diff --git a/test/EFCore.Jet.FunctionalTests/EverythingIsBytesJetTest.cs b/test/EFCore.Jet.FunctionalTests/EverythingIsBytesJetTest.cs
index 0f04dc1..ff6bcd5 100644
--- a/test/EFCore.Jet.FunctionalTests/EverythingIsBytesJetTest.cs
+++ b/test/EFCore.Jet.FunctionalTests/EverythingIsBytesJetTest.cs
@@ -35,7 +35,7 @@ namespace EntityFrameworkCore.Jet.FunctionalTests
             const string expected = @"#Dual.ID ---> [integer]
 BinaryForeignKeyDataType.BinaryKeyDataTypeId ---> [nullable varbinary] [MaxLength = 255]
 BinaryForeignKeyDataType.Id ---> [varbinary] [MaxLength = 4]
-BinaryKeyDataType.Ex ---> [nullable varbinary] [MaxLength = -1]
+BinaryKeyDataType.Ex ---> [nullable varbinary] [MaxLength = 510]
 BinaryKeyDataType.Id ---> [varbinary] [MaxLength = 255]
 BuiltInDataTypes.Enum16 ---> [varbinary] [MaxLength = 2]
 BuiltInDataTypes.Enum32 ---> [varbinary] [MaxLength = 4]
@@ -50,6 +50,7 @@ BuiltInDataTypes.PartitionId ---> [varbinary] [MaxLength = 4]
 BuiltInDataTypes.TestBoolean ---> [varbinary] [MaxLength = 1]
 BuiltInDataTypes.TestByte ---> [varbinary] [MaxLength = 1]
 BuiltInDataTypes.TestCharacter ---> [varbinary] [MaxLength = 2]
+BuiltInDataTypes.TestDateOnly ---> [varbinary] [MaxLength = 510]
 BuiltInDataTypes.TestDateTime ---> [varbinary] [MaxLength = 8]
 BuiltInDataTypes.TestDateTimeOffset ---> [varbinary] [MaxLength = 12]
 BuiltInDataTypes.TestDecimal ---> [varbinary] [MaxLength = 16]
@@ -59,6 +60,7 @@ BuiltInDataTypes.TestInt32 ---> [varbinary] [MaxLength = 4]
 BuiltInDataTypes.TestInt64 ---> [varbinary] [MaxLength = 8]
 BuiltInDataTypes.TestSignedByte ---> [varbinary] [MaxLength = 1]
 BuiltInDataTypes.TestSingle ---> [varbinary] [MaxLength = 4]
+BuiltInDataTypes.TestTimeOnly ---> [varbinary] [MaxLength = 8]
 BuiltInDataTypes.TestTimeSpan ---> [varbinary] [MaxLength = 8]
 BuiltInDataTypes.TestUnsignedInt16 ---> [varbinary] [MaxLength = 2]
 BuiltInDataTypes.TestUnsignedInt32 ---> [varbinary] [MaxLength = 4]
@@ -76,6 +78,7 @@ BuiltInDataTypesShadow.PartitionId ---> [varbinary] [MaxLength = 4]
 BuiltInDataTypesShadow.TestBoolean ---> [varbinary] [MaxLength = 1]
 BuiltInDataTypesShadow.TestByte ---> [varbinary] [MaxLength = 1]
 BuiltInDataTypesShadow.TestCharacter ---> [varbinary] [MaxLength = 2]
+BuiltInDataTypesShadow.TestDateOnly ---> [varbinary] [MaxLength = 510]
 BuiltInDataTypesShadow.TestDateTime ---> [varbinary] [MaxLength = 8]
 BuiltInDataTypesShadow.TestDateTimeOffset ---> [varbinary] [MaxLength = 12]
 BuiltInDataTypesShadow.TestDecimal ---> [varbinary] [MaxLength = 16]
@@ -85,6 +88,7 @@ BuiltInDataTypesShadow.TestInt32 ---> [varbinary] [MaxLength = 4]
 BuiltInDataTypesShadow.TestInt64 ---> [varbinary] [MaxLength = 8]
 BuiltInDataTypesShadow.TestSignedByte ---> [varbinary] [MaxLength = 1]
 BuiltInDataTypesShadow.TestSingle ---> [varbinary] [MaxLength = 4]
+BuiltInDataTypesShadow.TestTimeOnly ---> [varbinary] [MaxLength = 8]
 BuiltInDataTypesShadow.TestTimeSpan ---> [varbinary] [MaxLength = 8]
 BuiltInDataTypesShadow.TestUnsignedInt16 ---> [varbinary] [MaxLength = 2]
 BuiltInDataTypesShadow.TestUnsignedInt32 ---> [varbinary] [MaxLength = 4]
