diff --git a/db/sql/features/acid.txt b/db/sql/features/acid.txt
index f7162c76e..a74095206 100644
--- a/db/sql/features/acid.txt
+++ b/db/sql/features/acid.txt
@@ -1,5 +1,5 @@
 2024
-ByteByteGo - ACID Properties in Databases With Examples 3:00 of 4:56
+ByteByteGo - ACID Properties in Databases With Examples of 4:56
     https://www.youtube.com/watch?v=GAe5oB742dw
     ! 2:57 Isolation Level and Violations table
 2021
diff --git a/db/sql/postgres/docs/people/aristov.txt b/db/sql/postgres/docs/people/aristov.txt
new file mode 100644
index 000000000..61a01267e
--- /dev/null
+++ b/db/sql/postgres/docs/people/aristov.txt
@@ -0,0 +1 @@
+https://www.youtube.com/@aristovtech/videos
diff --git a/db/sql/postgres/pg-explain.txt b/db/sql/postgres/feature/explain/pg-explain.txt
similarity index 83%
rename from db/sql/postgres/pg-explain.txt
rename to db/sql/postgres/feature/explain/pg-explain.txt
index cbd287982..808f16658 100644
--- a/db/sql/postgres/pg-explain.txt
+++ b/db/sql/postgres/feature/explain/pg-explain.txt
@@ -1,6 +1,7 @@
+https://postgrespro.ru/docs/postgresql/16/using-explain
+
 -- Shift-F7 - Explain Analyze
 -- file:///D:/dev/Utils/PostgreSQL/9.1/doc/postgresql/html/sql-explain.html
 -- file:///D:/dev/Utils/PostgreSQL/9.1/doc/postgresql/html/sql-analyze.html
 -- file:///D:/dev/Utils/PostgreSQL/9.1/doc/postgresql/html/auto-explain.html
 -- explain analyze
-