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Use the Tables tab to select the tables, derived tables, and views you want to include in your query. You can create derived tables using the Create a Derived Table button. You cannot create views in the Query Editor, but you can create them in Interactive SQL and reference them in the Query Editor.
Include tables that you want to get data from, and tables that you want to include in joins. If you include more than one table or view in your query, you should use the Joins tab to specify how the tables are to be joined.
If you are including more than one table in your query, and the tables are large, you should define a join strategy on the Joins tab after adding each table. The processing can become very slow if you do not change the join strategy because the Query Editor sometimes has to default to a cross product and the Query Editor processes your query as you work.
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