diff --git a/packages/nc-gui/composables/useTable.ts b/packages/nc-gui/composables/useTable.ts
index cb4bccea52..4596c2ff2c 100644
--- a/packages/nc-gui/composables/useTable.ts
+++ b/packages/nc-gui/composables/useTable.ts
@@ -30,7 +30,7 @@ export function useTable(onTableCreate?: (tableMeta: TableType) => void, baseId?
 
   const { getMeta, removeMeta } = useMetas()
 
-  const { loadTables } = useProject()
+  const { loadTables, isXcdbBase } = useProject()
 
   const { closeTab } = useTabs()
   const projectStore = useProject()
@@ -88,7 +88,9 @@ export function useTable(onTableCreate?: (tableMeta: TableType) => void, baseId?
           const meta = (await getMeta(table.id as string, true)) as TableType
           const relationColumns = meta?.columns?.filter((c) => c.uidt === UITypes.LinkToAnotherRecord && !isSystemColumn(c))
 
-          if (relationColumns?.length) {
+          // Check if table has any relation columns and show notification
+          // skip for xcdb base
+          if (relationColumns?.length && !isXcdbBase(table.base_id)) {
             const refColMsgs = await Promise.all(
               relationColumns.map(async (c, i) => {
                 const refMeta = (await getMeta(
diff --git a/packages/nocodb/src/db/sql-client/lib/sqlite/SqliteClient.ts b/packages/nocodb/src/db/sql-client/lib/sqlite/SqliteClient.ts
index 118423df7b..49e078a1b0 100644
--- a/packages/nocodb/src/db/sql-client/lib/sqlite/SqliteClient.ts
+++ b/packages/nocodb/src/db/sql-client/lib/sqlite/SqliteClient.ts
@@ -22,7 +22,7 @@ class SqliteClient extends KnexClient {
     // sqlite does not support inserting default values and knex fires a warning without this flag
     connectionConfig.connection.useNullAsDefault = true;
     super(connectionConfig);
-    this.sqlClient = knex(connectionConfig.connection);
+    this.sqlClient = connectionConfig?.knex  || knex(connectionConfig.connection);
     this.queries = queries;
     this._version = {};
   }
diff --git a/packages/nocodb/src/db/sql-mgr/v2/ProjectMgrv2.ts b/packages/nocodb/src/db/sql-mgr/v2/ProjectMgrv2.ts
index f8f884ea5f..730cbdda59 100644
--- a/packages/nocodb/src/db/sql-mgr/v2/ProjectMgrv2.ts
+++ b/packages/nocodb/src/db/sql-mgr/v2/ProjectMgrv2.ts
@@ -1,18 +1,21 @@
-import SqlMgrv2 from './SqlMgrv2';
-import SqlMgrv2Trans from './SqlMgrv2Trans';
+import { MetaService } from '../../../meta/meta.service'
+import SqlMgrv2 from './SqlMgrv2'
+import SqlMgrv2Trans from './SqlMgrv2Trans'
 // import type NcMetaIO from '../../../meta/NcMetaIO';
-import type Base from '../../../models/Base';
+import type Base from '../../../models/Base'
 
 export default class ProjectMgrv2 {
   private static sqlMgrMap: {
     [key: string]: SqlMgrv2;
-  } = {};
+  } = {}
+
+  public static getSqlMgr(project: { id: string }, ncMeta: MetaService = null): SqlMgrv2 {
+    if (ncMeta) return new SqlMgrv2(project, ncMeta)
 
-  public static getSqlMgr(project: { id: string }): SqlMgrv2 {
     if (!this.sqlMgrMap[project.id]) {
-      this.sqlMgrMap[project.id] = new SqlMgrv2(project);
+      this.sqlMgrMap[project.id] = new SqlMgrv2(project)
     }
-    return this.sqlMgrMap[project.id];
+    return this.sqlMgrMap[project.id]
   }
 
