m

db/nosql/column/clickhouse/clickhouse.txt

@@ -0,0 +1,39 @@
+https://clickhouse.com/
+https://clickhouse.com/clickhouse
+
+https://github.com/ClickHouse/ClickHouse
+
+https://clickhouse.com/docs
+https://clickhouse.com/learn
+https://clickhouse.com/blog
+
+https://clickhouse.com/docs/en/sql-reference/
+
+functions
+state functions, agg, accum
+    https://habr.com/ru/articles/842078/
+    https://habr.com/ru/companies/magnit/articles/825264/
+array
+    https://habr.com/ru/articles/836140/
+
+integrations
+https://clickhouse.com/docs/en/integrations/java/jdbc-driver
+
+compression
+https://habr.com/en/company/yandex/blog/457612/
+
+lsm
+https://habr.com/ru/companies/wildberries/articles/821865/
+
+internals
+https://habr.com/ru/companies/wildberries/articles/821865/
+    system.parts
+
+2020
+https://habr.com/ru/company/solarsecurity/blog/485850/
+https://habr.com/ru/articles/519168/
+2019
+https://tech.marksblogg.com/billion-nyc-taxi-rides-clickhouse-cluster.html
+    https://habr.com/ru/company/otus/blog/463665/
+2018
+https://habrahabr.ru/company/yandex/blog/347696/

db/nosql/column/clickhouse/client/cli.txt

@@ -0,0 +1,7 @@
+https://clickhouse.com/docs/en/integrations/sql-clients/cli
+
+https://clickhouse.com/docs/en/integrations/sql-clients/cli#cli_aliases
+    \l - SHOW DATABASES
+    \d - SHOW TABLES
+    \c <DATABASE> - USE DATABASE
+    . - repeat the last query

db/nosql/column/clickhouse/docker.txt

@@ -0,0 +1 @@
+https://hub.docker.com/_/clickhouse

db/nosql/column/clickhouse/feature/engines.txt

@@ -0,0 +1,4 @@
+https://clickhouse.com/docs/ru/engines/table-engines
+https://clickhouse.com/docs/ru/engines/table-engines/mergetree-family
+https://clickhouse.com/docs/ru/engines/table-engines/mergetree-family/replacingmergetree
+https://clickhouse.com/docs/en/engines/table-engines/special/join

db/nosql/column/clickhouse/feature/internals.txt

@@ -0,0 +1,21 @@
+https://clickhouse.com/docs/en/updating-data
+https://clickhouse.com/docs/en/guides/developer/lightweight-delete#lightweight-delete-internals
+
+mutations
+https://clickhouse.com/docs/en/sql-reference/statements/alter#mutations
+    alter ... update|delete
+    set mutations_sync 1
+
+https://clickhouse.com/docs/en/optimize/skipping-indexes
+    ! no secondary indices, because data is not stored in rows
+    skip inexes (skp_idx_)
+    ... alter table <> materialize index <> ... to apply newly added index
+
+2023
+https://clickhouse.com/blog/handling-updates-and-deletes-in-clickhouse
+
+system db
+\c system
+\d
+
+query_log

db/nosql/column/clickhouse/feature/join.txt

@@ -0,0 +1 @@
+https://clickhouse.com/docs/en/sql-reference/statements/select/join#select-join-types

db/nosql/column/clickhouse/install.txt

@@ -0,0 +1 @@
+https://clickhouse.com/docs/en/install

db/nosql/column/yandex-clickhouse.txt

@@ -1,19 +0,0 @@
-https://clickhouse.com/
-https://clickhouse.com/clickhouse
-
-https://github.com/ClickHouse/ClickHouse
-
-https://clickhouse.com/docs
-https://clickhouse.com/learn
-https://clickhouse.com/blog
-
-compression
-https://habr.com/en/company/yandex/blog/457612/
-
-2020
-https://habr.com/ru/company/solarsecurity/blog/485850/
-2019
-https://tech.marksblogg.com/billion-nyc-taxi-rides-clickhouse-cluster.html
-    https://habr.com/ru/company/otus/blog/463665/
-2018
-https://habrahabr.ru/company/yandex/blog/347696/