@@ -99,10 +103,11 @@ BuiltInNullableDataTypes.EnumU32 ---> [nullable varbinary] [MaxLength = 4]
 BuiltInNullableDataTypes.EnumU64 ---> [nullable varbinary] [MaxLength = 8]
 BuiltInNullableDataTypes.Id ---> [varbinary] [MaxLength = 4]
 BuiltInNullableDataTypes.PartitionId ---> [varbinary] [MaxLength = 4]
-BuiltInNullableDataTypes.TestByteArray ---> [nullable varbinary] [MaxLength = -1]
+BuiltInNullableDataTypes.TestByteArray ---> [nullable varbinary] [MaxLength = 510]
 BuiltInNullableDataTypes.TestNullableBoolean ---> [nullable varbinary] [MaxLength = 1]
 BuiltInNullableDataTypes.TestNullableByte ---> [nullable varbinary] [MaxLength = 1]
 BuiltInNullableDataTypes.TestNullableCharacter ---> [nullable varbinary] [MaxLength = 2]
+BuiltInNullableDataTypes.TestNullableDateOnly ---> [nullable varbinary] [MaxLength = 510]
 BuiltInNullableDataTypes.TestNullableDateTime ---> [nullable varbinary] [MaxLength = 8]
 BuiltInNullableDataTypes.TestNullableDateTimeOffset ---> [nullable varbinary] [MaxLength = 12]
 BuiltInNullableDataTypes.TestNullableDecimal ---> [nullable varbinary] [MaxLength = 16]
@@ -112,11 +117,12 @@ BuiltInNullableDataTypes.TestNullableInt32 ---> [nullable varbinary] [MaxLength
 BuiltInNullableDataTypes.TestNullableInt64 ---> [nullable varbinary] [MaxLength = 8]
 BuiltInNullableDataTypes.TestNullableSignedByte ---> [nullable varbinary] [MaxLength = 1]
 BuiltInNullableDataTypes.TestNullableSingle ---> [nullable varbinary] [MaxLength = 4]
+BuiltInNullableDataTypes.TestNullableTimeOnly ---> [nullable varbinary] [MaxLength = 8]
 BuiltInNullableDataTypes.TestNullableTimeSpan ---> [nullable varbinary] [MaxLength = 8]
 BuiltInNullableDataTypes.TestNullableUnsignedInt16 ---> [nullable varbinary] [MaxLength = 2]
 BuiltInNullableDataTypes.TestNullableUnsignedInt32 ---> [nullable varbinary] [MaxLength = 4]
 BuiltInNullableDataTypes.TestNullableUnsignedInt64 ---> [nullable varbinary] [MaxLength = 8]
-BuiltInNullableDataTypes.TestString ---> [nullable varbinary] [MaxLength = -1]
+BuiltInNullableDataTypes.TestString ---> [nullable varbinary] [MaxLength = 510]
 BuiltInNullableDataTypesShadow.Enum16 ---> [nullable varbinary] [MaxLength = 2]
 BuiltInNullableDataTypesShadow.Enum32 ---> [nullable varbinary] [MaxLength = 4]
 BuiltInNullableDataTypesShadow.Enum64 ---> [nullable varbinary] [MaxLength = 8]
@@ -127,10 +133,11 @@ BuiltInNullableDataTypesShadow.EnumU32 ---> [nullable varbinary] [MaxLength = 4]
 BuiltInNullableDataTypesShadow.EnumU64 ---> [nullable varbinary] [MaxLength = 8]
 BuiltInNullableDataTypesShadow.Id ---> [varbinary] [MaxLength = 4]
 BuiltInNullableDataTypesShadow.PartitionId ---> [varbinary] [MaxLength = 4]
-BuiltInNullableDataTypesShadow.TestByteArray ---> [nullable varbinary] [MaxLength = -1]
+BuiltInNullableDataTypesShadow.TestByteArray ---> [nullable varbinary] [MaxLength = 510]
 BuiltInNullableDataTypesShadow.TestNullableBoolean ---> [nullable varbinary] [MaxLength = 1]
 BuiltInNullableDataTypesShadow.TestNullableByte ---> [nullable varbinary] [MaxLength = 1]
 BuiltInNullableDataTypesShadow.TestNullableCharacter ---> [nullable varbinary] [MaxLength = 2]
