You're dealing with a database table containing invoice information. Columns in the table include invoice id and billing state. You wish to delete duplicate billing state data and arrange the results by invoice ID. You create the SQL query listed below. Add a DISTINCT clause to the billing state column to remove duplicate data. NOTE: The three dots (...) indicate where to add the clause. SELECT billing_state FROM invoice ORDER BY invoice_id

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SQL Query

Structured Query Language is the full form of SQL. It is one of the standard languages to deal with the relational database. It is used to insert, update, delete, and search the records stored in a RDBMS. The relational databases are created and managed by using SQL.