{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do blockchain plugins improve data throughput with PostgreSQL databases?","a":"ptimize query performance：The plugin can analyze and optimize the query performance by identifying and addressing  performance bottlenecks in the database."}]}],"pr":"a57a2a5bd677e5e140da5efa7394dc0be41a91777985d6aacd5ab42db497cdf8"}