diff --git a/src/Expression/JsonExpression.php b/src/Expression/JsonExpression.php
index fa2014f2f..b5898f5f4 100644
--- a/src/Expression/JsonExpression.php
+++ b/src/Expression/JsonExpression.php
@@ -19,9 +19,6 @@
  */
 class JsonExpression implements ExpressionInterface, JsonSerializable
 {
-    public const TYPE_JSON = 'json';
-    public const TYPE_JSONB = 'jsonb';
-
     public function __construct(protected mixed $value, private string|null $type = null)
     {
         if ($value instanceof self) {
diff --git a/src/QueryBuilder/QueryBuilderInterface.php b/src/QueryBuilder/QueryBuilderInterface.php
index d9352f9c7..468c161af 100644
--- a/src/QueryBuilder/QueryBuilderInterface.php
+++ b/src/QueryBuilder/QueryBuilderInterface.php
@@ -12,11 +12,6 @@
 
 interface QueryBuilderInterface extends DDLQueryBuilderInterface, DMLQueryBuilderInterface, DQLQueryBuilderInterface
 {
-    /**
-     * Defines a UNIQUE index type for {@see createIndex()}.
-     */
-    public const INDEX_UNIQUE = 'UNIQUE';
-
     /**
      * Helper method to add $value to $params array using {@see PARAM_PREFIX}.
      *
diff --git a/src/Schema/AbstractColumnSchemaBuilder.php b/src/Schema/AbstractColumnSchemaBuilder.php
index 289c3af21..bdc08e82e 100644
--- a/src/Schema/AbstractColumnSchemaBuilder.php
+++ b/src/Schema/AbstractColumnSchemaBuilder.php
@@ -20,7 +20,7 @@
  * For example, the following code creates a column schema for an integer column:
  *
  * ```php
- * $column = (new ColumnSchemaBuilder(Schema::TYPE_INTEGER))->notNull()->defaultValue(0);
+ * $column = (new ColumnSchemaBuilder(SchemaInterface::TYPE_INTEGER))->notNull()->defaultValue(0);
  * ```
  *
  * The AbstractColumnSchemaBuilder class provides a fluent interface, which means that the methods can be chained
diff --git a/src/Schema/SchemaInterface.php b/src/Schema/SchemaInterface.php
index e4544db2e..23cbd72fc 100644
--- a/src/Schema/SchemaInterface.php
+++ b/src/Schema/SchemaInterface.php
@@ -24,6 +24,33 @@ interface SchemaInterface extends ConstraintSchemaInterface
     public const FOREIGN_KEYS = 'foreignKeys';
     public const DEFAULT_VALUES = 'defaultValues';
     public const UNIQUES = 'uniques';
+    public const DEFAULTS = 'defaults';
+
+    /**
+     * Types of supported indexes {@see QueryBuilderInterface::createIndex()}.
+     * MySQL, MSSQL, Oracle, PostgreSQL, SQLite
+     */
+    public const INDEX_UNIQUE = 'UNIQUE';
+
+    /* MySQL, PostgreSQL */
+    public const INDEX_BTREE = 'BTREE';
+    public const INDEX_HASH = 'HASH';
+
+    /* MySQL */
+    public const INDEX_FULLTEXT = 'FULLTEXT';
+    public const INDEX_SPATIAL = 'SPATIAL';
+
+    /* PostgreSQL */
+    public const INDEX_GIST = 'GIST';
+    public const INDEX_GIN = 'GIN';
+    public const INDEX_BRIN = 'BRIN';
+
+    /* MS SQL */
+    public const INDEX_CLUSTERED = 'CLUSTERED';
+    public const INDEX_NONCLUSTERED = 'NONCLUSTERED';
+
+    /* Oracle */
+    public const INDEX_BITMAP = 'BITMAP';
 
     public const TYPE_PK = 'pk';
     public const TYPE_UPK = 'upk';
@@ -47,6 +74,7 @@ interface SchemaInterface extends ConstraintSchemaInterface
     public const TYPE_BOOLEAN = 'boolean';
     public const TYPE_MONEY = 'money';
     public const TYPE_JSON = 'json';
+    public const TYPE_JSONB = 'jsonb';
 
     public const PHP_TYPE_INTEGER = 'integer';
     public const PHP_TYPE_STRING = 'string';
diff --git a/tests/AbstractQueryBuilderTest.php b/tests/AbstractQueryBuilderTest.php
index ab05fe4c7..f09ad5502 100644
--- a/tests/AbstractQueryBuilderTest.php
+++ b/tests/AbstractQueryBuilderTest.php
@@ -51,13 +51,13 @@ public function testAddColumn(): void
 
