diff --git a/wren-ui/migrations/20240125070643_create_project_table.js b/wren-ui/migrations/20240125070643_create_project_table.js
index 528005cc5..073dfcd15 100644
--- a/wren-ui/migrations/20240125070643_create_project_table.js
+++ b/wren-ui/migrations/20240125070643_create_project_table.js
@@ -13,11 +13,34 @@ exports.up = function (knex) {
     table.string('display_name').comment('project display name');
 
     // bq
-    table.string('project_id').comment('gcp project id, big query specific');
+    table
+      .string('project_id')
+      .nullable()
+      .comment('gcp project id, big query specific');
     table
       .text('credentials')
+      .nullable()
       .comment('project credentials, big query specific');
-    table.string('dataset_id').comment('big query datasetId');
+    table.string('dataset_id').nullable().comment('big query datasetId');
+
+    // duckdb
+    table
+      .jsonb('init_sql')
+      .nullable()
+      .comment('init sql for establishing duckdb environment');
+    // knex jsonb ref: https://knexjs.org/guide/schema-builder.html#json
+    table
+      .jsonb('extensions')
+      .nullable()
+      .comment(
+        'duckdb extensions, will be a array-like string like, eg: ["extension1", "extension2"]',
+      );
+    table
+      .jsonb('configurations')
+      .nullable()
+      .comment(
+        'duckdb configurations that can be set in session, eg: { "key1": "value1", "key2": "value2" }',
+      );
 
     // not sure to store or not, the catalog & schema in the manifest
     table.string('catalog').comment('catalog name');
diff --git a/wren-ui/src/apollo/server/adaptors/wrenAIAdaptor.ts b/wren-ui/src/apollo/server/adaptors/wrenAIAdaptor.ts
index 33201727e..ddf84a295 100644
--- a/wren-ui/src/apollo/server/adaptors/wrenAIAdaptor.ts
+++ b/wren-ui/src/apollo/server/adaptors/wrenAIAdaptor.ts
@@ -1,4 +1,4 @@
-import axios, { AxiosError } from 'axios';
+import axios from 'axios';
 import { Manifest } from '../mdl/type';
 import { getLogger } from '@server/utils';
 
diff --git a/wren-ui/src/apollo/server/adaptors/wrenEngineAdaptor.ts b/wren-ui/src/apollo/server/adaptors/wrenEngineAdaptor.ts
index 10fb2666a..7fe81a046 100644
--- a/wren-ui/src/apollo/server/adaptors/wrenEngineAdaptor.ts
+++ b/wren-ui/src/apollo/server/adaptors/wrenEngineAdaptor.ts
@@ -1,4 +1,4 @@
-import axios, { AxiosError } from 'axios';
+import axios from 'axios';
 import { Manifest } from '../mdl/type';
 import { getLogger } from '@server/utils';
 
@@ -20,11 +20,6 @@ export interface DeployResponse {
   error?: string;
 }
 
-enum WrenEngineSystemStatus {
-  READY = 'READY',
-  PREPARE = 'PREPARE',
-}
-
 interface DeployPayload {
   manifest: Manifest;
   version: string;
@@ -35,12 +30,27 @@ export interface deployData {
   hash: string;
 }
 
+export interface ColumnMetadata {
+  name: string;
+  type: string;
+}
+export interface QueryResponse {
+  columns: ColumnMetadata[];
+  data: any[][];
+}
+
 export interface IWrenEngineAdaptor {
   deploy(deployData: deployData): Promise<DeployResponse>;
+  initDatabase(sql: string): Promise<void>;
+  putSessionProps(props: Record<string, any>): Promise<void>;
+  queryDuckdb(sql: string): Promise<QueryResponse>;
 }
 
 export class WrenEngineAdaptor implements IWrenEngineAdaptor {
   private readonly wrenEngineBaseEndpoint: string;
+  private sessionPropsUrlPath = '/v1/data-source/DuckDB/settings/session-sql';
+  private queryDuckdbUrlPath = '/v1/data-source/DuckDB/query';
+  private initSqlUrlPath = '/v1/data-source/DuckDB/settings/init-sql';
   constructor({ wrenEngineEndpoint }: { wrenEngineEndpoint: string }) {
     this.wrenEngineBaseEndpoint = wrenEngineEndpoint;
   }
@@ -71,6 +81,56 @@ export class WrenEngineAdaptor implements IWrenEngineAdaptor {
     }
   }
 
