adding tags back in

Author: hvub

modules/ROOT/pages/queries/composed-queries/sequential-queries.adoc

@@ -86,6 +86,7 @@ NEXT
 In the following example, `NEXT` passes the variable `customer` to the second query:
 
 .Passing a variable to another query via `NEXT`
+tag::sequential_queries_basic_example[]
 [source,cypher]
 ----
 MATCH (c:Customer)  
@@ -96,6 +97,7 @@ NEXT
 MATCH (customer)-[:BUYS]->(:Product {name: 'Chocolate'})  
 RETURN customer.firstName AS chocolateCustomer 
 ----
+end::sequential_queries_basic_example[]
 
 .Result
 [role="queryresult",options="header,footer",cols="1*<m"]
@@ -152,6 +154,7 @@ This particularly useful when aggregating values.
 In the following example, `NEXT` passes the variable `customer` to the second query:
 
 .Aggregation after `NEXT`
+tag::sequential_queries_aggregation_example[]
 [source,cypher]
 ----
 MATCH (c:Customer)-[:BUYS]->(p:Product)
@@ -162,6 +165,7 @@ NEXT
 RETURN product.name AS product,
        COUNT(customer) AS numberOfCustomers
 ----
+end::sequential_queries_aggregation_example[]
 
 .Result
 [role="queryresult",options="header,footer",cols="2*<m"]
@@ -186,6 +190,7 @@ RETURN product.name AS product,
 When a `UNION` query follows a `NEXT` the full table of intermediate results are passed into all arms of the `UNION` query.
 
 .`UNION` after `NEXT`
+tag::sequential_queries_union_example[]
 [source,cypher]
 ----
 MATCH (c:Customer)-[:BUYS]->(p:Product)
@@ -201,6 +206,7 @@ NEXT
 
 RETURN * ORDER BY name, type
 ----
+end::sequential_queries_union_example[]
 
 .Result
 [role="queryresult",options="header,footer",cols="3*<m"]