diff --git a/integration-tests/__tests__/deploy-database.spec.js b/integration-tests/__tests__/deploy-database.spec.js
index aac6aad88..480ba1e09 100644
--- a/integration-tests/__tests__/deploy-database.spec.js
+++ b/integration-tests/__tests__/deploy-database.spec.js
@@ -82,30 +82,34 @@ async function testDatabaseDeploy(engine, conn, driver, dbModelsYaml, options) {
   dbdiffOptionsExtra.schemaMode = 'ignore';
 
   for (const loadedDbModel of dbModelsYaml) {
-    const { sql, isEmpty } = await generateDeploySql({
-      systemConnection: conn.isPreparedOnly ? undefined : conn,
-      connection: conn.isPreparedOnly ? conn : undefined,
-      driver,
-      loadedDbModel,
-      dbdiffOptionsExtra,
-    });
-    console.debug('Generated deploy script:', sql);
-    if (!allowDropStatements) {
-      expect(sql.toUpperCase().includes('DROP ')).toBeFalsy();
-    }
+    if (_.isString(loadedDbModel)) {
+      await driver.script(conn, loadedDbModel);
+    } else {
+      const { sql, isEmpty } = await generateDeploySql({
+        systemConnection: conn.isPreparedOnly ? undefined : conn,
+        connection: conn.isPreparedOnly ? conn : undefined,
+        driver,
+        loadedDbModel,
+        dbdiffOptionsExtra,
+      });
+      console.debug('Generated deploy script:', sql);
+      if (!allowDropStatements) {
+        expect(sql.toUpperCase().includes('DROP ')).toBeFalsy();
+      }
 
-    console.log('dbModelsYaml.length', dbModelsYaml.length, index);
-    if (testEmptyLastScript && index == dbModelsYaml.length - 1) {
-      expect(isEmpty).toBeTruthy();
-    }
+      console.log('dbModelsYaml.length', dbModelsYaml.length, index);
+      if (testEmptyLastScript && index == dbModelsYaml.length - 1) {
+        expect(isEmpty).toBeTruthy();
+      }
 
-    await deployDb({
-      systemConnection: conn.isPreparedOnly ? undefined : conn,
-      connection: conn.isPreparedOnly ? conn : undefined,
-      driver,
-      loadedDbModel,
-      dbdiffOptionsExtra,
-    });
+      await deployDb({
+        systemConnection: conn.isPreparedOnly ? undefined : conn,
+        connection: conn.isPreparedOnly ? conn : undefined,
+        driver,
+        loadedDbModel,
+        dbdiffOptionsExtra,
+      });
+    }
 
     index++;
   }
@@ -416,6 +420,48 @@ describe('Deploy database', () => {
     })
   );
 
+  test.each(engines.map(engine => [engine.label, engine]))(
+    'Change column to NOT NULL column with default - %s',
+    testWrapper(async (conn, driver, engine) => {
+      await testDatabaseDeploy(engine, conn, driver, [
+        [
+          {
+            name: 't1.table.yaml',
+            json: {
+              name: 't1',
+              columns: [
+                { name: 'id', type: 'int', notNull: true },
+                { name: 'val', type: 'int' },
+              ],
+
+              primaryKey: ['id'],
+            },
+          },
+        ],
+        'insert into t1 (id, val) values (1, 1); insert into t1 (id) values (2)',
+        [
+          {
+            name: 't1.table.yaml',
+            json: {
+              name: 't1',
+              columns: [
+                { name: 'id', type: 'int', notNull: true },
+                { name: 'val', type: 'int', notNull: true, default: '20' },
+              ],
+              primaryKey: ['id'],
+            },
+          },
+        ],
+      ]);
+
+      const res1 = await driver.query(conn, `select val from t1 where id = 1`);
+      expect(res1.rows[0].val).toEqual(1);
+
+      const res2 = await driver.query(conn, `select val from t1 where id = 2`);
+      expect(res2.rows[0].val).toEqual(20);
+    })
+  );
+
   const T1 = {
     name: 't1.table.yaml',
     json: {
diff --git a/packages/tools/src/SqlDumper.ts b/packages/tools/src/SqlDumper.ts
index a5f6ffca4..8fa3a83f2 100644
--- a/packages/tools/src/SqlDumper.ts
+++ b/packages/tools/src/SqlDumper.ts
@@ -731,6 +731,12 @@ export class SqlDumper implements AlterProcessor {
     this.put(formatString, optionValue);
   }
 
+  fillNewNotNullDefaults(col: ColumnInfo) {
+    if (col.notNull && col.defaultValue) {
+      this.putCmd('^update %f ^set %i = %s ^where %i ^is ^null', col, col.columnName, col.defaultValue, col.columnName);
+    }
+  }
+
   fillPreloadedRows(
     table: NamedObjectInfo,
     oldRows: any[],
diff --git a/plugins/dbgate-plugin-mssql/src/frontend/MsSqlDumper.js b/plugins/dbgate-plugin-mssql/src/frontend/MsSqlDumper.js
index 68f599535..b87c6b44e 100644
--- a/plugins/dbgate-plugin-mssql/src/frontend/MsSqlDumper.js
+++ b/plugins/dbgate-plugin-mssql/src/frontend/MsSqlDumper.js
@@ -132,6 +132,7 @@ class MsSqlDumper extends SqlDumper {
     } else {
       this.dropDefault(oldcol);
       if (oldcol.columnName != newcol.columnName) this.renameColumn(oldcol, newcol.columnName);
+      this.fillNewNotNullDefaults(newcol);
       this.put('^alter ^table %f ^alter ^column %i ', oldcol, oldcol.columnName, newcol.columnName);
       this.columnDefinition(newcol, { includeDefault: false });
       this.endCommand();
diff --git a/plugins/dbgate-plugin-postgres/src/frontend/Dumper.js b/plugins/dbgate-plugin-postgres/src/frontend/Dumper.js
index dd269f590..963fc1dc1 100644
--- a/plugins/dbgate-plugin-postgres/src/frontend/Dumper.js
+++ b/plugins/dbgate-plugin-postgres/src/frontend/Dumper.js
@@ -76,10 +76,6 @@ class Dumper extends SqlDumper {
     if (!testEqualTypes(oldcol, newcol)) {
       this.putCmd('^alter ^table %f ^alter ^column %i ^type %s', oldcol, newcol.columnName, newcol.dataType);
     }
-    if (oldcol.notNull != newcol.notNull) {
-      if (newcol.notNull) this.putCmd('^alter ^table %f ^alter ^column %i ^set ^not ^null', newcol, newcol.columnName);
-      else this.putCmd('^alter ^table %f ^alter ^column %i ^drop ^not ^null', newcol, newcol.columnName);
-    }
     if (oldcol.defaultValue != newcol.defaultValue) {
       if (newcol.defaultValue == null) {
         this.putCmd('^alter ^table %f ^alter ^column %i ^drop ^default', newcol, newcol.columnName);
@@ -92,6 +88,11 @@ class Dumper extends SqlDumper {
         );
       }
     }
+    if (oldcol.notNull != newcol.notNull) {
+      this.fillNewNotNullDefaults(newcol);
+      if (newcol.notNull) this.putCmd('^alter ^table %f ^alter ^column %i ^set ^not ^null', newcol, newcol.columnName);
+      else this.putCmd('^alter ^table %f ^alter ^column %i ^drop ^not ^null', newcol, newcol.columnName);
+    }
   }
 
   putValue(value) {