fix docs

docs/en/operations/system-tables/asynchronous_insert_log.md

@@ -13,7 +13,7 @@ ClickHouse does not delete data from the table automatically. See [Introduction]
 
 Columns:
 
-- `hostname` ([String](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
+- `hostname` ([LowCardinality(String)](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
 - `event_date` ([Date](../../sql-reference/data-types/date.md)) — The date when the async insert happened.
 - `event_time` ([DateTime](../../sql-reference/data-types/datetime.md)) — The date and time when the async insert finished execution.
 - `event_time_microseconds` ([DateTime64](../../sql-reference/data-types/datetime64.md)) — The date and time when the async insert finished execution with microseconds precision.

docs/en/operations/system-tables/asynchronous_metric_log.md

@@ -7,7 +7,7 @@ Contains the historical values for `system.asynchronous_metrics`, which are save
 
 Columns:
 
-- `hostname` ([String](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
+- `hostname` ([LowCardinality(String)](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
 - `event_date` ([Date](../../sql-reference/data-types/date.md)) — Event date.
 - `event_time` ([DateTime](../../sql-reference/data-types/datetime.md)) — Event time.
 - `name` ([String](../../sql-reference/data-types/string.md)) — Metric name.

docs/en/operations/system-tables/backup_log.md

@@ -7,7 +7,7 @@ Contains logging entries with the information about `BACKUP` and `RESTORE` opera
 
 Columns:
 
-- `hostname` ([String](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
+- `hostname` ([LowCardinality(String)](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
 - `event_date` ([Date](../../sql-reference/data-types/date.md)) — Date of the entry.
 - `event_time_microseconds` ([DateTime64](../../sql-reference/data-types/datetime64.md)) — Time of the entry with microseconds precision.
 - `id` ([String](../../sql-reference/data-types/string.md)) — Identifier of the backup or restore operation.

docs/en/operations/system-tables/crash-log.md

@@ -7,7 +7,7 @@ Contains information about stack traces for fatal errors. The table does not exi
 
 Columns:
 
-- `hostname` ([String](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
+- `hostname` ([LowCardinality(String)](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
 - `event_date` ([DateTime](../../sql-reference/data-types/datetime.md)) — Date of the event.
 - `event_time` ([DateTime](../../sql-reference/data-types/datetime.md)) — Time of the event.
 - `timestamp_ns` ([UInt64](../../sql-reference/data-types/int-uint.md)) — Timestamp of the event with nanoseconds.

docs/en/operations/system-tables/metric_log.md

@@ -6,7 +6,7 @@ slug: /en/operations/system-tables/metric_log
 Contains history of metrics values from tables `system.metrics` and `system.events`, periodically flushed to disk.
 
 Columns:
-- `hostname` ([String](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
+- `hostname` ([LowCardinality(String)](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
 - `event_date` ([Date](../../sql-reference/data-types/date.md)) — Event date.
 - `event_time` ([DateTime](../../sql-reference/data-types/datetime.md)) — Event time.
 - `event_time_microseconds` ([DateTime64](../../sql-reference/data-types/datetime64.md)) — Event time with microseconds resolution.

docs/en/operations/system-tables/part_log.md

@@ -9,7 +9,7 @@ This table contains information about events that occurred with [data parts](../
 
 The `system.part_log` table contains the following columns:
 
-- `hostname` ([String](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
+- `hostname` ([LowCardinality(String)](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
 - `query_id` ([String](../../sql-reference/data-types/string.md)) — Identifier of the `INSERT` query that created this data part.
 - `event_type` ([Enum8](../../sql-reference/data-types/enum.md)) — Type of the event that occurred with the data part. Can have one of the following values:
     - `NewPart` — Inserting of a new data part.

docs/en/operations/system-tables/processors_profile_log.md

@@ -4,7 +4,7 @@ This table contains profiling on processors level (that you can find in [`EXPLAI
 
 Columns:
 
-- `hostname` ([String](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
+- `hostname` ([LowCardinality(String)](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
 - `event_date` ([Date](../../sql-reference/data-types/date.md)) — The date when the event happened.
 - `event_time` ([DateTime](../../sql-reference/data-types/datetime.md)) — The date and time when the event happened.
 - `event_time_microseconds` ([DateTime64](../../sql-reference/data-types/datetime64.md)) — The date and time with microseconds precision when the event happened.