+BuiltInNullableDataTypesShadow.TestNullableDateOnly ---> [nullable varbinary] [MaxLength = 510]
 BuiltInNullableDataTypesShadow.TestNullableDateTime ---> [nullable varbinary] [MaxLength = 8]
 BuiltInNullableDataTypesShadow.TestNullableDateTimeOffset ---> [nullable varbinary] [MaxLength = 12]
 BuiltInNullableDataTypesShadow.TestNullableDecimal ---> [nullable varbinary] [MaxLength = 16]
@@ -140,31 +147,33 @@ BuiltInNullableDataTypesShadow.TestNullableInt32 ---> [nullable varbinary] [MaxL
 BuiltInNullableDataTypesShadow.TestNullableInt64 ---> [nullable varbinary] [MaxLength = 8]
 BuiltInNullableDataTypesShadow.TestNullableSignedByte ---> [nullable varbinary] [MaxLength = 1]
 BuiltInNullableDataTypesShadow.TestNullableSingle ---> [nullable varbinary] [MaxLength = 4]
+BuiltInNullableDataTypesShadow.TestNullableTimeOnly ---> [nullable varbinary] [MaxLength = 8]
 BuiltInNullableDataTypesShadow.TestNullableTimeSpan ---> [nullable varbinary] [MaxLength = 8]
 BuiltInNullableDataTypesShadow.TestNullableUnsignedInt16 ---> [nullable varbinary] [MaxLength = 2]
 BuiltInNullableDataTypesShadow.TestNullableUnsignedInt32 ---> [nullable varbinary] [MaxLength = 4]
 BuiltInNullableDataTypesShadow.TestNullableUnsignedInt64 ---> [nullable varbinary] [MaxLength = 8]
-BuiltInNullableDataTypesShadow.TestString ---> [nullable varbinary] [MaxLength = -1]
+BuiltInNullableDataTypesShadow.TestString ---> [nullable varbinary] [MaxLength = 510]
 DateTimeEnclosure.DateTimeOffset ---> [nullable varbinary] [MaxLength = 12]
 DateTimeEnclosure.Id ---> [varbinary] [MaxLength = 4]
 EmailTemplate.Id ---> [varbinary] [MaxLength = 16]
 EmailTemplate.TemplateType ---> [varbinary] [MaxLength = 4]
 MaxLengthDataTypes.ByteArray5 ---> [nullable varbinary] [MaxLength = 5]
-MaxLengthDataTypes.ByteArray9000 ---> [nullable varbinary] [MaxLength = -1]
+MaxLengthDataTypes.ByteArray9000 ---> [nullable varbinary] [MaxLength = 255]
 MaxLengthDataTypes.Id ---> [varbinary] [MaxLength = 4]
 MaxLengthDataTypes.String3 ---> [nullable varbinary] [MaxLength = 3]
-MaxLengthDataTypes.String9000 ---> [nullable varbinary] [MaxLength = -1]
+MaxLengthDataTypes.String9000 ---> [nullable varbinary] [MaxLength = 255]
+MaxLengthDataTypes.StringUnbounded ---> [nullable varbinary] [MaxLength = 255]
 StringEnclosure.Id ---> [varbinary] [MaxLength = 4]
-StringEnclosure.Value ---> [nullable varbinary] [MaxLength = -1]
+StringEnclosure.Value ---> [nullable varbinary] [MaxLength = 510]
 StringForeignKeyDataType.Id ---> [varbinary] [MaxLength = 4]
 StringForeignKeyDataType.StringKeyDataTypeId ---> [nullable varbinary] [MaxLength = 255]
 StringKeyDataType.Id ---> [varbinary] [MaxLength = 255]
 UnicodeDataTypes.Id ---> [varbinary] [MaxLength = 4]
-UnicodeDataTypes.StringAnsi ---> [nullable varbinary] [MaxLength = -1]
+UnicodeDataTypes.StringAnsi ---> [nullable varbinary] [MaxLength = 510]
 UnicodeDataTypes.StringAnsi3 ---> [nullable varbinary] [MaxLength = 3]
-UnicodeDataTypes.StringAnsi9000 ---> [nullable varbinary] [MaxLength = -1]
-UnicodeDataTypes.StringDefault ---> [nullable varbinary] [MaxLength = -1]
-UnicodeDataTypes.StringUnicode ---> [nullable varbinary] [MaxLength = -1]