+  public async initDatabase(sql) {
+    try {
+      const url = new URL(this.initSqlUrlPath, this.wrenEngineBaseEndpoint);
+      logger.debug(`Endpoint: ${url.href}`);
+      const headers = {
+        'Content-Type': 'text/plain; charset=utf-8',
+      };
+      await axios.put(url.href, sql, { headers });
+    } catch (err: any) {
+      logger.debug(`Got error when init database: ${err.message}`);
+      throw err;
+    }
+  }
+
+  public async putSessionProps(props: Record<string, any>) {
+    const setSessionStatements = Object.entries(props)
+      .map(([key, value]) => {
+        return `SET ${key} = '${value}';`;
+      })
+      .join('\n');
+    try {
+      const url = new URL(
+        this.sessionPropsUrlPath,
+        this.wrenEngineBaseEndpoint,
+      );
+      logger.debug(`Endpoint: ${url.href}`);
+      const headers = {
+        'Content-Type': 'text/plain; charset=utf-8',
+      };
+      await axios.put(url.href, setSessionStatements, { headers });
+    } catch (err: any) {
+      logger.debug(`Got error when put session props: ${err.message}`);
+      throw err;
+    }
+  }
+
+  public async queryDuckdb(sql: string): Promise<QueryResponse> {
+    try {
+      const url = new URL(this.queryDuckdbUrlPath, this.wrenEngineBaseEndpoint);
+      const headers = {
+        'Content-Type': 'text/plain; charset=utf-8',
+      };
+      const res = await axios.post(url.href, sql, { headers });
+      return res.data as QueryResponse;
+    } catch (err: any) {
+      logger.debug(`Got error when querying duckdb: ${err.message}`);
+      throw err;
+    }
+  }
+
   private async getDeployStatus(): Promise<WrenEngineDeployStatusResponse> {
     try {
       const res = await axios.get(
diff --git a/wren-ui/src/apollo/server/connectors/bqConnector.ts b/wren-ui/src/apollo/server/connectors/bqConnector.ts
index f02ea8812..3ebda6427 100644
--- a/wren-ui/src/apollo/server/connectors/bqConnector.ts
+++ b/wren-ui/src/apollo/server/connectors/bqConnector.ts
@@ -53,6 +53,10 @@ export class BQConnector
     this.bq = new BigQuery(bqOptions);
   }
 
+  public async prepare() {
+    return;
+  }
+
   public async connect() {
     try {
       await this.bq.query('SELECT 1;');
diff --git a/wren-ui/src/apollo/server/connectors/connector.ts b/wren-ui/src/apollo/server/connectors/connector.ts
index d17031913..d82358a92 100644
--- a/wren-ui/src/apollo/server/connectors/connector.ts
+++ b/wren-ui/src/apollo/server/connectors/connector.ts
@@ -1,6 +1,7 @@
 import { CompactTable } from '../types';
 
