sorry I am newbie to spark.

When I created a database in pyspark shell following the book content of learning spark 2.0, it gets:

>>> spark.sql("CREATE DATABASE learn_spark_db")
21/12/08 09:01:34 WARN HiveConf: HiveConf of name hive.stats.jdbc.timeout does not exist 21/12/08 09:01:34 WARN HiveConf: HiveConf of name hive.stats.retries.wait does not exist 21/12/08 09:01:39 WARN ObjectStore: Version information not found in metastore. hive.metastore.schema.verification is not enabled so recording the schema version 2.3.0 21/12/08 09:01:39 WARN ObjectStore: setMetaStoreSchemaVersion called but recording version is disabled: version = 2.3.0, comment = Set by MetaStore pyh@185.213.174.249 21/12/08 09:01:40 WARN ObjectStore: Failed to get database default, returning NoSuchObjectException 21/12/08 09:01:40 WARN ObjectStore: Failed to get database global_temp, returning NoSuchObjectException 21/12/08 09:01:40 WARN ObjectStore: Failed to get database learn_spark_db, returning NoSuchObjectException

Can you point to me where is wrong?

Thanks.

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