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$ explain ( analyze on, format yaml ) select * from pg_class limit 1;
              QUERY PLAN              
--------------------------------------
 - Plan:
     Node Type: "Limit"
     Startup Cost: 0.00
     Total Cost: 0.04
     Plan Rows: 1
     Plan Width: 194
     Actual Startup Time: 0.010
     Actual Total Time: 0.010
     Actual Rows: 1
     Actual Loops: 1
     Plans:
       - Node Type: "Seq Scan"
         Parent Relationship: "Outer"
         Relation Name: "pg_class"
         Alias: "pg_class"
         Startup Cost: 0.00
         Total Cost: 10.81
         Plan Rows: 281
         Plan Width: 194
         Actual Startup Time: 0.007
         Actual Total Time: 0.007
         Actual Rows: 1
         Actual Loops: 1
   Triggers:
   Total Runtime: 0.124
(1 row)