eded when <a href="../../../../jakarta/security/enterprise/identitystore/DatabaseIdentityStoreDefinition.html#useFor--"><code>useFor()</code></a> contains
 <a href="../../../../jakarta/security/enterprise/identitystore/IdentityStore.ValidationType.html#VALIDATE"><code>IdentityStore.ValidationType.VALIDATE</code></a>.

 <p>
 The name of the caller that is to be authenticated has to be set as the
 one and only placeholder. The (hashed) password should be in the first
 column of the result.

 <p>
 Example quer