React-Query’s useQuery hook provides several powerful options that can help you build flexible and efficient data-fetching solutions in your React applications., If set, this value will be used as the placeholder data for this particular query observer while the query is still in the loading data and no initialData has been provided., You must not put the ? parameter placeholders inside a quoted SQL string literals in your query. Parameters are an alternative to using string literals. I would write the query like this: FROM restaurants r. JOIN food f ON f.restid = r.restid. JOIN drinks d ON d.restid = r.restid. WHERE f.foodcategory LIKE ?, We make use of Placeholder in forms, to show data related to the entity. For example let's say we have an EditUser page and form. We are using Placeholder as an example while viewing this page, to show some interesting live updating status about some thing based on this user., We make use of Placeholder in forms, to show data related to the entity. For example let's say we have an EditUser page and form. We are using Placeholder as an example while viewing this page, to show some interesting live updating status about some thing based on this user., {JSON} Placeholder Free fake and reliable API for testing and prototyping. Powered by JSON Server + LowDB. Serving ~3 billion requests each month..