diff --git a/upptst/SqlExp/SqlExp.cpp b/upptst/SqlExp/SqlExp.cpp
index 017e2c735..a0a707c1c 100644
--- a/upptst/SqlExp/SqlExp.cpp
+++ b/upptst/SqlExp/SqlExp.cpp
@@ -193,6 +193,8 @@ CONSOLE_APP_MAIN
 	EXP(Insert(TABLE1)(COLUMN1, 12)(COLUMN2, "hello")(COL, Date(2007, 1, 1)));
 	EXP(Insert(TABLE1)(COLUMN1, 12)(COLUMN2)(COL).From(TABLE1).Where(COL >= 0));
 
+	EXP(Insert(TABLE1)(COLUMN1, 1).Where(NotExists(Select(ID).From(TABLE1).Where(COLUMN1 == 1))));
+
 	EXP(Update(TABLE1)(COLUMN1, 13)(COLUMN2, "world").Where(COL > Date(2007, 1, 1)));
 	
 	EXP(Insert(TABLE1)(COL, Select(COLUMN1).From(TABLE1).Where(COLUMN2 == 21).AsValue()));
diff --git a/upptst/SqlExp/Test.i b/upptst/SqlExp/Test.i
index 994c98896..950a2c154 100644
--- a/upptst/SqlExp/Test.i
+++ b/upptst/SqlExp/Test.i
@@ -1713,6 +1713,28 @@
 	TEST(DB2,
 		Insert(TABLE1)(COLUMN1, 12)(COLUMN2)(COL).From(TABLE1).Where(COL >= 0),
 		"insert into \"TABLE1\"(\"COLUMN1\", \"COLUMN2\", \"COL\") select 12, \"COLUMN2\", \"COL\" from \"TABLE1\" where \"COL\" >= 0"); // insert into "TABLE1"("COLUMN1", "COLUMN2", "COL") select 12, "COLUMN2", "COL" from "TABLE1" where "COL" >= 0
+// ---------------------------------
+	TEST(MY_SQL,
+		Insert(TABLE1)(COLUMN1, 1).Where(NotExists(Select(ID).From(TABLE1).Where(COLUMN1 == 1))),
+		"insert into `TABLE1`(`COLUMN1`) select 1 where not exists (select `ID` from `TABLE1` where `COLUMN1` = 1)"); // insert into `TABLE1`(`COLUMN1`) select 1 where not exists (select `ID` from `TABLE1` where `COLUMN1` = 1)
+	TEST(SQLITE3,
+		Insert(TABLE1)(COLUMN1, 1).Where(NotExists(Select(ID).From(TABLE1).Where(COLUMN1 == 1))),
+		"insert into \"TABLE1\"(\"COLUMN1\") select 1 where not exists (select \"ID\" from \"TABLE1\" where \"COLUMN1\" = 1)"); // insert into "TABLE1"("COLUMN1") select 1 where not exists (select "ID" from "TABLE1" where "COLUMN1" = 1)
+	TEST(ORACLE,
+		Insert(TABLE1)(COLUMN1, 1).Where(NotExists(Select(ID).From(TABLE1).Where(COLUMN1 == 1))),
+		"insert into \"TABLE1\"(\"COLUMN1\") select 1 from DUAL where not exists (select \"ID\" from \"TABLE1\" where \"COLUMN1\" = 1)"); // insert into "TABLE1"("COLUMN1") select 1 from DUAL where not exists (select "ID" from "TABLE1" where "COLUMN1" = 1)
+	TEST(MSSQL,
+		Insert(TABLE1)(COLUMN1, 1).Where(NotExists(Select(ID).From(TABLE1).Where(COLUMN1 == 1))),
+		"insert into \"TABLE1\"(\"COLUMN1\") select 1 where not exists (select \"ID\" from \"TABLE1\" where \"COLUMN1\" = 1)"); // insert into "TABLE1"("COLUMN1") select 1 where not exists (select "ID" from "TABLE1" where "COLUMN1" = 1)
+	TEST(PGSQL,
+		Insert(TABLE1)(COLUMN1, 1).Where(NotExists(Select(ID).From(TABLE1).Where(COLUMN1 == 1))),
+		"insert into \"TABLE1\"(\"COLUMN1\") select 1 where not exists (select \"ID\" from \"TABLE1\" where \"COLUMN1\" = 1)"); // insert into "TABLE1"("COLUMN1") select 1 where not exists (select "ID" from "TABLE1" where "COLUMN1" = 1)
+	TEST(FIREBIRD,
+		Insert(TABLE1)(COLUMN1, 1).Where(NotExists(Select(ID).From(TABLE1).Where(COLUMN1 == 1))),
+		"insert into \"TABLE1\"(\"COLUMN1\") select 1 where not exists (select \"ID\" from \"TABLE1\" where \"COLUMN1\" = 1)"); // insert into "TABLE1"("COLUMN1") select 1 where not exists (select "ID" from "TABLE1" where "COLUMN1" = 1)
+	TEST(DB2,
+		Insert(TABLE1)(COLUMN1, 1).Where(NotExists(Select(ID).From(TABLE1).Where(COLUMN1 == 1))),
+		"insert into \"TABLE1\"(\"COLUMN1\") select 1 where not exists (select \"ID\" from \"TABLE1\" where \"COLUMN1\" = 1)"); // insert into "TABLE1"("COLUMN1") select 1 where not exists (select "ID" from "TABLE1" where "COLUMN1" = 1)
 // ---------------------------------
 	TEST(MY_SQL,
 		Update(TABLE1)(COLUMN1, 13)(COLUMN2, "world").Where(COL > Date(2007, 1, 1)),
@@ -1999,3 +2021,4 @@
 	TEST(DB2,
 		Select(ID).From(TABLE1).Where(ID == SqlSetFrom(m)),
 		"select \"ID\" from \"TABLE1\" where \"ID\" in ('0', '1', '2', '3', '4', '5', '6', '7', '8', '9')"); // select "ID" from "TABLE1" where "ID" in ('0', '1', '2', '3', '4', '5', '6', '7', '8', '9')
+// ---------------------------------