         $qb = $db->getQueryBuilder();
         $schema = $db->getSchema();
-        $sql = $qb->addColumn('table', 'column', $schema::TYPE_STRING);
+        $sql = $qb->addColumn('table', 'column', SchemaInterface::TYPE_STRING);
 
         $this->assertSame(
             DbHelper::replaceQuotes(
                 <<<SQL
                 ALTER TABLE [[table]] ADD [[column]]
-                SQL . ' ' . $qb->getColumnType($schema::TYPE_STRING),
+                SQL . ' ' . $qb->getColumnType(SchemaInterface::TYPE_STRING),
                 $db->getName(),
             ),
             $sql,
@@ -171,13 +171,13 @@ public function testAlterColumn(): void
 
         $qb = $db->getQueryBuilder();
         $schema = $db->getSchema();
-        $sql = $qb->alterColumn('customer', 'email', $schema::TYPE_STRING);
+        $sql = $qb->alterColumn('customer', 'email', SchemaInterface::TYPE_STRING);
 
         $this->assertSame(
             DbHelper::replaceQuotes(
                 <<<SQL
                 ALTER TABLE [[customer]] CHANGE [[email]] [[email]]
-                SQL . ' ' . $qb->getColumnType($schema::TYPE_STRING),
+                SQL . ' ' . $qb->getColumnType(SchemaInterface::TYPE_STRING),
                 $db->getName(),
             ),
             $sql,
diff --git a/tests/AbstractQueryTest.php b/tests/AbstractQueryTest.php
index 0ce1b8ebf..cbbe7d49a 100644
--- a/tests/AbstractQueryTest.php
+++ b/tests/AbstractQueryTest.php
@@ -820,8 +820,15 @@ public function testPopulateWithIncorrectIndexByWithObject(Closure|string|null $
 
         $rows = json_decode(json_encode($rows));
 
-        $this->expectWarning();
+        set_error_handler(static function (int $errno, string $errstr) {
+            throw new \Exception('E_WARNING: ' . $errstr, $errno);
+        }, E_WARNING);
+
+        $this->expectExceptionMessageMatches('/^E_WARNING: /');
+
         $query->populate($rows);
+
+        restore_error_handler();
     }
 
     public function populateProviderWithIndexBy(): array
diff --git a/tests/Common/CommonSchemaTest.php b/tests/Common/CommonSchemaTest.php
index 31da7772c..4825affe8 100644
--- a/tests/Common/CommonSchemaTest.php
+++ b/tests/Common/CommonSchemaTest.php
@@ -17,7 +17,6 @@
 use Yiisoft\Db\Exception\InvalidCallException;
 use Yiisoft\Db\Exception\InvalidConfigException;
 use Yiisoft\Db\Exception\NotSupportedException;
-use Yiisoft\Db\QueryBuilder\QueryBuilderInterface;
 use Yiisoft\Db\Schema\SchemaInterface;
 use Yiisoft\Db\Schema\TableSchemaInterface;
 use Yiisoft\Db\Tests\AbstractSchemaTest;
@@ -140,7 +139,7 @@ public function testFindUniquesIndexes(): void
             'somecolUnique',
             'uniqueIndex',
             'somecol',
-            QueryBuilderInterface::INDEX_UNIQUE,
+            SchemaInterface::INDEX_UNIQUE,
         )->execute();
         $tableSchema = $schema->getTableSchema('uniqueIndex', true);
 
@@ -159,7 +158,7 @@ public function testFindUniquesIndexes(): void
             'someCol2Unique',
             'uniqueIndex',
             'someCol2',
-            QueryBuilderInterface::INDEX_UNIQUE,
+            SchemaInterface::INDEX_UNIQUE,
         )->execute();
         $tableSchema = $schema->getTableSchema('uniqueIndex', true);
 
