Getting information about schema objects

    Get information about a schema object:

    ydb scheme describe episodes --stats
    

    Result:

    ┌────────────┬─────────┬────────┬─────┐
    | Name       | Type    | Family | Key |
    ├────────────┼─────────┼────────┼─────┤
    | air_date   | Uint64? |        |     |
    | episode_id | Uint64? |        | K2  |
    | season_id  | Uint64? |        | K1  |
    | series_id  | Uint64? |        | K0  |
    | title      | Utf8?   |        |     |
    └────────────┴─────────┴────────┴─────┘
    
    Storage settings: 
    Internal channel 0 commit log storage pool: ssd
    Internal channel 1 commit log storage pool: ssd
    Store large values in "external blobs": false
    
    Column families: 
    ┌─────────┬──────┬─────────────┬────────────────┐
    | Name    | Data | Compression | Keep in memory |
    ├─────────┼──────┼─────────────┼────────────────┤
    | default | ssd  | None        |                |
    └─────────┴──────┴─────────────┴────────────────┘
    
    Auto partitioning settings: 
    Partitioning by size: true
    Partitioning by load: false
    Preferred partition size (Mb): 2048
    
    Table stats:
    Partitions count: 1
    Approximate number of rows: 70
    Approximate size of table: 11.05 Kb
    Last modified: Thu, 17 Jun 2021 11:01:06 UTC
    Created: Thu, 17 Jun 2021 11:00:29 UTC