What is the show current role statement in Impala?

SHOW CURRENT ROLES The SHOW CURRENT ROLES statement displays roles assigned to the current user. This syntax is available in Impala 2.0 and later only, when you are using the Sentry authorization framework along with the Sentry service, as described in Managing Privileges.

How is the optional pattern argument used in Impala?

The optional pattern argument is a quoted string literal, using Unix-style * wildcards and allowing | for alternation. The preceding LIKE keyword is also optional. All object names are stored in lowercase, so use all lowercase letters in the pattern string. For example: Cancellation: Cannot be cancelled.

What is the show file statement in Apache Impala?

The SHOW FILES statement displays the files that constitute a specified table, or a partition within a partitioned table. This syntax is available in Impala 2.2 and higher only. The output includes the names of the files, the size of each file, and the applicable partition for a partitioned table.

What is the default database name in Impala?

The DEFAULT database is the one you initially connect to; a database with that name is present on every system. You can issue SHOW TABLES IN db_name without going into a database, or SHOW TABLES once you are inside a particular database.

Why was there chaos in Parliament on Thursday?

Chaos broke out in parliament on Thursday after EFF deputy leader Floyd Shivambu attempted to stop President Cyril Ramaphosa from answering questions. It all started after Shivambu asked Ramaphosa not to address the House following reports that he had been “suspended” by ANC secretary-general Ace Magashule.

Can a cancellation statement be cancelled in Impala?

Cancellation: Cannot be cancelled. The SHOW FILES statement displays the files that constitute a specified table, or a partition within a partitioned table. This syntax is available in Impala 2.2 and higher only. The output includes the names of the files, the size of each file, and the applicable partition for a partitioned table.