NDB Cluster Configuration Files SET_VAR  Hint Applies No Type Integer Default Value 10 System Variable ndbinfo_offline Scope Global Dynamic Yes SET_VAR  Hint Applies No Type Boolean Default Value OFF Used in testing and debugging only. • ndbinfo_offline • ndbinfo_show_hidden Place the  ndbinfo  database into offline mode, in which tables and views can be opened even when they do not actually exist, or when they exist but have different definitions in  NDB . No rows are returned from such tables (or views). Whether or not the  ndbinfo  database’s underlying internal tables are shown in the  mysql  client. The default is  OFF . • ndbinfo_table_prefix The prefix used in naming the ndbinfo database’s base tables (normally hidden, unless exposed by setting  ndbinfo_show_hidden ). This is a read-only variable whose default value is  ndb$ ; the prefix itself is determined at compile time. 4196 System Variable ndbinfo_table_prefix Scope Global Dynamic No SET_VAR  Hint Applies No Type String Default Value ndb$ Command-Line Format --ndbinfo-show-hidden[={OFF|ON}] System Variable ndbinfo_show_hidden Scope Global, Session Dynamic Yes SET_VAR  Hint Applies No Type Boolean Default Value OFF Valid Values ON OFF