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The Query Builder is a tool for manipulating your data. The Query Builder takes a table (or tables), performs some type of data manipulation, and produces a new table. The set of data manipulation instructions defined in the Query Builder is called a query. There are several types of data manipulation you can perform in the Query Builder including:
Creating new columns based on values of existing columns
Summarizing data
Sorting data
Creating a subset of your data
Joining data tables