错误描述 在Win7下安装了Oracle 11g R2,在用Navicat去连接Oracle时,提示以下错误: Cannot load OCI DLL, 126: Instant Client package is required for Baic and TNS connection For more information: http://wiki.navicat.com/wiki/index.php/Instant_client_required 错误原因 本地安装的是64位的Oracl…