docs/en/operations/system-tables/query_log.md

@@ -34,7 +34,7 @@ You can use the [log_formatted_queries](../../operations/settings/settings.md#se
 
 Columns:
 
-- `hostname` ([String](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
+- `hostname` ([LowCardinality(String)](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
 - `type` ([Enum8](../../sql-reference/data-types/enum.md)) — Type of an event that occurred when executing the query. Values:
     - `'QueryStart' = 1` — Successful start of query execution.
     - `'QueryFinish' = 2` — Successful end of query execution.

docs/en/operations/system-tables/query_thread_log.md

@@ -18,7 +18,7 @@ You can use the [log_queries_probability](../../operations/settings/settings.md#
 
 Columns:
 
-- `hostname` ([String](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
+- `hostname` ([LowCardinality(String)](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
 - `event_date` ([Date](../../sql-reference/data-types/date.md)) — The date when the thread has finished execution of the query.
 - `event_time` ([DateTime](../../sql-reference/data-types/datetime.md)) — The date and time when the thread has finished execution of the query.
 - `event_time_microsecinds` ([DateTime](../../sql-reference/data-types/datetime.md)) — The date and time when the thread has finished execution of the query with microseconds precision.

docs/en/operations/system-tables/query_views_log.md

@@ -18,7 +18,7 @@ You can use the [log_queries_probability](../../operations/settings/settings.md#
 
 Columns:
 
-- `hostname` ([String](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
+- `hostname` ([LowCardinality(String)](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
 - `event_date` ([Date](../../sql-reference/data-types/date.md)) — The date when the last event of the view happened.
 - `event_time` ([DateTime](../../sql-reference/data-types/datetime.md)) — The date and time when the view finished execution.
 - `event_time_microseconds` ([DateTime](../../sql-reference/data-types/datetime.md)) — The date and time when the view finished execution with microseconds precision.

docs/en/operations/system-tables/session_log.md

@@ -7,7 +7,7 @@ Contains information about all successful and failed login and logout events.
 
 Columns:
 
-- `hostname` ([String](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
+- `hostname` ([LowCardinality(String)](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
 - `type` ([Enum8](../../sql-reference/data-types/enum.md)) — Login/logout result. Possible values:
     - `LoginFailure` — Login error.
     - `LoginSuccess` — Successful login.

docs/en/operations/system-tables/text_log.md

@@ -7,7 +7,7 @@ Contains logging entries. The logging level which goes to this table can be limi
 
 Columns:
 
-- `hostname` ([String](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
+- `hostname` ([LowCardinality(String)](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
 - `event_date` (Date) — Date of the entry.
 - `event_time` (DateTime) — Time of the entry.
 - `event_time_microseconds` (DateTime) — Time of the entry with microseconds precision.

docs/en/operations/system-tables/trace_log.md

@@ -12,7 +12,7 @@ To analyze logs, use the `addressToLine`, `addressToLineWithInlines`, `addressTo
 
 Columns:
 
-- `hostname` ([String](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
+- `hostname` ([LowCardinality(String)](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
 - `event_date` ([Date](../../sql-reference/data-types/date.md)) — Date of sampling moment.
 - `event_time` ([DateTime](../../sql-reference/data-types/datetime.md)) — Timestamp of the sampling moment.
 - `event_time_microseconds` ([DateTime64](../../sql-reference/data-types/datetime64.md)) — Timestamp of the sampling moment with microseconds precision.

docs/en/operations/system-tables/zookeeper_log.md

@@ -9,7 +9,7 @@ For requests, only columns with request parameters are filled in, and the remain
 
 Columns with request parameters:
 
-- `hostname` ([String](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
+- `hostname` ([LowCardinality(String)](../../sql-reference/data-types/string.md)) — Hostname of the server executing the query.
 - `type` ([Enum](../../sql-reference/data-types/enum.md)) — Event type in the ZooKeeper client. Can have one of the following values:
     - `Request` — The request has been sent.
     - `Response` — The response was received.