Tie up the Database internals section with the v4.4

Author: NataliaIvakina

modules/ROOT/pages/database-internals/checkpointing.adoc

@@ -1,4 +1,6 @@
 [[checkpointing-log-pruning]]
+:page-aliases: configuration/transaction-logs.adoc
+
 = Checkpointing and log pruning
 
 Checkpointing is the process of flushing all pending updates from volatile memory to non-volatile data storage.

modules/ROOT/pages/database-internals/concurrent-data-access.adoc

@@ -3,6 +3,11 @@
 
 == Isolation levels
 
+[NOTE]
+====
+For information on Neo4j 4.4, see link:https://neo4j.com/docs/java-reference/4.4/transaction-management/#transactions-isolation[Java Reference -> Isolation levels].
+====
+
 Neo4j supports the following isolation levels:
 
 _read-committed isolation level_:: label:default[] A transaction that reads a node/relationship does not block another transaction from writing to that node/relationship before the first transaction finishes.

modules/ROOT/pages/database-internals/index.adoc

@@ -24,4 +24,9 @@ The following sections describe the transactional behavior in detail and how to
 * xref:database-internals/concurrent-data-access.adoc[]
 * xref:database-internals/transaction-logs.adoc[]
 * xref:database-internals/checkpointing.adoc[]
-* xref:database-internals/store-formats.adoc[]
+* xref:database-internals/store-formats.adoc[]
+
+[NOTE]
+====
+For information on Neo4j 4.4, see link:https://neo4j.com/docs/java-reference/4.4/transaction-management/[Java Reference -> Transaction management].
+====

modules/ROOT/pages/database-internals/transaction-management.adoc

@@ -3,6 +3,11 @@
 
 == Transactions
 
+[NOTE]
+====
+For information on Neo4j 4.4, refer to link:https://neo4j.com/docs/java-reference/4.4/transaction-management/[Java Reference -> Transaction management].
+====
+
 Database operations that access the graph, indexes, or schema are performed in a transaction to ensure the ACID properties.
 Transactions are single-threaded, confined, and independent.
 Multiple transactions can be started in a single thread and they are independent of each other.