Database Resident Connection Pooling is a new feature of Oracle Database 11g. It is useful for short lived scripts such as typically used by web applications. It allows the number of connections to be scaled as web site usage grows. It allows multiple Apache processes on multiple machines to ...
（2）查看数据库的默认字符集：show variables like ‘character_set_server’;查询当前数据库的字符集：show variables like ‘character_set_database’;3.1.3 数据迁移避免乱码客户端字符集很重要，输入数据时，包括文本输入和屏幕输入等，客户端会以这个字符集来解析输入的文本，如果实际输入的字符集与客户端字符...
If you observe latency while working with the Oracle database, install the latest 64-bit Oracle Data Access Components (ODAC) on the gateway machine or each gateway machine, if the gateway is a cluster. If Oracle connection creation fails with a timeout, try using an Oracle credential with ...
If you observe latency while working with the Oracle database, install the latest 64-bit Oracle Data Access Components (ODAC) on the gateway machine or each gateway machine, if the gateway is a cluster. If Oracle connection creation fails with a timeout, try using an Oracle credential with ...
logger.error('Faild to gconnection to oracle Database', exc_info=True)if__name__=="__main__": gc.collect() logtarget= os.path.basename(__file__).split('.')[0] logger= logconf.logconf(logtarget)#init log configword = getword()#get password character setdb,cursor=condb()#connec...
Whenusing named bind variables you can check the currently assigned ones using thebindnames() method of the cursor: >>> printcursor.bindnames() ['DEPT_ID', 'SAL'] 4. 批量插入 大量插入插入操作,可以使用python的批量插入功能,无需多次单独调用insert,这样可以提升性能。参考后面示例代码。
except cx_Oracle.DatabaseError as e: print("Problem connecting to Oracle", e) finally: # Close connection cursor.close() con.close() 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20.
1. 使用SQL*Plus连接Oracle数据库：```sqlplus username/password@host:port/service_name ```其中，`username`是Oracle数据库的用户名，`password`是密码，`host`是主机名，`port`是端口号，`service_name`是服务名。2. 使用JDBC连接Oracle数据库：```import java.sql.Connection;import java.sql.DriverManager;i...
dbproj/settings.pycontains the project’s settings and configuration, such as database connection information, time zone, and language code, as well as information about the applications installed in the project. dbproj/__init__.pyindicates that this directory is a Python package, thus enabling yo...
cx_Oracle is an open source package for the Python Database API specification with many additions to support advanced Oracle Database features. This release introduces useful changes, many around connection handling. For all changes see therelease notes. ...