 export interface IConnector<T, C> {
+  prepare(prepareOptions: any): Promise<void>;
   connect(): Promise<boolean>;
   listTables(listTableOptions: any): Promise<CompactTable[] | T[]>;
   listConstraints(listConstraintOptions: any): Promise<[] | C[]>;
diff --git a/wren-ui/src/apollo/server/connectors/duckdbConnector.ts b/wren-ui/src/apollo/server/connectors/duckdbConnector.ts
new file mode 100644
index 000000000..97284b2ea
--- /dev/null
+++ b/wren-ui/src/apollo/server/connectors/duckdbConnector.ts
@@ -0,0 +1,112 @@
+import {
+  IWrenEngineAdaptor,
+  QueryResponse,
+} from '../adaptors/wrenEngineAdaptor';
+import { CompactTable } from '../types';
+import { IConnector } from './connector';
+import { getLogger } from '@server/utils';
+
+const logger = getLogger('DuckDBConnector');
+logger.level = 'debug';
+
+export interface DuckDBPrepareOptions {
+  initSql: string;
+  sessionProps: Record<string, any>;
+}
+
+export interface DuckDBListTableOptions {
+  format?: boolean;
+}
+
+export interface DuckDBColumnResponse {
+  table_catalog: string;
+  table_schema: string;
+  table_name: string;
+  column_name: string;
+  ordinal_position: string;
+  is_nullable: string;
+  data_type: string;
+}
+
+export class DuckDBConnector
+  implements IConnector<DuckDBColumnResponse[], any[]>
+{
+  private wrenEngineAdaptor: IWrenEngineAdaptor;
+  constructor({
+    wrenEngineAdaptor,
+  }: {
+    wrenEngineAdaptor: IWrenEngineAdaptor;
+  }) {
+    this.wrenEngineAdaptor = wrenEngineAdaptor;
+  }
+  public async prepare(prepareOptions: DuckDBPrepareOptions): Promise<void> {
+    const { initSql, sessionProps } = prepareOptions;
+    await this.wrenEngineAdaptor.initDatabase(initSql);
+    await this.wrenEngineAdaptor.putSessionProps(sessionProps);
+  }
+
+  public async connect(): Promise<boolean> {
+    const sql = 'SELECT 1;';
+    try {
+      await this.wrenEngineAdaptor.queryDuckdb(sql);
+      return true;
+    } catch (_err) {
+      return false;
+    }
+  }
+
+  public async listTables(listTableOptions: DuckDBListTableOptions) {
+    const sql =
+      'SELECT \
+      table_catalog, table_schema, table_name, column_name, ordinal_position, is_nullable, data_type\
+      FROM INFORMATION_SCHEMA.COLUMNS;';
+    const response = await this.wrenEngineAdaptor.queryDuckdb(sql);
+    if (listTableOptions.format) {
+      return this.formatToCompactTable(response);
+    }
+    return response.data;
+  }
+
+  public async listConstraints(): Promise<any[]> {
+    return [];
+  }
+
+  private formatToCompactTable(columns: QueryResponse): CompactTable[] {
+    return columns.data.reduce((acc: CompactTable[], row: any) => {
+      const [
+        table_catalog,
+        table_schema,
+        table_name,
+        column_name,
+        ordinal_position,
+        is_nullable,
+        data_type,
+      ] = row;
+      let table = acc.find(
+        (t) => t.name === table_name && t.properties.schema === table_schema,
+      );
+      if (!table) {
+        table = {
+          name: table_name,
+          description: '',
+          columns: [],
+          properties: {
+            schema: table_schema,
+            catalog: table_catalog,
+          },
+        };
+        acc.push(table);
+      }
+      table.columns.push({
+        name: column_name,
+        type: data_type,
+        notNull: is_nullable.toLocaleLowerCase() !== 'yes',
+        description: '',
+        properties: {
+          ordinalPosition: ordinal_position,
+        },
+      });
+      return acc;
+    }, []);
+  }
+}
diff --git a/wren-ui/src/apollo/server/repositories/baseRepository.ts b/wren-ui/src/apollo/server/repositories/baseRepository.ts
index 8da225888..2537105c8 100644
--- a/wren-ui/src/apollo/server/repositories/baseRepository.ts
+++ b/wren-ui/src/apollo/server/repositories/baseRepository.ts
@@ -116,7 +116,7 @@ export class BaseRepository<T> implements IBasicRepository<T> {
     const result = await executer(this.tableName)
       .insert(data.map(this.transformToDBData))
       .returning('*');
-    return result;
+    return result.map((data) => this.transformFromDBData(data));
   }
 
