create directory DATA_PUMP_DIR as '/mnt/ogg';
  
  
  
  24:
  SQL> DROP DIRECTORY DATA_PUMP_DIR;
  SQL> CREATE DIRECTORY DATA_PUMP_DIR AS '/data/oracle/ogg/dirdat';
  
  
  CREATE DIRECTORY NEW_DATA_PUMP_DIR AS '/data/oracle/ogg/dirdat';
  
  

• trans database by schema

  expdp ggs_user/dreamking123 directory=DATA_PUMP_DIR dumpfile=laozhao_export.dmp schemas=laozhao
  expdp ggs_user/dreamking123 directory=DATA_PUMP_DIR dumpfile=laozhao_export.dmp schemas=laozhao logfile=laozhao_export.log
  
  
  
  impdp ggs_user/dreamking123 directory=DATA_PUMP_DIR dumpfile=laozhao_export.dmp
  impdp ggs_user/dreamking123 directory=DATA_PUMP_DIR dumpfile=laozhao_export.dmp logfile=laozhao_import.log
  
  impdp ggs_user/dreamking123 directory=DATA_PUMP_DIR dumpfile=laozhao_export.dmp logfile=laozhao_import.log TABLE_EXISTS_ACTION=REPLACE
  
  
  
  

• sysc scn

  SQL> SELECT current_scn FROM v$database;
  
  CURRENT_SCN
  -----------
      2426704