Returns information about the database, including the database name, time that the database was created, and the total number of tables found within the database. <a href="https://docs.aws.amazon.com/timestream/latest/developerguide/ts-limits.html">Service quotas apply</a>. See <a href="https://docs.aws.amazon.com/timestream/latest/developerguide/code-samples.describe-db.html">code sample</a> for details.