   public async updateOne(
diff --git a/wren-ui/src/apollo/server/repositories/projectRepository.ts b/wren-ui/src/apollo/server/repositories/projectRepository.ts
index 2699f6841..59f716a63 100644
--- a/wren-ui/src/apollo/server/repositories/projectRepository.ts
+++ b/wren-ui/src/apollo/server/repositories/projectRepository.ts
@@ -1,13 +1,28 @@
 import { Knex } from 'knex';
 import { BaseRepository, IBasicRepository } from './baseRepository';
+import {
+  camelCase,
+  isPlainObject,
+  mapKeys,
+  mapValues,
+  snakeCase,
+} from 'lodash';
 
 export interface Project {
   id: number; // ID
   type: string; // Project datasource type. ex: bigquery, mysql, postgresql, mongodb, etc
   displayName: string; // Project display name
+
+  // bq
   projectId: string; // BigQuery project id
   datasetId: string; // BigQuery datasetId
   credentials: string; // Project credentials, big query specific
+
+  // duckdb
+  initSql: string; // DuckDB init sql
+  configurations: Record<string, any>; // DuckDB configurations
+  extensions: string[];
+
   catalog: string; // Catalog name
   schema: string; // Schema name
   sampleDataset: string; // Sample dataset name
@@ -35,4 +50,34 @@ export class ProjectRepository
     }
     return projects[0];
   }
+
+  public override transformFromDBData: (data: any) => Project = (data: any) => {
+    if (!isPlainObject(data)) {
+      throw new Error('Unexpected dbdata');
+    }
+    const camelCaseData = mapKeys(data, (_value, key) => camelCase(key));
+    const formattedData = mapValues(camelCaseData, (value, key) => {
+      if (['configurations', 'extensions'].includes(key)) {
+        return JSON.parse(value);
+      }
+      return value;
+    });
+    return formattedData as Project;
+  };
+
+  public override transformToDBData: (data: Project) => any = (
+    data: Project,
+  ) => {
+    if (!isPlainObject(data)) {
+      throw new Error('Unexpected dbdata');
+    }
+    const snakeCaseData = mapKeys(data, (_value, key) => snakeCase(key));
+    const formattedData = mapValues(snakeCaseData, (value, key) => {
+      if (['configurations', 'extensions'].includes(key)) {
+        return JSON.stringify(value);
+      }
+      return value;
+    });
+    return formattedData;
+  };
 }
diff --git a/wren-ui/src/apollo/server/resolvers/projectResolver.ts b/wren-ui/src/apollo/server/resolvers/projectResolver.ts
index 43920de8c..7469cf46e 100644
--- a/wren-ui/src/apollo/server/resolvers/projectResolver.ts
+++ b/wren-ui/src/apollo/server/resolvers/projectResolver.ts
@@ -12,9 +12,16 @@ import {
   RelationData,
   AnalysisRelationInfo,
   RelationType,
+  CompactTable,
 } from '../types';
 import { getLogger, Encryptor } from '@server/utils';
 import { Model, ModelColumn, Project, Relation } from '../repositories';
+import {
+  DuckDBConnector,
+  DuckDBListTableOptions,
+  DuckDBPrepareOptions,
+} from '../connectors/duckdbConnector';
+import { IConnector } from '../connectors/connector';
 
 const logger = getLogger('DataSourceResolver');
 logger.level = 'debug';
@@ -73,19 +80,34 @@ export class ProjectResolver {
     const { type, properties } = args.data;
     if (type === DataSourceName.BIG_QUERY) {
       await this.saveBigQueryDataSource(properties, ctx);
-      return args.data;
+    } else if (type === DataSourceName.DUCKDB) {
+      await this.saveDuckDBDataSource(properties, ctx);
     }
+    return args.data;
   }
 