+UnicodeDataTypes.StringAnsi9000 ---> [nullable varbinary] [MaxLength = 255]
+UnicodeDataTypes.StringDefault ---> [nullable varbinary] [MaxLength = 510]
+UnicodeDataTypes.StringUnicode ---> [nullable varbinary] [MaxLength = 510]
 ";
 
             Assert.Equal(expected, actual, ignoreLineEndingDifferences: true);
diff --git a/test/EFCore.Jet.FunctionalTests/EverythingIsStringsJetTest.cs b/test/EFCore.Jet.FunctionalTests/EverythingIsStringsJetTest.cs
index d67f84b..2824f32 100644
--- a/test/EFCore.Jet.FunctionalTests/EverythingIsStringsJetTest.cs
+++ b/test/EFCore.Jet.FunctionalTests/EverythingIsStringsJetTest.cs
@@ -55,6 +55,7 @@ BuiltInDataTypes.PartitionId ---> [varchar] [MaxLength = 64]
 BuiltInDataTypes.TestBoolean ---> [varchar] [MaxLength = 1]
 BuiltInDataTypes.TestByte ---> [varchar] [MaxLength = 64]
 BuiltInDataTypes.TestCharacter ---> [varchar] [MaxLength = 1]
+BuiltInDataTypes.TestDateOnly ---> [varchar] [MaxLength = 10]
 BuiltInDataTypes.TestDateTime ---> [varchar] [MaxLength = 48]
 BuiltInDataTypes.TestDateTimeOffset ---> [varchar] [MaxLength = 48]
 BuiltInDataTypes.TestDecimal ---> [varchar] [MaxLength = 64]
@@ -64,6 +65,7 @@ BuiltInDataTypes.TestInt32 ---> [varchar] [MaxLength = 64]
 BuiltInDataTypes.TestInt64 ---> [varchar] [MaxLength = 64]
 BuiltInDataTypes.TestSignedByte ---> [varchar] [MaxLength = 64]
 BuiltInDataTypes.TestSingle ---> [varchar] [MaxLength = 64]
+BuiltInDataTypes.TestTimeOnly ---> [varchar] [MaxLength = 48]
 BuiltInDataTypes.TestTimeSpan ---> [varchar] [MaxLength = 48]
 BuiltInDataTypes.TestUnsignedInt16 ---> [varchar] [MaxLength = 64]
 BuiltInDataTypes.TestUnsignedInt32 ---> [varchar] [MaxLength = 64]
@@ -81,6 +83,7 @@ BuiltInDataTypesShadow.PartitionId ---> [varchar] [MaxLength = 64]
 BuiltInDataTypesShadow.TestBoolean ---> [varchar] [MaxLength = 1]
 BuiltInDataTypesShadow.TestByte ---> [varchar] [MaxLength = 64]
 BuiltInDataTypesShadow.TestCharacter ---> [varchar] [MaxLength = 1]
+BuiltInDataTypesShadow.TestDateOnly ---> [varchar] [MaxLength = 10]
 BuiltInDataTypesShadow.TestDateTime ---> [varchar] [MaxLength = 48]
 BuiltInDataTypesShadow.TestDateTimeOffset ---> [varchar] [MaxLength = 48]
 BuiltInDataTypesShadow.TestDecimal ---> [varchar] [MaxLength = 64]
@@ -90,6 +93,7 @@ BuiltInDataTypesShadow.TestInt32 ---> [varchar] [MaxLength = 64]
 BuiltInDataTypesShadow.TestInt64 ---> [varchar] [MaxLength = 64]
 BuiltInDataTypesShadow.TestSignedByte ---> [varchar] [MaxLength = 64]
 BuiltInDataTypesShadow.TestSingle ---> [varchar] [MaxLength = 64]
+BuiltInDataTypesShadow.TestTimeOnly ---> [varchar] [MaxLength = 48]
 BuiltInDataTypesShadow.TestTimeSpan ---> [varchar] [MaxLength = 48]
 BuiltInDataTypesShadow.TestUnsignedInt16 ---> [varchar] [MaxLength = 64]
 BuiltInDataTypesShadow.TestUnsignedInt32 ---> [varchar] [MaxLength = 64]
@@ -108,6 +112,7 @@ BuiltInNullableDataTypes.TestByteArray ---> [nullable varchar] [MaxLength = 255]
 BuiltInNullableDataTypes.TestNullableBoolean ---> [nullable varchar] [MaxLength = 1]
 BuiltInNullableDataTypes.TestNullableByte ---> [nullable varchar] [MaxLength = 64]
 BuiltInNullableDataTypes.TestNullableCharacter ---> [nullable varchar] [MaxLength = 1]