   public static async getSqlMgrTrans(
@@ -21,8 +24,8 @@ export default class ProjectMgrv2 {
     ncMeta: any,
     base: Base,
   ): Promise<SqlMgrv2Trans> {
-    const sqlMgr = new SqlMgrv2Trans(project, ncMeta, base);
-    await sqlMgr.startTransaction(base);
-    return sqlMgr;
+    const sqlMgr = new SqlMgrv2Trans(project, ncMeta, base)
+    await sqlMgr.startTransaction(base)
+    return sqlMgr
   }
 }
diff --git a/packages/nocodb/src/db/sql-mgr/v2/SqlMgrv2.ts b/packages/nocodb/src/db/sql-mgr/v2/SqlMgrv2.ts
index 17d808e15e..437a79921f 100644
--- a/packages/nocodb/src/db/sql-mgr/v2/SqlMgrv2.ts
+++ b/packages/nocodb/src/db/sql-mgr/v2/SqlMgrv2.ts
@@ -5,12 +5,14 @@ import NcConnectionMgrv2 from '../../../utils/common/NcConnectionMgrv2';
 import SqlClientFactory from '../../sql-client/lib/SqlClientFactory';
 import KnexMigratorv2 from '../../sql-migrator/lib/KnexMigratorv2';
 import Debug from '../../util/Debug';
+import type { MetaService } from '../../../meta/meta.service';
 import type Base from '../../../models/Base';
 
 const log = new Debug('SqlMgr');
 
 export default class SqlMgrv2 {
   protected _migrator: KnexMigratorv2;
+  protected ncMeta?: MetaService;
   // @ts-ignore
   private currentProjectFolder: any;
 
@@ -20,18 +22,18 @@ export default class SqlMgrv2 {
    * @param {String} args.toolDbPath - path to sqlite file that sql mgr will use
    * @memberof SqlMgr
    */
-  constructor(args: { id: string }) {
+  constructor(args: { id: string }, ncMeta = null) {
     const func = 'constructor';
     log.api(`${func}:args:`, args);
     // this.metaDb = args.metaDb;
     this._migrator = new KnexMigratorv2(args);
-
-    return this;
+    this.ncMeta = ncMeta;
   }
 
   public async migrator(_base: Base) {
     return this._migrator;
   }
+
   public static async testConnection(args = {}) {
     const client = await SqlClientFactory.create(args);
     return client.testConnection();
@@ -119,6 +121,10 @@ export default class SqlMgrv2 {
   }
 
   protected async getSqlClient(base: Base) {
+    if (base.is_meta && this.ncMeta) {
+      return NcConnectionMgrv2.getSqlClient(base, this.ncMeta.knex);
+    }
+
     return NcConnectionMgrv2.getSqlClient(base);
   }
 }
diff --git a/packages/nocodb/src/meta/meta.service.ts b/packages/nocodb/src/meta/meta.service.ts
index 5d30444980..565b921b42 100644
--- a/packages/nocodb/src/meta/meta.service.ts
+++ b/packages/nocodb/src/meta/meta.service.ts
@@ -532,7 +532,6 @@ export class MetaService {
     } else {
       query.where(idOrCondition);
     }
-
     return query.first();
   }
 
diff --git a/packages/nocodb/src/models/Model.ts b/packages/nocodb/src/models/Model.ts
index 0826fd538a..9fdbf44d4b 100644
--- a/packages/nocodb/src/models/Model.ts
+++ b/packages/nocodb/src/models/Model.ts
@@ -368,10 +368,10 @@ export default class Model implements TableType {
   }
 
   async delete(ncMeta = Noco.ncMeta, force = false): Promise<boolean> {
-    await Audit.deleteRowComments(this.id);
+    await Audit.deleteRowComments(this.id, ncMeta);
 
-    for (const view of await this.getViews(true)) {
-      await view.delete();
+    for (const view of await this.getViews(true, ncMeta)) {
+      await view.delete(ncMeta);
     }
 
     for (const col of await this.getColumns(ncMeta)) {
diff --git a/packages/nocodb/src/models/View.ts b/packages/nocodb/src/models/View.ts
index 86abcae743..e424200c64 100644
--- a/packages/nocodb/src/models/View.ts
+++ b/packages/nocodb/src/models/View.ts
@@ -986,9 +986,9 @@ export default class View implements ViewType {
 