   public async listDataSourceTables(_root: any, _arg, ctx: IContext) {
     const project = await ctx.projectService.getCurrentProject();
-    const filePath = await ctx.projectService.getCredentialFilePath(project);
-    const connector = await this.getBQConnector(project, filePath);
-    const listTableOptions: BQListTableOptions = {
-      datasetId: project.datasetId,
-      format: true,
-    };
-    return await connector.listTables(listTableOptions);
+    let connector: IConnector<any, any>;
+    let listTableOptions: any;
+    if (project.type === DataSourceName.BIG_QUERY) {
+      const filePath = await ctx.projectService.getCredentialFilePath(project);
+      connector = await this.getBQConnector(project, filePath);
+      listTableOptions = {
+        datasetId: project.datasetId,
+        format: true,
+      } as BQListTableOptions;
+    } else {
+      connector = new DuckDBConnector({
+        wrenEngineAdaptor: ctx.wrenEngineAdaptor,
+      });
+      listTableOptions = { format: true } as DuckDBListTableOptions;
+    }
+    const tables = (await connector.listTables(
+      listTableOptions,
+    )) as CompactTable[];
+    logger.debug(tables);
+    return tables;
   }
 
   public async saveTables(
@@ -99,52 +121,86 @@ export class ProjectResolver {
 
     // get current project
     const project = await ctx.projectService.getCurrentProject();
-    const filePath = await ctx.projectService.getCredentialFilePath(project);
     const projectId = project.id;
 
     // get columns with descriptions
-    const connector = await this.getBQConnector(project, filePath);
-    const listTableOptions: BQListTableOptions = {
-      datasetId: project.datasetId,
-      format: false,
-    };
-    const dataSourceColumns = await connector.listTables(listTableOptions);
+    let connector: IConnector<any, any>;
+    let listTableOptions: any;
+    let dataSourceColumns: any;
+    if (project.type === DataSourceName.BIG_QUERY) {
+      const filePath = await ctx.projectService.getCredentialFilePath(project);
+      connector = await this.getBQConnector(project, filePath);
+      listTableOptions = {
+        datasetId: project.datasetId,
+        format: false,
+      } as BQListTableOptions;
+      dataSourceColumns = (await connector.listTables(
+        listTableOptions,
+      )) as BQColumnResponse[];
+    } else {
+      connector = new DuckDBConnector({
+        wrenEngineAdaptor: ctx.wrenEngineAdaptor,
+      });
+      listTableOptions = { format: true } as DuckDBListTableOptions;
+      dataSourceColumns = (await connector.listTables(
+        listTableOptions,
+      )) as CompactTable[];
+    }
 
     // delete existing models and columns
     await this.resetCurrentProjectModel(ctx, projectId);
 
     // create models
-    const tableDescriptions = (dataSourceColumns as BQColumnResponse[])
-      .filter((col) => col.table_description)
-      .reduce((acc, column) => {
-        acc[column.table_name] = column.table_description;
-        return acc;
-      }, {});
-    const models = await this.createModels(
-      tables,
-      projectId,
-      ctx,
-      tableDescriptions,
-    );
-    // create columns
-    const columns = await this.createAllColumnsInDataSource(
-      tables,
-      models,
-      dataSourceColumns as BQColumnResponse[],
-      ctx,
-    );
-
+    let models: Model[];
+    let columns: ModelColumn[];
+    if (project.type === DataSourceName.BIG_QUERY) {
+      models = await this.createBigQueryModels(
+        tables,
+        projectId,
+        ctx,
+        dataSourceColumns,
+      );
+      // create columns
+      columns = await this.createBigQueryColumns(
+        tables,
+        models,
+        dataSourceColumns as BQColumnResponse[],
+        ctx,
+      );
+    } else {
+      models = await this.createDuckDBModels(
+        tables,
+        projectId,
+        ctx,
+        dataSourceColumns as CompactTable[],
+      );
+      logger.debug({ models });
+      // create columns
+      columns = await this.createDuckDBColumns(
+        tables,
+        models,
+        dataSourceColumns as CompactTable[],
+        ctx,
+      );
+    }
     this.deploy(ctx);
     return { models: models, columns };
   }
 
