OPENJPA-2753 add info about how to debug SQLServer
diff --git a/openjpa-project/BUILDING.txt b/openjpa-project/BUILDING.txt
index 9e8bc15..07358e2 100644
--- a/openjpa-project/BUILDING.txt
+++ b/openjpa-project/BUILDING.txt
@@ -212,6 +212,9 @@
 For running against a hsqldb based installation:
  -ea -Dopenjpa.ConnectionDriverName=org.hsqldb.Driver -Dopenjpa.ConnectionURL=jdbc:hsqldb:mem:openjpa20-hsqldb-database -Dopenjpa.ConnectionUserName=sa -Dopenjpa.ConnectionPassword=
 
+For running tests against a SQLServer Docker based installation:
+ -ea -Dopenjpa.ConnectionDriverName=com.microsoft.sqlserver.jdbc.SQLServerDriver -Dopenjpa.ConnectionURL=jdbc:sqlserver://localhost:1433 -Dopenjpa.ConnectionUserName=SA -Dopenjpa.ConnectionPassword=OpenJP8tst
+
 TODO: finish!
 
 For starting tests in `openjpa-persistence-jdbc` inside a compiler you can also trigger all the enhancement manually via: