The nonlinear regression is the process of optimizing the parameters of nonlinear function under the precondition of the nonlinear relation of the variables, and the optimized parameters make the model's RSS (residual squared sum) minimum. The most
ORA-12705: Cannot access NLS data files or invalid environment specified, ora-12705nlsIf an accident occurs due to the configuration of the oracle client, you can directly Delete NLS_LANG from the environment variable.ORA-12705: Cannot access NLS
The installation of the HD sound card driver also caused another problem. The system could not be loaded, prompting the c_936.nls file to be lost or damaged, you have to go to system repair and perform fault repair. The c_936.nls file is actually a
I. Introduce a concept:NLS 'national Language Support (NLS) 'from the concept we can see that this parameter actually defines the Language environment for storing data in the database, when we set an nls, we actually specify some expressions
ora-12705:cannot Access NLS data files or invalid environment specified
The solution is as follows:
One
Open the Control Panel--> "Regional and language items"--> "Regional Options" card--> see if people are "Chinese" (most systems are like this),
In fact, this is a kernel configuration problem, mainly because the file system is incomplete. Of course, the USB driver and mass storage/SCSI disk/vfat support should be selected. If not, refer to the following:
1. Prompt
Unable to load NLS charset
1. NLS Parameter
Oracle called globalization support National Language Support (NLS ),You can set the NLS parameter at the Session, Instance, and Database levels.Session-level settings overwrite Instance-level settings, and Instance-level settings
The solution is as follows:
One
Open the Control Panel--> "Regional and language items"--> "Regional Options" card--> see if people are "Chinese" (most systems are like this), well, look at it, huh.Open your MyEclipse directory there is an Eclipse
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