@@ -174,7 +173,7 @@ public function testFindUniquesIndexes(): void
             'another unique index',
             'uniqueIndex',
             'someCol3',
-            QueryBuilderInterface::INDEX_UNIQUE,
+            SchemaInterface::INDEX_UNIQUE,
         )->execute();
         $tableSchema = $schema->getTableSchema('uniqueIndex', true);
 
diff --git a/tests/Provider/AbstractCommandProvider.php b/tests/Provider/AbstractCommandProvider.php
index 5095e0bcc..fcb4b4e74 100644
--- a/tests/Provider/AbstractCommandProvider.php
+++ b/tests/Provider/AbstractCommandProvider.php
@@ -6,7 +6,7 @@
 
 use Yiisoft\Db\Expression\Expression;
 use Yiisoft\Db\Query\Query;
-use Yiisoft\Db\QueryBuilder\QueryBuilderInterface;
+use Yiisoft\Db\Schema\SchemaInterface;
 use Yiisoft\Db\Tests\Support\DbHelper;
 use Yiisoft\Db\Tests\Support\TestTrait;
 
@@ -350,7 +350,7 @@ public function createIndex(): array
     {
         return [
             ['{{test_idx_constraint_1}}', '{{test_idx}}', 'int1', null, null],
-            ['{{test_idx_constraint_2}}', '{{test_idx}}', ['int1'], QueryBuilderInterface::INDEX_UNIQUE, null],
+            ['{{test_idx_constraint_2}}', '{{test_idx}}', ['int1'], SchemaInterface::INDEX_UNIQUE, null],
             ['{{test_idx_constraint_3}}', '{{test_idx}}', ['int1', 'int2'], null, null],
         ];
     }
@@ -388,7 +388,7 @@ public function createIndexSql(): array
                 '{{name}}',
                 '{{table}}',
                 ['column1', 'column2'],
-                QueryBuilderInterface::INDEX_UNIQUE,
+                SchemaInterface::INDEX_UNIQUE,
                 '',
                 DbHelper::replaceQuotes(
                     <<<SQL
diff --git a/tests/Provider/AbstractQueryBuilderProvider.php b/tests/Provider/AbstractQueryBuilderProvider.php
index f3969ddbb..1a9b474e5 100644
--- a/tests/Provider/AbstractQueryBuilderProvider.php
+++ b/tests/Provider/AbstractQueryBuilderProvider.php
@@ -10,6 +10,7 @@
 use Yiisoft\Db\QueryBuilder\Condition\InCondition;
 use Yiisoft\Db\QueryBuilder\Condition\LikeCondition;
 use Yiisoft\Db\QueryBuilder\QueryBuilderInterface;
+use Yiisoft\Db\Schema\SchemaInterface;
 use Yiisoft\Db\Tests\Support\DbHelper;
 use Yiisoft\Db\Tests\Support\TestTrait;
 use Yiisoft\Db\Tests\Support\TraversableObject;
@@ -867,7 +868,7 @@ public function createIndex(): array
                     $name1,
                     $tableName,
                     'C_index_1',
-                    QueryBuilderInterface::INDEX_UNIQUE,
+                    SchemaInterface::INDEX_UNIQUE,
                 ),
             ],
             'create unique (2 columns)' => [
@@ -878,7 +879,7 @@ public function createIndex(): array
                     $name2,
                     $tableName,
                     'C_index_2_1, C_index_2_2',
-                    QueryBuilderInterface::INDEX_UNIQUE,
+                    SchemaInterface::INDEX_UNIQUE,
                 ),
             ],
         ];
diff --git a/tests/Provider/AbstractSchemaProvider.php b/tests/Provider/AbstractSchemaProvider.php
index 8e7a957fc..e29043b84 100644
--- a/tests/Provider/AbstractSchemaProvider.php
+++ b/tests/Provider/AbstractSchemaProvider.php
@@ -9,7 +9,6 @@
 use Yiisoft\Db\Constraint\Constraint;
 use Yiisoft\Db\Constraint\ForeignKeyConstraint;
 use Yiisoft\Db\Constraint\IndexConstraint;
-use Yiisoft\Db\QueryBuilder\QueryBuilderInterface;
 use Yiisoft\Db\Schema\SchemaInterface;
 use Yiisoft\Db\Tests\Support\AnyValue;
 
@@ -200,7 +199,7 @@ public function withIndexDataProvider(): array
     {
         return [
             [
-                'indexType' => QueryBuilderInterface::INDEX_UNIQUE,
+                'indexType' => SchemaInterface::INDEX_UNIQUE,
                 'indexMethod' => null,
                 'columnType' => null,
                 'isPrimary' => false,