Apache Cassandra system_schema Keyspace
Explore the system_schema keyspace in Apache Cassandra and its role in storing metadata about user-defined keyspaces, tables, and data types for database management.
We'll cover the following...
The system_schema
keyspace
Cassandra maintains a predefined keyspace "system_schema"
to store metadata information about keyspaces, tables, columns, views, etc. The following screenshot demonstrates DESCRIBE KEYSPACES
lists of all keyspaces in the cluster, including system_schema
keyspace. The DESC TABLES
statement for system_schema
keyspace displays tables in the keyspace. Some key tables in the system_schema
keyspace include:
keyspaces
: Stores metadata about all keyspaces.tables
...