Searching and Comparing
The LDAP SDK allows you to compare a value in memory to the value of an attribute of an entry without actually retrieving the entry. This is called a compare operation. In many ways a compare can be simulated using a search by setting the scope of the search to SCOPE_BASE and providing a search filter with which the value can be compared; if an entry is returned, the compare operation was successful. A compare, however, may improve performance because the return data from the LDAP server is a small packet that says either that the value is the same or that it is different.
Let's examine a small piece of code to compare a specific record and see if the l attribute (the LDAP attribute for location) has the value Santa Clara ...
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