clickhouseList all tables from all database

Usage example

SELECT database, table FROM system.tables

output

┌─database───────────┬─table──────────────────────────┐
│ INFORMATION_SCHEMA │ COLUMNS                        │
│ INFORMATION_SCHEMA │ SCHEMATA                       │
│ INFORMATION_SCHEMA │ TABLES                         │
│ INFORMATION_SCHEMA │ VIEWS                          │
│ default            │ tbl                            │
│ default            │ tbl1                           │
...