Remove the hash join index section from docs
@@ -49,62 +49,3 @@ Enable the non-colocated mode of query execution by setting a JDBC/ODBC paramete
WARNING: If you use a non-collocated join on a column from a link:data-modeling/data-partitioning#replicated[replicated table], the column must have an index.
Otherwise, you will get an exception.
\ No newline at end of file
-
-
-
-== Hash Joins
-
-//tag::hash-join[]
-To boost performance of join queries, Ignite supports the https://en.wikipedia.org/wiki/Hash_join[hash join
-algorithm].
-Hash joins can be more efficient than nested loop joins for many scenarios, except when the probe side of the join is very small.
-However, hash joins can only be used with equi-joins, i.e. a type of join with equality comparison in the join-predicate.
-
-//end::hash-join[]
-
-To enforce the use of hash joins:
-
-. Use the `enforceJoinOrder` option:
-+
-[tabs]
---
-tab:Java API[]
-[source,java]
-----
-include::{javaCodeDir}/SqlAPI.java[tags=enforceJoinOrder,indent=0]
-----
-
-tab:JDBC[]
-[source,java]
-----
-Class.forName("org.apache.ignite.IgniteJdbcThinDriver");
-
-// Open the JDBC connection.
-Connection conn = DriverManager.getConnection("jdbc:ignite:thin://127.0.0.1?enforceJoinOrder=true");
-----
-tab:C#/.NET[]
-[source,csharp]
-----
-include::code-snippets/dotnet/SqlJoinOrder.cs[tag=sqlJoinOrder,indent=0]
-----
-
-tab:C++[]
-[source,c++]
-----
-include::code-snippets/cpp/src/sql_join_order.cpp[tag=sql-join-order,indent=0]
-----
---
-
-. Specify `USE INDEX(HASH_JOIN_IDX)` on the table for which you want to create the hash-join index:
-+
---
-
-[source, sql]
-----
-SELECT * FROM TABLE_A, TABLE_B USE INDEX(HASH_JOIN_IDX) WHERE TABLE_A.column1 = TABLE_B.column2
-----
---
-
-
-
-
