diff --git a/server/lib/api-tests/src/Test/DataConnector/MetadataApiSpec.hs b/server/lib/api-tests/src/Test/DataConnector/MetadataApiSpec.hs
index b0ec577785e..a632ce4cb90 100644
--- a/server/lib/api-tests/src/Test/DataConnector/MetadataApiSpec.hs
+++ b/server/lib/api-tests/src/Test/DataConnector/MetadataApiSpec.hs
@@ -22,7 +22,7 @@ import Data.Aeson.KeyMap qualified as KM
 import Data.Aeson.Lens
 import Data.List.NonEmpty qualified as NE
 import Data.Vector qualified as Vector
-import Harness.Backend.DataConnector.Chinook (ChinookTestEnv, NameFormatting (..))
+import Harness.Backend.DataConnector.Chinook (ChinookTestEnv, NameFormatting (..), ScalarTypes (..))
 import Harness.Backend.DataConnector.Chinook qualified as Chinook
 import Harness.Backend.DataConnector.Chinook.Reference qualified as Reference
 import Harness.Backend.DataConnector.Chinook.Sqlite qualified as Sqlite
@@ -122,7 +122,7 @@ schemaInspectionTests opts = describe "Schema and Source Inspection" $ do
             |]
 
   describe "get_table_info" $ do
-    it "success" $ \(testEnvironment@TestEnvironment {}, Chinook.ChinookTestEnv {nameFormatting = NameFormatting {..}}) -> do
+    it "success" $ \(testEnvironment@TestEnvironment {}, Chinook.ChinookTestEnv {nameFormatting = NameFormatting {..}, scalarTypes = ScalarTypes {..}}) -> do
       let removeDescriptions (J.Object o) = J.Object (KM.delete "description" (removeDescriptions <$> o))
           removeDescriptions (J.Array a) = J.Array (removeDescriptions <$> a)
           removeDescriptions x = x
@@ -167,17 +167,17 @@ schemaInspectionTests opts = describe "Schema and Source Inspection" $ do
               columns:
               - name: *albumId
                 nullable: false
-                type: number
+                type: *_stIntegerType
                 insertable: *supportsInserts
                 updatable: false
               - name: *artistId
                 nullable: false
-                type: number
+                type: *_stIntegerType
                 insertable: *supportsInserts
                 updatable: *supportsUpdates
               - name: *title
                 nullable: false
-                type: string
+                type: *_stStringType
                 insertable: *supportsInserts
                 updatable: *supportsUpdates
               name: *album
diff --git a/server/lib/test-harness/src/Harness/Backend/DataConnector/Chinook.hs b/server/lib/test-harness/src/Harness/Backend/DataConnector/Chinook.hs
index 8ad73144431..aa3adbe2e79 100644
--- a/server/lib/test-harness/src/Harness/Backend/DataConnector/Chinook.hs
+++ b/server/lib/test-harness/src/Harness/Backend/DataConnector/Chinook.hs
@@ -5,6 +5,7 @@
 module Harness.Backend.DataConnector.Chinook
   ( ChinookTestEnv (..),
     NameFormatting (..),
+    ScalarTypes (..),
     mkChinookCloneTestEnvironment,
     mkChinookStaticTestEnvironment,
     setupChinookSourceAction,
@@ -34,7 +35,9 @@ data ChinookTestEnv = ChinookTestEnv
     -- | Default configuration for the backend config that sets the agent configuration
     backendAgentConfig :: Aeson.Value,
     -- | Name formatting functions to correct for backend-specific naming rules
-    nameFormatting :: NameFormatting
+    nameFormatting :: NameFormatting,
+    -- | Backend-specific expected scalar types
+    scalarTypes :: ScalarTypes
   }
 
 data NameFormatting = NameFormatting
@@ -47,13 +50,19 @@ data NameFormatting = NameFormatting
     _nfFormatForeignKeyName :: Text -> Text
   }
 
+data ScalarTypes = ScalarTypes
+  { _stFloatType :: Text,
+    _stIntegerType :: Text,
+    _stStringType :: Text
+  }
+
 --------------------------------------------------------------------------------
 
 -- | Create a test environment that uses agent dataset cloning to clone a copy of the Chinook
 -- DB for the test and use that as the source config configured in HGE.
 -- This should be used with agents that support datasets.
-mkChinookCloneTestEnvironment :: NameFormatting -> TestEnvironment -> Managed ChinookTestEnv
-mkChinookCloneTestEnvironment nameFormatting testEnv = do
+mkChinookCloneTestEnvironment :: NameFormatting -> ScalarTypes -> TestEnvironment -> Managed ChinookTestEnv
+mkChinookCloneTestEnvironment nameFormatting scalarTypes testEnv = do
   backendTypeConfig <- getBackendTypeConfig testEnv `onNothing` fail "Unable to find backend type config in this test environment"
   agentUrl <- Fixture.backendServerUrl backendTypeConfig `onNothing` fail ("Backend " <> show (Fixture.backendType backendTypeConfig) <> " does not have a server url")
   cloneConfig <- API._dccrConfig <$> createManagedClone agentUrl testEnv (API.DatasetTemplateName "Chinook")
@@ -65,16 +74,16 @@ mkChinookCloneTestEnvironment nameFormatting testEnv = do
           template:
           timeout:
         |]
-  pure $ ChinookTestEnv sourceConfig agentBackendConfig nameFormatting
+  pure $ ChinookTestEnv sourceConfig agentBackendConfig nameFormatting scalarTypes
 
