Choosing the right query
By now we've seen what queries are available in Elasticsearch, both the simple ones and the ones that can group other queries as well. Before continuing with more complicated topics, we would like to discuss which of the queries should be used for which use case. Of course, one could dedicate the whole book to showing different queries use cases, so we will only show a few of them to help you see what you can expect and which query to use.
The use cases
As you already know which queries can be used to find which data, what we would like to show you are example use cases using the data we indexed in Chapter 2, Indexing Your Data. To do this, we will start with a few guiding lines on how to chose the query and then we will ...