diff --git a/extensions/mssql/config.json b/extensions/mssql/config.json
index 39f50a744e..14995090e2 100644
--- a/extensions/mssql/config.json
+++ b/extensions/mssql/config.json
@@ -1,6 +1,6 @@
 {
 	"downloadUrl": "https://github.com/Microsoft/sqltoolsservice/releases/download/{#version#}/microsoft.sqltools.servicelayer-{#fileName#}",
-	"version": "4.5.0.36",
+	"version": "4.5.0.38",
 	"downloadFileNames": {
 		"Windows_86": "win-x86-net7.0.zip",
 		"Windows_64": "win-x64-net7.0.zip",
diff --git a/extensions/mssql/src/contracts.ts b/extensions/mssql/src/contracts.ts
index 6034d81936..b9b9161289 100644
--- a/extensions/mssql/src/contracts.ts
+++ b/extensions/mssql/src/contracts.ts
@@ -624,6 +624,10 @@ export namespace SetDatabaseSourceRequest {
 	export const type = new RequestType<SetDatabaseSourceParams, azdata.ResultStatus, void, void>('sqlProjects/setDatabaseSource');
 }
 
+export namespace SetDatabaseSchemaProviderRequest {
+	export const type = new RequestType<SetDatabaseSchemaProviderParams, azdata.ResultStatus, void, void>('sqlProjects/setDatabaseSchemaProvider');
+}
+
 //#endregion
 
 //#region File/folder functions
@@ -717,23 +721,23 @@ export namespace GetPreDeploymentScriptsRequest {
 //#region None functions
 
 export namespace AddNoneItemRequest {
-	export const type = new RequestType<SqlProjectScriptParams, azdata.ResultStatus, void, void>('sqlProjects/addNoneScript');
+	export const type = new RequestType<SqlProjectScriptParams, azdata.ResultStatus, void, void>('sqlProjects/addNoneItem');
 }
 
 export namespace DeleteNoneItemRequest {
-	export const type = new RequestType<SqlProjectScriptParams, azdata.ResultStatus, void, void>('sqlProjects/deleteNoneScript');
+	export const type = new RequestType<SqlProjectScriptParams, azdata.ResultStatus, void, void>('sqlProjects/deleteNoneItem');
 }
 
 export namespace ExcludeNoneItemRequest {
-	export const type = new RequestType<SqlProjectScriptParams, azdata.ResultStatus, void, void>('sqlProjects/excludeNoneScript');
+	export const type = new RequestType<SqlProjectScriptParams, azdata.ResultStatus, void, void>('sqlProjects/excludeNoneItem');
 }
 
 export namespace GetNoneItemsRequest {
-	export const type = new RequestType<SqlProjectParams, mssql.GetScriptsResult, void, void>('sqlProjects/getNoneScripts');
+	export const type = new RequestType<SqlProjectParams, mssql.GetScriptsResult, void, void>('sqlProjects/getNoneItems');
 }
 
 export namespace MoveNoneItemRequest {
-	export const type = new RequestType<MoveItemParams, azdata.ResultStatus, void, void>('sqlProjects/moveNoneScript');
+	export const type = new RequestType<MoveItemParams, azdata.ResultStatus, void, void>('sqlProjects/moveNoneItem');
 }
 
 //#endregion
@@ -809,6 +813,13 @@ export interface SetDatabaseSourceParams extends SqlProjectParams {
 	databaseSource: string;
 }
 
+export interface SetDatabaseSchemaProviderParams extends SqlProjectParams {
+	/**
+	 * New DatabaseSchemaProvider value, in the form "Microsoft.Data.Tools.Schema.Sql.SqlXYZDatabaseSchemaProvider"
+	 */
+	databaseSchemaProvider: string;
+}
+
 export interface AddDacpacReferenceParams extends AddUserDatabaseReferenceParams {
 	/**
 	 * Path to the .dacpac file
diff --git a/extensions/mssql/src/mssql.d.ts b/extensions/mssql/src/mssql.d.ts
index bd0b9dcfb9..6907cb41ab 100644
--- a/extensions/mssql/src/mssql.d.ts
+++ b/extensions/mssql/src/mssql.d.ts
@@ -472,6 +472,13 @@ declare module 'mssql' {
 		 */
 		setDatabaseSource(projectUri: string, databaseSource: string): Promise<azdata.ResultStatus>;
 
