E:\s01\app\oracle\product.2.0\dbhome_1\BIN>tnsping CENORCL
TNS Ping Utility for 64-bit Windows: Version 11.2.0.1.0 - Production on 25-MAY-2015 10:26:59
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Used parameter files:
e:>tns
阅读背景：
TNSPING time out/响应慢
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