   public async autoGenerateRelation(_root: any, _arg: any, ctx: IContext) {
     const project = await ctx.projectService.getCurrentProject();
-    const filePath = await ctx.projectService.getCredentialFilePath(project);
     const models = await ctx.modelRepository.findAllBy({
       projectId: project.id,
     });
-
+    // Duckdb: skip auto generate relation
+    if (project.type === DataSourceName.DUCKDB) {
+      return models.map(({ id, sourceTableName }) => ({
+        id,
+        name: sourceTableName,
+        relations: [],
+      }));
+    }
+    const filePath = await ctx.projectService.getCredentialFilePath(project);
     const connector = await this.getBQConnector(project, filePath);
     const listConstraintOptions = {
       datasetId: project.datasetId,
@@ -279,7 +335,7 @@ export class ProjectResolver {
     return new BQConnector(connectionOption);
   }
 
-  private async createAllColumnsInDataSource(
+  private async createBigQueryColumns(
     tables: string[],
     models: Model[],
     dataSourceColumns: BQColumnResponse[],
@@ -320,14 +376,58 @@ export class ProjectResolver {
     return columns;
   }
 
-  private async createModels(
+  private async createDuckDBColumns(
+    tables: string[],
+    models: Model[],
+    compactTables: CompactTable[],
+    ctx: IContext,
+  ) {
+    const columnValues = tables.reduce((acc, tableName) => {
+      const modelId = models.find((m) => m.sourceTableName === tableName)?.id;
+      if (!modelId) {
+        throw new Error(`Model not found: ${tableName}`);
+      }
+      const compactColumns = compactTables.find(
+        (table) => table.name === tableName,
+      )?.columns;
+      if (!compactColumns) {
+        throw new Error('Table not found');
+      }
+      for (const compactColumn of compactColumns) {
+        const columnName = compactColumn.name;
+        const columnValue = {
+          modelId,
+          isCalculated: false,
+          displayName: columnName,
+          sourceColumnName: columnName,
+          referenceName: columnName,
+          type: compactColumn.type || 'string',
+          notNull: compactColumn.notNull,
+          isPk: false,
+          properties: JSON.stringify(compactColumn.properties),
+        } as Partial<ModelColumn>;
+        acc.push(columnValue);
+      }
+      return acc;
+    }, []);
+    const columns = await ctx.modelColumnRepository.createMany(columnValues);
+    return columns;
+  }
+
+  private async createBigQueryModels(
     tables: string[],
     id: number,
     ctx: IContext,
-    tableDescriptions: { [key: string]: string },
+    dataSourceColumns: BQColumnResponse[],
   ) {
+    const tableDescriptionMap = dataSourceColumns
+      .filter((col) => col.table_description)
+      .reduce((acc, column) => {
+        acc[column.table_name] = column.table_description;
+        return acc;
+      }, {});
     const modelValues = tables.map((tableName) => {
-      const description = tableDescriptions[tableName];
+      const description = tableDescriptionMap[tableName];
       const model = {
         projectId: id,
         displayName: tableName, //use table name as displayName, referenceName and tableName
@@ -341,14 +441,82 @@ export class ProjectResolver {
       return model;
     });
 
-    const models = await Promise.all(
-      modelValues.map(
-        async (modelValue) => await ctx.modelRepository.createOne(modelValue),
-      ),
-    );
+    const models = await ctx.modelRepository.createMany(modelValues);
     return models;
   }
 
