In Kusto and the services Azure Data Explorer and Synapse Data Explorer, there is one main part of the meta data queries – the .show command. The .show command preceeds the rest of the following commands for exploring the meta data in the engine:
- queries
- commands
- commands-and-queries
- journal
- operations
- ingestion failures
- table data statistics
Read on for examples of how the .show command can be quite useful.