+		/**
+		 * Set the DatabaseSchemaProvider property of a SQL project
+		 * @param projectUri Absolute path of the project, including .sqlproj
+		 * @param databaseSchemaProvider New DatabaseSchemaProvider value, in the form "Microsoft.Data.Tools.Schema.Sql.SqlXYZDatabaseSchemaProvider"
+		 */
+		setDatabaseSchemaProvider(projectUri: string, databaseSchemaProvider: string): Promise<azdata.ResultStatus>;
+
 		/**
 		 * Get the cross-platform compatibility status for a project
 		 * @param projectUri Absolute path of the project, including .sqlproj
@@ -676,6 +683,14 @@ declare module 'mssql' {
 		 * Source of the database schema, used in telemetry
 		 */
 		databaseSource?: string;
+		/**
+		 * Style of the .sqlproj file - SdkStyle or LegacyStyle
+		 */
+		projectStyle: ProjectType;
+		/**
+		 * Database Schema Provider, in the format "Microsoft.Data.Tools.Schema.Sql.SqlXYZDatabaseSchemaProvider"
+		 */
+		databaseSchemaProvider: string
 	}
 
 	//#endregion
diff --git a/extensions/mssql/src/sqlProjects/sqlProjectsService.ts b/extensions/mssql/src/sqlProjects/sqlProjectsService.ts
index c2a3bf7890..a484e9f5aa 100644
--- a/extensions/mssql/src/sqlProjects/sqlProjectsService.ts
+++ b/extensions/mssql/src/sqlProjects/sqlProjectsService.ts
@@ -257,6 +257,16 @@ export class SqlProjectsService implements mssql.ISqlProjectsService {
 		return await this.runWithErrorHandling(contracts.SetDatabaseSourceRequest.type, params);
 	}
 
+	/**
+	 * Set the DatabaseSchemaProvider property of a SQL project
+	 * @param projectUri Absolute path of the project, including .sqlproj
+	 * @param databaseSchemaProvider New DatabaseSchemaProvider value, in the form "Microsoft.Data.Tools.Schema.Sql.SqlXYZDatabaseSchemaProvider"
+	 */
+	public async setDatabaseSchemaProvider(projectUri: string, databaseSchemaProvider: string): Promise<azdata.ResultStatus> {
+		const params: contracts.SetDatabaseSchemaProviderParams = { projectUri: projectUri, databaseSchemaProvider: databaseSchemaProvider };
+		return await this.runWithErrorHandling(contracts.SetDatabaseSchemaProviderRequest.type, params);
+	}
+
 	/**
 	 * Add a SQLCMD variable to a project
 	 * @param projectUri Absolute path of the project, including .sqlproj
diff --git a/extensions/types/vscode-mssql.d.ts b/extensions/types/vscode-mssql.d.ts
index 9f7da39868..c057f83455 100644
--- a/extensions/types/vscode-mssql.d.ts
+++ b/extensions/types/vscode-mssql.d.ts
@@ -592,6 +592,13 @@ declare module 'vscode-mssql' {
 		 */
 		setDatabaseSource(projectUri: string, databaseSource: string): Promise<ResultStatus>;
 
+		/**
+		 * Set the DatabaseSchemaProvider property of a SQL project
+		 * @param projectUri Absolute path of the project, including .sqlproj
+		 * @param databaseSchemaProvider New DatabaseSchemaProvider value, in the form "Microsoft.Data.Tools.Schema.Sql.SqlXYZDatabaseSchemaProvider"
+		 */
+		setDatabaseSchemaProvider(projectUri: string, databaseSchemaProvider: string): Promise<ResultStatus>;
+
 		/**
 		 * Get the cross-platform compatibility status for a project
 		 * @param projectUri Absolute path of the project, including .sqlproj