+  private async createDuckDBModels(
+    tables: string[],
+    id: number,
+    ctx: IContext,
+    compactTables: CompactTable[],
+  ) {
+    const modelValues = tables.map((tableName) => {
+      const compactTable = compactTables.find(
+        (table) => table.name === tableName,
+      );
+      const properties = compactTable.properties
+        ? JSON.stringify(compactTable.properties)
+        : null;
+      const model = {
+        projectId: id,
+        displayName: tableName, //use table name as displayName, referenceName and tableName
+        referenceName: tableName,
+        sourceTableName: tableName,
+        refSql: `select * from ${compactTable.properties.schema}.${tableName}`,
+        cached: false,
+        refreshTime: null,
+        properties,
+      } as Partial<Model>;
+      return model;
+    });
+
+    const models = await ctx.modelRepository.createMany(modelValues);
+    return models;
+  }
+
+  private async saveDuckDBDataSource(properties: any, ctx: IContext) {
+    const { displayName, extensions, configurations } = properties;
+    const initSql = this.concatInitSql(properties.initSql, extensions);
+    const connector = new DuckDBConnector({
+      wrenEngineAdaptor: ctx.wrenEngineAdaptor,
+    });
+
+    // prepare duckdb environment in wren-engine
+    const prepareOption = {
+      sessionProps: configurations,
+      initSql,
+    } as DuckDBPrepareOptions;
+    await connector.prepare(prepareOption);
+
+    // check DataSource is valid and can connect to it
+    const connected = await connector.connect();
+    if (!connected) {
+      throw new Error('Can not connect to data source');
+    }
+    // check can list dataset table
+    try {
+      await connector.listTables({ format: false });
+    } catch (_e) {
+      throw new Error('Can not list tables in dataset');
+    }
+
+    // remove existing datasource
+    await this.removeCurrentProject(ctx);
+
+    // save DataSource to database
+    const project = await ctx.projectRepository.createOne({
+      displayName,
+      schema: 'tbd',
+      catalog: 'tbd',
+      type: DataSourceName.DUCKDB,
+      initSql,
+      configurations,
+      extensions,
+    });
+    return project;
+  }
+
   private async saveBigQueryDataSource(properties: any, ctx: IContext) {
     const { displayName, projectId, datasetId, credentials } = properties;
     const { config } = ctx;
@@ -363,6 +531,7 @@ export class ProjectResolver {
       keyFilename: filePath,
     };
     const connector = new BQConnector(connectionOption);
+    await connector.prepare();
     const connected = await connector.connect();
     if (!connected) {
       throw new Error('Can not connect to data source');
@@ -378,13 +547,7 @@ export class ProjectResolver {
     const encryptedCredentials = encryptor.encrypt(credentials);
 
     // remove existing datasource
-    try {
-      const currentProject = await ctx.projectRepository.getCurrentProject();
-      await this.resetCurrentProjectModel(ctx, currentProject.id);
-      await ctx.projectRepository.deleteOne(currentProject.id);
-    } catch (_err: any) {
-      // do nothing
-    }
+    await this.removeCurrentProject(ctx);
 
     // TODO: add displayName, schema, catalog to the DataSource, depends on the MDL structure
     const project = await ctx.projectRepository.createOne({
@@ -425,4 +588,23 @@ export class ProjectResolver {
     await ctx.modelColumnRepository.deleteByModelIds(modelIds);
     await ctx.modelRepository.deleteMany(modelIds);
   }
+
+  private concatInitSql(initSql: string, extensions: string[]) {
+    const installExtensions = extensions
+      .map((ext) => `INSTALL ${ext};`)
+      .join('\n');
+    return `${installExtensions}\n${initSql}`;
+  }
+
+  private async removeCurrentProject(ctx) {
+    let currentProject: Project;
+    try {
+      currentProject = await ctx.projectRepository.getCurrentProject();
+    } catch (_err: any) {
+      // no project found
+      return;
+    }
+    await this.resetCurrentProjectModel(ctx, currentProject.id);
+    await ctx.projectRepository.deleteOne(currentProject.id);
+  }
 }
diff --git a/wren-ui/src/apollo/server/schema.ts b/wren-ui/src/apollo/server/schema.ts
index 82c0f657d..ba92ae570 100644
--- a/wren-ui/src/apollo/server/schema.ts
+++ b/wren-ui/src/apollo/server/schema.ts
@@ -5,6 +5,7 @@ export const typeDefs = gql`
 
   enum DataSourceName {
     BIG_QUERY
+    DUCKDB
   }
 
   type UsableDataSource {
@@ -25,6 +26,7 @@ export const typeDefs = gql`
   type CompactTable {
     name: String!
     columns: [CompactColumn!]!
+    properties: JSON
   }
 
