A file created by Oracle Net Configuration Assistant that contains the following directory configuration information:
Type of directory
Location of the directory
Default directory entry that contain an Oracle Context from which connect identifiers can be created, modified, or looked up
The ldap.ora file must reside in one of the following locations:
The directory specified by the TNS_ADMIN environment variable If the TNS_ADMIN environment variable is not defined as a variable on Windows NT, it may be in the registry.
Oracle Net Services Configuration Overview
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