 -- | Create a test environment that uses the source config specified to connect to a specific DB on the agent
 -- that contains the Chinook dataset.
 -- This should be used with agents that do not support datasets.
-mkChinookStaticTestEnvironment :: NameFormatting -> Aeson.Value -> TestEnvironment -> Managed ChinookTestEnv
-mkChinookStaticTestEnvironment nameFormatting sourceConfig testEnv = do
+mkChinookStaticTestEnvironment :: NameFormatting -> ScalarTypes -> Aeson.Value -> TestEnvironment -> Managed ChinookTestEnv
+mkChinookStaticTestEnvironment nameFormatting scalarTypes sourceConfig testEnv = do
   backendTypeConfig <- getBackendTypeConfig testEnv `onNothing` fail "Unable to find backend type config in this test environment"
   let agentBackendConfig = mkAgentBackendConfig backendTypeConfig
-  pure $ ChinookTestEnv sourceConfig agentBackendConfig nameFormatting
+  pure $ ChinookTestEnv sourceConfig agentBackendConfig nameFormatting scalarTypes
 
 --------------------------------------------------------------------------------
 
diff --git a/server/lib/test-harness/src/Harness/Backend/DataConnector/Chinook/Reference.hs b/server/lib/test-harness/src/Harness/Backend/DataConnector/Chinook/Reference.hs
index e4c4980d925..e885ee5f347 100644
--- a/server/lib/test-harness/src/Harness/Backend/DataConnector/Chinook/Reference.hs
+++ b/server/lib/test-harness/src/Harness/Backend/DataConnector/Chinook/Reference.hs
@@ -14,7 +14,7 @@ where
 
 import Control.Monad.Managed (Managed)
 import Data.Aeson qualified as Aeson
-import Harness.Backend.DataConnector.Chinook (ChinookTestEnv, NameFormatting (..))
+import Harness.Backend.DataConnector.Chinook (ChinookTestEnv, NameFormatting (..), ScalarTypes (..))
 import Harness.Backend.DataConnector.Chinook qualified as Chinook
 import Harness.Quoter.Yaml (yaml)
 import Harness.Test.BackendType qualified as BackendType
@@ -83,11 +83,19 @@ backendTypeConfig =
 --------------------------------------------------------------------------------
 
 mkChinookStaticTestEnvironment :: TestEnvironment -> Managed ChinookTestEnv
-mkChinookStaticTestEnvironment = Chinook.mkChinookStaticTestEnvironment nameFormatting sourceConfiguration
+mkChinookStaticTestEnvironment = Chinook.mkChinookStaticTestEnvironment nameFormatting scalarTypes sourceConfiguration
 
 nameFormatting :: NameFormatting
 nameFormatting = NameFormatting id id id
 
+scalarTypes :: ScalarTypes
+scalarTypes =
+  ScalarTypes
+    { _stFloatType = "number",
+      _stIntegerType = "number",
+      _stStringType = "string"
+    }
+
 -- | Reference Agent specific @sources@ entry @configuration@ field.
 sourceConfiguration :: Aeson.Value
 sourceConfiguration =
diff --git a/server/lib/test-harness/src/Harness/Backend/DataConnector/Chinook/Sqlite.hs b/server/lib/test-harness/src/Harness/Backend/DataConnector/Chinook/Sqlite.hs
index 72bff312a80..2e9bef7c165 100644
--- a/server/lib/test-harness/src/Harness/Backend/DataConnector/Chinook/Sqlite.hs
+++ b/server/lib/test-harness/src/Harness/Backend/DataConnector/Chinook/Sqlite.hs
@@ -13,7 +13,7 @@ where
 --------------------------------------------------------------------------------
 
 import Control.Monad.Managed (Managed)
-import Harness.Backend.DataConnector.Chinook (ChinookTestEnv, NameFormatting (..))
+import Harness.Backend.DataConnector.Chinook (ChinookTestEnv, NameFormatting (..), ScalarTypes (..))
 import Harness.Backend.DataConnector.Chinook qualified as Chinook
 import Harness.Quoter.Yaml (yaml)
 import Harness.Test.BackendType qualified as BackendType
@@ -107,7 +107,7 @@ backendTypeConfig =
 --------------------------------------------------------------------------------
 
 mkChinookCloneTestEnvironment :: TestEnvironment -> Managed ChinookTestEnv
-mkChinookCloneTestEnvironment = Chinook.mkChinookCloneTestEnvironment nameFormatting
+mkChinookCloneTestEnvironment = Chinook.mkChinookCloneTestEnvironment nameFormatting scalarTypes
 
 nameFormatting :: NameFormatting
 nameFormatting = NameFormatting id id formatForeignKeyName
@@ -118,6 +118,14 @@ formatForeignKeyName = \case
   "Artist" -> "Album.ArtistId->Artist.ArtistId"
   x -> x
 
+scalarTypes :: ScalarTypes
+scalarTypes =
+  ScalarTypes
+    { _stFloatType = "number",
+      _stIntegerType = "number",
+      _stStringType = "string"
+    }
+
 chinookFixture :: Fixture ChinookTestEnv
 chinookFixture =
   Fixture