   input MDLModelSubmitInput {
@@ -84,6 +86,7 @@ export const typeDefs = gql`
   type CompactColumn {
     name: String!
     type: String!
+    properties: JSON
   }
 
   input CustomFieldInput {
diff --git a/wren-ui/src/apollo/server/types/context.ts b/wren-ui/src/apollo/server/types/context.ts
index 80495bcab..44aa54a30 100644
--- a/wren-ui/src/apollo/server/types/context.ts
+++ b/wren-ui/src/apollo/server/types/context.ts
@@ -1,3 +1,4 @@
+import { IWrenEngineAdaptor } from '../adaptors/wrenEngineAdaptor';
 import { IConfig } from '../config';
 import {
   IModelColumnRepository,
@@ -14,6 +15,9 @@ import { IProjectService } from '../services/projectService';
 export interface IContext {
   config: IConfig;
 
+  // adaptor
+  wrenEngineAdaptor: IWrenEngineAdaptor;
+
   // services
   projectService: IProjectService;
   modelService: IModelService;
diff --git a/wren-ui/src/apollo/server/types/dataSource.ts b/wren-ui/src/apollo/server/types/dataSource.ts
index 67a12b066..5b22ebe4d 100644
--- a/wren-ui/src/apollo/server/types/dataSource.ts
+++ b/wren-ui/src/apollo/server/types/dataSource.ts
@@ -1,5 +1,6 @@
 export enum DataSourceName {
   BIG_QUERY = 'BIG_QUERY',
+  DUCKDB = 'DUCKDB',
 }
 
 interface BaseDataSource {
diff --git a/wren-ui/src/apollo/server/types/model.ts b/wren-ui/src/apollo/server/types/model.ts
index 840f4af45..400f1f44a 100644
--- a/wren-ui/src/apollo/server/types/model.ts
+++ b/wren-ui/src/apollo/server/types/model.ts
@@ -38,10 +38,12 @@ export interface CompactColumn {
   type: string;
   notNull: boolean;
   description?: string;
+  properties?: Record<string, any>;
 }
 
 export interface CompactTable {
   name: string;
   columns: CompactColumn[];
   description?: string;
+  properties?: Record<string, any>;
 }
diff --git a/wren-ui/src/apollo/server/utils/tests/encryptor.test.ts b/wren-ui/src/apollo/server/utils/tests/encryptor.test.ts
index 5cca21fa7..e86776f8e 100644
--- a/wren-ui/src/apollo/server/utils/tests/encryptor.test.ts
+++ b/wren-ui/src/apollo/server/utils/tests/encryptor.test.ts
@@ -1,4 +1,3 @@
-import { IConfig } from '../../config';
 import { Encryptor } from '../encryptor';
 import crypto from 'crypto';
 
diff --git a/wren-ui/src/components/diagram/customNode/Column.tsx b/wren-ui/src/components/diagram/customNode/Column.tsx
index d0fdaffcb..e066e5bbf 100644
--- a/wren-ui/src/components/diagram/customNode/Column.tsx
+++ b/wren-ui/src/components/diagram/customNode/Column.tsx
@@ -1,7 +1,6 @@
 import { ReactFlowInstance, useReactFlow } from 'reactflow';
 import styled from 'styled-components';
 import MarkerHandle from './MarkerHandle';
-import CustomPopover from '../CustomPopover';
 
 const NodeColumn = styled.div`
   position: relative;
diff --git a/wren-ui/src/pages/api/graphql.ts b/wren-ui/src/pages/api/graphql.ts
index 5afa85d89..11f80bdd1 100644
--- a/wren-ui/src/pages/api/graphql.ts
+++ b/wren-ui/src/pages/api/graphql.ts
@@ -77,6 +77,9 @@ const apolloServer: ApolloServer = new ApolloServer({
   context: (): IContext => ({
     config: serverConfig,
 
+    // adaptor
+    wrenEngineAdaptor,
+
     // services
     projectService,
     modelService,