How to retrieve selected fields from a search query?

How to retrieve selected fields from a search query?

By default, each hit in the search response includes the document _source, which is the entire JSON object that was provided when indexing the document. There are two recommended methods to retrieve selected fields from a search query:

How to create an index on a single field?

To create an index, you first decide whether you want to create a single-field index or a multiple-field index. You create an index on a single field by setting the Indexed property. The following table lists the possible settings for the Indexed property.

How to sort table by multiple field index?

When you sort a table by a multiple-field index, Access sorts first by the first field defined for the index. You set the order of the fields when you create a multiple-field index. If there are records with duplicate values in the first field, Access sorts next by the second field defined for the index, and so on.

How does access use indexes in a table?

Access uses indexes in a table as you use an index in a book: to find data, Access looks up the location of the data in the index. In some instances, such as for a primary key, Access automatically creates an index for you. At other times, you might want to create an index yourself.

Where do I find the indexes for a table?

You might want to see the indexes for a table to weigh their impact on performance, or to ensure that particular fields are indexed. In the Navigation Pane, right-click the name of the table that you want to edit the index in, and then click Design View on the shortcut menu. On the Design tab, in the Show/Hide group, click Indexes.

Where do I set the properties of an index?

In the Indexes window, under Index Properties, set the index properties for the row in the Index Name column that contains the name of the index. Set the properties according to the following table. If Yes, the index is the primary key. If Yes, every value in the index must be unique.