diff --git a/nontech/economy/people/hazin.txt b/nontech/economy/people/hazin.txt
index ab28a561c..530b098be 100644
--- a/nontech/economy/people/hazin.txt
+++ b/nontech/economy/people/hazin.txt
@@ -36,7 +36,7 @@ https://www.youtube.com/playlist?list=PLkTpcxa4iBNzKgVGMdtkkQOzyy8SLNnq5
 https://www.youtube.com/channel/UCcWb4eV93-jSlrfJqg7lDRA/videos
 
 2024
-LawAnOrder - 07.21 - Dudnik - Hazin 13:00 of 45:55
+LawAnOrder - 07.21 - Dudnik - Hazin of 45:55
     https://www.youtube.com/watch?v=-elgF644nC8
 WhatIsToday - Hazin - Why ZH Enter to Luka 15:00 of 47:39
     https://www.youtube.com/watch?v=M_P9QErjvxA
diff --git a/pl/cross/methodologies/architecture/system-design/presentations.txt b/pl/cross/methodologies/architecture/system-design/presentations.txt
index a81f844db..391189a85 100644
--- a/pl/cross/methodologies/architecture/system-design/presentations.txt
+++ b/pl/cross/methodologies/architecture/system-design/presentations.txt
@@ -1,5 +1,5 @@
 2024
-JPoint - Volyhin - System Design Interview ru 31:00 of 49:46
+JPoint - Volyhin - System Design Interview ru 38:00 of 49:46
     https://www.youtube.com/watch?v=RAMWRgt-3G0
     ! functional req - answer q "what"
     ! non-functional req - answer q "how much"
diff --git a/pl/java/libfws/spring/data/jpa/docs/presentations.txt b/pl/java/libfws/spring/data/jpa/docs/presentations.txt
index 2b35320de..b17898290 100644
--- a/pl/java/libfws/spring/data/jpa/docs/presentations.txt
+++ b/pl/java/libfws/spring/data/jpa/docs/presentations.txt
@@ -1,5 +1,5 @@
 2024
-JPoint - Ilya and Fedor Sazonov - DB Tamer 15:00 of 48:02
+JPoint - Ilya and Fedor Sazonov - DB Tamer 22:00 of 48:02
     https://www.youtube.com/watch?v=mIxr65ZGGFw
     https://www.youtube.com/watch?v=1T5LjQaWGhQ
     ! 5:20 it is recommended to set hbm logs (vs show_sql=true)
@@ -15,6 +15,14 @@ JPoint - Ilya and Fedor Sazonov - DB Tamer 15:00 of 48:02
     !   https://www.youtube.com/watch?v=X8OA10hIt18
     ! 14:20
     !   @Fetch(FetchMode.SUBSELECT)
+    ! 15:00
+    !   limit and offset -> only in Hibernate 6
+    ! 22:00
+    !   @Query("delete from ...")
+    !   @Modifying
+    !   @Transactional
+    !   void deleteAllRows();
+    !   ... void deleteAllInBatch();
 Amplicode - Lombok Problems with Spring Data JPA 0:00 of 12:00
     https://www.youtube.com/watch?v=7kdQTh4oOQM
 Build faster persistence layers with Spring Data JPA 3 by Thorben Janssen @ Spring I/O 2024 0:00 of 49:49