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ANALYZE TABLE my_database.my_table compute statistics for column1, column2, column3; -- column stats for non-partitioned table
ANALYZE TABLE my_database.my_table PARTITION (YEAR=2017, MONTH=11, DAY=30, HOUR=0) compute statistics for column1, column2, column3; -- column stats for single hour of partitioned table
ANALYZE TABLE my_database.my_table PARTITION (YEAR=2017, MONTH=11, DAY=30, HOUR) compute statistics for column1, column2, column3; -- column stats for a single day of partitioned table
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