   // @ts-ignore
   static async delete(viewId, ncMeta = Noco.ncMeta) {
-    const view = await this.get(viewId);
-    await Sort.deleteAll(viewId);
-    await Filter.deleteAll(viewId);
+    const view = await this.get(viewId, ncMeta);
+    await Sort.deleteAll(viewId, ncMeta);
+    await Filter.deleteAll(viewId, ncMeta);
     const table = this.extractViewTableName(view);
     const tableScope = this.extractViewTableNameScope(view);
     const columnTable = this.extractViewColumnsTableName(view);
@@ -1258,8 +1258,8 @@ export default class View implements ViewType {
     );
   }
 
-  async delete() {
-    await View.delete(this.id);
+  async delete(ncMeta = Noco.ncMeta){
+    await View.delete(this.id, ncMeta);
   }
 
   static async shareViewList(tableId, ncMeta = Noco.ncMeta) {
diff --git a/packages/nocodb/src/services/columns.service.ts b/packages/nocodb/src/services/columns.service.ts
index 7fd2972fce..f1c8a81620 100644
--- a/packages/nocodb/src/services/columns.service.ts
+++ b/packages/nocodb/src/services/columns.service.ts
@@ -1157,7 +1157,10 @@ export class ColumnsService {
     );
     const base = await Base.get(table.base_id, ncMeta);
 
-    const sqlMgr = await ProjectMgrv2.getSqlMgr({ id: base.project_id });
+    const sqlMgr = await ProjectMgrv2.getSqlMgr(
+      { id: base.project_id },
+      ncMeta,
+    );
 
     switch (column.uidt) {
       case UITypes.Lookup:
@@ -1271,7 +1274,7 @@ export class ColumnsService {
                   const colOpt =
                     await c.getColOptions<LinkToAnotherRecordColumn>(ncMeta);
                   if (colOpt.fk_related_model_id === mmTable.id) {
-                    await Column.delete(c.id);
+                    await Column.delete(c.id, ncMeta);
                   }
                 }
 
@@ -1403,35 +1406,37 @@ export class ColumnsService {
     if (!relationColOpt) {
       foreignKeyName = (
         (
-          await childTable.getColumns(ncMeta).then((cols) => {
-            return cols?.find((c) => {
-              return (
-                c.uidt === UITypes.LinkToAnotherRecord &&
-                c.colOptions.fk_related_model_id === parentTable.id &&
-                (c.colOptions as LinkToAnotherRecordType).fk_child_column_id ===
-                  childColumn.id &&
-                (c.colOptions as LinkToAnotherRecordType)
-                  .fk_parent_column_id === parentColumn.id
-              );
-            });
+          await childTable.getColumns(ncMeta).then(async (cols) => {
+            for (const col of cols) {
+              if (col.uidt === UITypes.LinkToAnotherRecord) {
+                const colOptions =
+                  await col.getColOptions<LinkToAnotherRecordColumn>(ncMeta);
+                console.log(colOptions);
+                if (colOptions.fk_related_model_id === parentTable.id) {
+                  return { colOptions };
+                }
+              }
+            }
           })
-        ).colOptions as LinkToAnotherRecordType
+        )?.colOptions as LinkToAnotherRecordType
       ).fk_index_name;
     } else {
       foreignKeyName = relationColOpt.fk_index_name;
     }
 
-    // todo: handle relation delete exception
-    try {
-      await sqlMgr.sqlOpPlus(base, 'relationDelete', {
-        childColumn: childColumn.column_name,
-        childTable: childTable.table_name,
-        parentTable: parentTable.table_name,
-        parentColumn: parentColumn.column_name,
-        foreignKeyName,
-      });
-    } catch (e) {
-      console.log(e);
+    if (!relationColOpt?.virtual) {
+      // todo: handle relation delete exception
+      try {
+        await sqlMgr.sqlOpPlus(base, 'relationDelete', {
+          childColumn: childColumn.column_name,
+          childTable: childTable.table_name,
+          parentTable: parentTable.table_name,
+          parentColumn: parentColumn.column_name,
+          foreignKeyName,
+        });
+      } catch (e) {
+        console.log(e);
+      }
     }
 
