diff --git a/sql/plsql/PlSqlParser.g4 b/sql/plsql/PlSqlParser.g4
index 1c4a569753..d0ba1fd0e1 100644
--- a/sql/plsql/PlSqlParser.g4
+++ b/sql/plsql/PlSqlParser.g4
@@ -2783,7 +2783,9 @@ out_of_line_constraint
             | foreign_key_clause
             | CHECK '(' condition ')'
         )
-    ) constraint_state?
+    )
+    constraint_state?
+    parallel_clause?
     ;
 
 constraint_state
diff --git a/sql/plsql/examples/alter_table.sql b/sql/plsql/examples/alter_table.sql
index d3d5276914..ee700fd693 100644
--- a/sql/plsql/examples/alter_table.sql
+++ b/sql/plsql/examples/alter_table.sql
@@ -209,4 +209,6 @@ SPLIT PARTITION TABLE_NAME_CURRENT AT (TO_DATE('20240116040241', 'YYYYMMDDHH24MI
 INTO (PARTITION TABLE_NAME_20240116040241, PARTITION TABLE_NAME_CURRENT)
 UPDATE INDEXES (COST_IX (PARTITION C_P1 TABLESPACE TBS_02, PARTITION C_P2 TABLESPACE TBS_03));
 
-ALTER TABLE "AB01"."SMOSTAMM" ADD CONSTRAINT "CC_SMOSTAMM_KRAB" CHECK ((KRAB >= 0. ) AND (KRAB <= 100. )) ENABLE;
\ No newline at end of file
+ALTER TABLE "AB01"."SMOSTAMM" ADD CONSTRAINT "CC_SMOSTAMM_KRAB" CHECK ((KRAB >= 0. ) AND (KRAB <= 100. )) ENABLE;
+
+ALTER TABLE "ME_CARRIER_HISTORY" ADD CONSTRAINT "CHECK_COMM_TYPE" CHECK (communication_type in('EDI','NON-EDI','API')) NOVALIDATE PARALLEL;