Oracle Instance Client deployment record

Instance Client download

Official link: https://www.oracle.com/cn/database/technology/instant-client.html

Instance Client configuration

• Decompression path

E:\instantclient_12_2

• Environment variable

ORACLE_HOME = E:\instantclient_12_2
TNS_ADMIN = E:\instantclient_12_2\NETWORK\admin
NLS_LANG = SIMPLIFIED CHINESE_CHINA.ZHS16GBK
PATH = E:\instantclient_12_2

• New TNSNAMES.ORA configuration

ORCL =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = ZServer04)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = ORCL)
    )
  )

Check to confirm