This provides the ability to perform various types of queries ranging from simple to complex queries that adhere to the Lucene query syntax. In the query bar, by default, KQL will be the query language. Go ahead and disable it as shown in the following screenshot. Once you disable it, KQL changes to Lucene in the query bar, as follows:
Let's see some examples:
Free Text search: To search for text present in any of the fields, simply enter a text string in the query bar:
When you enter a group of words ...
