Why the Operation Fails When the Table Name Is TABLE?

Question

When the table name is set to table, why the error information similar to the following is displayed after the drop table table command or other command is run?

16/07/12 18:56:29 ERROR SparkSQLDriver: Failed in [drop table table]
java.lang.RuntimeException: [1.1] failure: identifier expected
table
^
at scala.sys.package$.error(package.scala:27)
at org.apache.spark.sql.catalyst.SqlParserTrait$class.parseTableIdentifier(SqlParser.scala:56)
at org.apache.spark.sql.catalyst.SqlParser$.parseTableIdentifier(SqlParser.scala:485)

Answer

The word table is a keyword of Spark SQL statements and must not be used as a table name.