diff --git a/common/schema.h b/common/schema.h
index 836737d48..8f918e308 100644
--- a/common/schema.h
+++ b/common/schema.h
@@ -66,6 +66,7 @@ namespace swss {
 #define CFG_MIRROR_SESSION_TABLE_NAME   "MIRROR_SESSION"
 #define CFG_ACL_TABLE_NAME              "ACL_TABLE"
 #define CFG_ACL_RULE_TABLE_NAME         "ACL_RULE"
+#define CFG_PFC_WD_TABLE_NAME           "PFC_WD_TABLE"
 
 #define DAEMON_TABLE_NAME "DAEMON_TABLE"
 #define DAEMON_LOGLEVEL "LOGLEVEL"
@@ -85,6 +86,11 @@ namespace swss {
 #define LUA_PLUGIN_TYPE "LUA_PLUGIN_TYPE"
 #define SAI_OBJECT_TYPE "SAI_OBJECT_TYPE"
 
+#define POLL_INTERVAL_FIELD   "POLL_INTERVAL"
+#define QUEUE_PLUGIN_FIELD "QUEUE_PLUGIN_LIST"
+#define PORT_PLUGIN_FIELD  "PORT_PLUGIN_LIT"
+#define FLEX_COUNTER_GROUP_TABLE "FLEX_COUNTER_GROUP_TABLE"
+
 /***** CONFIGUATION DATABASE *****/
 #define CFG_PORT_TABLE_NAME             "PORT"
 #define CFG_PORT_CABLE_LEN_TABLE_NAME   "CABLE_LENGTH"