If the oracle client is not installed, use plsql to connect to oracle and oracleplsql.

If the oracle client is not installed, use plsql to connect to oracle and oracleplsql.
1.1. Download the Instant Client

Official Website:

Http://www.oracle.com/technetwork/cn/database/features/instant-client/index-092699-zhs.html

Download the instantclient-basic Package and decompress it to the local device. In this test, the package is D: \ JavaEEServer \ instantclient_10_2.

1.2. Configure sqlnet. ora

Sqlnet. ora (located in instantclient-basic)

SQLNET. AUTHENTICATION_SERVICES = (CNT) NAMES. DIRECTORY_PATH = (TNSNAMES, EZCONNECT)

1.3. Configure tnsnames. ora

Tnsnames. ora (located in instantclient-basic)

# Neikong is the name of the oracle service instance. Set this parameter based on your actual situation. Neikong =   (DESCRIPTION =   (ADDRESS_LIST =   #172.16.3.153 fill in according to the actual situation, if you need to modify the port number, you can also modify (ADDRESS = (PROTOCOL = TCP) (HOST =172.16.3.153) (PORT = 1521 ))   )   (CONNECT_DATA =   (SERVICE_NAME = neikong)   )   )

1.4. Configure Environment Variables

Variable name	TNS_ADMIN
Variable value	D: \ JavaEEServer \ instantclient_10_2

 

1.5. Configure PL/SQLDeveloper

Install PL/SQL Developer and configure oracle Connection parameters: Open PL/SQL, Tools --> Preferences, and configure Oracle Home and OCI library for Connection, as shown in

1.6. Restart and enter the user name and password for testing