Apache Arrow Flight SQL is “a new client-server protocol developed by the Apache Arrow community for interacting with SQL databases that makes use of the Arrow in-memory columnar format and the Flight RPC framework.” In this article, we’ll explore some of the advantages of Arrow Flight SQL, as well as how to read table metadata from an SQL database. Reading table metadata from an SQL database is crucial for several reasons. 

First, it provides essential information about the table’s structure, including column names, data types, and constraints. 

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