     if (!relationColOpt) return;
@@ -1462,6 +1467,28 @@ export class ColumnsService {
         },
         ncMeta,
       );
+
+      // if virtual column delete all index before deleting the column
+      if (relationColOpt?.virtual) {
+        const indexes =
+          (
+            await sqlMgr.sqlOp(base, 'indexList', {
+              tn: cTable.table_name,
+            })
+          )?.data?.list ?? [];
+
+        for (const index of indexes) {
+          if (index.cn !== childColumn.column_name) continue;
+
+          await sqlMgr.sqlOpPlus(base, 'indexDelete', {
+           ...index,
+            tn: cTable.table_name,
+            columns: [childColumn.column_name],
+            indexName: index.index_name,
+          });
+        }
+      }
+
       const tableUpdateBody = {
         ...cTable,
         tn: cTable.table_name,
@@ -1511,6 +1538,12 @@ export class ColumnsService {
     const sqlMgr = await ProjectMgrv2.getSqlMgr({
       id: param.base.project_id,
     });
+
+    // if xcdb base then treat as virtual relation to avoid creating foreign key
+    if (param.base.is_meta) {
+      (param.column as LinkToAnotherColumnReqType).virtual = true;
+    }
+
     if (
       (param.column as LinkToAnotherColumnReqType).type === 'hm' ||
       (param.column as LinkToAnotherColumnReqType).type === 'bt'
@@ -1565,11 +1598,6 @@ export class ColumnsService {
 
         childColumn = await Column.get({ colId: id });
 
-        // if xcdb base then treat as virtual relation to avoid creating foreign key
-        if (param.base.is_meta) {
-          (param.column as LinkToAnotherColumnReqType).virtual = true;
-        }
-
         // ignore relation creation if virtual
         if (!(param.column as LinkToAnotherColumnReqType).virtual) {
           foreignKeyName = generateFkName(parent, child);
@@ -1746,6 +1774,7 @@ export class ColumnsService {
         fk_mm_child_column_id: childCol.id,
         fk_mm_parent_column_id: parentCol.id,
         fk_related_model_id: parent.id,
+        virtual: (param.column as LinkToAnotherColumnReqType).virtual,
       });
       await Column.insert({
         title: getUniqueColumnAliasName(
@@ -1765,6 +1794,7 @@ export class ColumnsService {
         fk_mm_child_column_id: parentCol.id,
         fk_mm_parent_column_id: childCol.id,
         fk_related_model_id: child.id,
+        virtual: (param.column as LinkToAnotherColumnReqType).virtual,
       });
 
       // todo: create index for virtual relations as well
diff --git a/packages/nocodb/src/services/tables.service.ts b/packages/nocodb/src/services/tables.service.ts
index 4d9b21ca76..cf005b04a9 100644
--- a/packages/nocodb/src/services/tables.service.ts
+++ b/packages/nocodb/src/services/tables.service.ts
@@ -184,6 +184,11 @@ export class TablesService {
       // delete all relations
       await Promise.all(
         relationColumns.map((c) => {
+          // skip if column is hasmany relation to mm table
+          if (c.system) {
+            return;
+          }
+
           return this.columnsService.columnDelete(
             {
               req: param.req,
@@ -194,7 +199,7 @@ export class TablesService {
         }),
       );
 
-      const sqlMgr = await ProjectMgrv2.getSqlMgr(project);
+      const sqlMgr = await ProjectMgrv2.getSqlMgr(project, ncMeta);
       (table as any).tn = table.table_name;
       table.columns = table.columns.filter((c) => !isVirtualCol(c));
       table.columns.forEach((c) => {
@@ -210,15 +215,18 @@ export class TablesService {
         });
       }
 
-      await Audit.insert({
-        project_id: project.id,
-        base_id: base.id,
-        op_type: AuditOperationTypes.TABLE,
-        op_sub_type: AuditOperationSubTypes.DELETE,
-        user: param.user?.email,
-        description: `Deleted ${table.type} ${table.table_name} with alias ${table.title}  `,
-        ip: param.req?.clientIp,
-      }).then(() => {});
+      await Audit.insert(
+        {
+          project_id: project.id,
+          base_id: base.id,
+          op_type: AuditOperationTypes.TABLE,
+          op_sub_type: AuditOperationSubTypes.DELETE,
+          user: param.user?.email,
+          description: `Deleted ${table.type} ${table.table_name} with alias ${table.title}  `,
+          ip: param.req?.clientIp,
+        },
+        ncMeta,
+      ).then(() => {});
 
       T.emit('evt', { evt_type: 'table:deleted' });