anchor.diff:  {@link examples.SQLExamples#example7}
   ----
   
  -=== Closing connections
  +==== Closing connections
   
   When you've done with the connection you should return it to the pool with {@link io.vertx.ext.sql.SQLConnection#close(io.vertx.core.Handler)}.
   
  
positive.code: {@link examples.SqlClientExamples#examplePreparedQueryManual}
  ----
  
  
  == Getting a connection
  
  Once you've created a client you use {@link io.vertx.ext.jdbc.JDBCClient#getConnection(io.vertx.core.Handler)} to get
  a connection.
  
negative.code: {@link examples.SQLExamples#example6}
  ----
  
  ==== Multiple ResultSet responses
  
  In some cases your query might return more than one result set, in this case and to preserve the compatibility when
  the returned result set object is converted to pure json, the next result sets are chained to the current result set
  