+BuiltInNullableDataTypes.TestNullableDateOnly ---> [nullable varchar] [MaxLength = 10]
 BuiltInNullableDataTypes.TestNullableDateTime ---> [nullable varchar] [MaxLength = 48]
 BuiltInNullableDataTypes.TestNullableDateTimeOffset ---> [nullable varchar] [MaxLength = 48]
 BuiltInNullableDataTypes.TestNullableDecimal ---> [nullable varchar] [MaxLength = 64]
@@ -117,6 +122,7 @@ BuiltInNullableDataTypes.TestNullableInt32 ---> [nullable varchar] [MaxLength =
 BuiltInNullableDataTypes.TestNullableInt64 ---> [nullable varchar] [MaxLength = 64]
 BuiltInNullableDataTypes.TestNullableSignedByte ---> [nullable varchar] [MaxLength = 64]
 BuiltInNullableDataTypes.TestNullableSingle ---> [nullable varchar] [MaxLength = 64]
+BuiltInNullableDataTypes.TestNullableTimeOnly ---> [nullable varchar] [MaxLength = 48]
 BuiltInNullableDataTypes.TestNullableTimeSpan ---> [nullable varchar] [MaxLength = 48]
 BuiltInNullableDataTypes.TestNullableUnsignedInt16 ---> [nullable varchar] [MaxLength = 64]
 BuiltInNullableDataTypes.TestNullableUnsignedInt32 ---> [nullable varchar] [MaxLength = 64]
@@ -136,6 +142,7 @@ BuiltInNullableDataTypesShadow.TestByteArray ---> [nullable varchar] [MaxLength
 BuiltInNullableDataTypesShadow.TestNullableBoolean ---> [nullable varchar] [MaxLength = 1]
 BuiltInNullableDataTypesShadow.TestNullableByte ---> [nullable varchar] [MaxLength = 64]
 BuiltInNullableDataTypesShadow.TestNullableCharacter ---> [nullable varchar] [MaxLength = 1]
+BuiltInNullableDataTypesShadow.TestNullableDateOnly ---> [nullable varchar] [MaxLength = 10]
 BuiltInNullableDataTypesShadow.TestNullableDateTime ---> [nullable varchar] [MaxLength = 48]
 BuiltInNullableDataTypesShadow.TestNullableDateTimeOffset ---> [nullable varchar] [MaxLength = 48]
 BuiltInNullableDataTypesShadow.TestNullableDecimal ---> [nullable varchar] [MaxLength = 64]
@@ -145,6 +152,7 @@ BuiltInNullableDataTypesShadow.TestNullableInt32 ---> [nullable varchar] [MaxLen
 BuiltInNullableDataTypesShadow.TestNullableInt64 ---> [nullable varchar] [MaxLength = 64]
 BuiltInNullableDataTypesShadow.TestNullableSignedByte ---> [nullable varchar] [MaxLength = 64]
 BuiltInNullableDataTypesShadow.TestNullableSingle ---> [nullable varchar] [MaxLength = 64]
+BuiltInNullableDataTypesShadow.TestNullableTimeOnly ---> [nullable varchar] [MaxLength = 48]
 BuiltInNullableDataTypesShadow.TestNullableTimeSpan ---> [nullable varchar] [MaxLength = 48]
 BuiltInNullableDataTypesShadow.TestNullableUnsignedInt16 ---> [nullable varchar] [MaxLength = 64]
 BuiltInNullableDataTypesShadow.TestNullableUnsignedInt32 ---> [nullable varchar] [MaxLength = 64]
@@ -159,6 +167,7 @@ MaxLengthDataTypes.ByteArray9000 ---> [nullable varchar] [MaxLength = 255]
 MaxLengthDataTypes.Id ---> [varchar] [MaxLength = 64]
 MaxLengthDataTypes.String3 ---> [nullable varchar] [MaxLength = 3]
 MaxLengthDataTypes.String9000 ---> [nullable varchar] [MaxLength = 255]
+MaxLengthDataTypes.StringUnbounded ---> [nullable varchar] [MaxLength = 255]
 StringEnclosure.Id ---> [varchar] [MaxLength = 64]
 StringEnclosure.Value ---> [nullable varchar] [MaxLength = 255]
 StringForeignKeyDataType.Id ---> [varchar] [MaxLength = 64]