diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9874d896..f9ba7d0d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -41,6 +41,7 @@
 - Enh #313: Refactor according changes in `db` package (@Tigrov)
 - New #311: Add `caseSensitive` option to like condition (@vjik)
 - Enh #315: Remove `getCacheKey()` and `getCacheTag()` methods from `Schema` class (@Tigrov)
+- Enh #319: Support `boolean` type (@Tigrov)
 - Enh #318, #320: Use `DbArrayHelper::arrange()` instead of `DbArrayHelper::index()` method (@Tigrov)
 
 ## 1.3.0 March 21, 2024
diff --git a/src/Column/BooleanColumn.php b/src/Column/BooleanColumn.php
new file mode 100644
index 00000000..4d036aad
--- /dev/null
+++ b/src/Column/BooleanColumn.php
@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yiisoft\Db\Oracle\Column;
+
+use Yiisoft\Db\Constant\ColumnType;
+use Yiisoft\Db\Constant\PhpType;
+use Yiisoft\Db\Expression\ExpressionInterface;
+use Yiisoft\Db\Schema\Column\AbstractColumn;
+
+final class BooleanColumn extends AbstractColumn
+{
+    protected const DEFAULT_TYPE = ColumnType::BOOLEAN;
+
+    public function dbTypecast(mixed $value): string|ExpressionInterface|null
+    {
+        return match ($value) {
+            true => '1',
+            false => '0',
+            null, '' => null,
+            default => $value instanceof ExpressionInterface ? $value : ($value ? '1' : '0'),
+        };
+    }
+
+    /** @psalm-mutation-free */
+    public function getPhpType(): string
+    {
+        return PhpType::BOOL;
+    }
+
+    public function phpTypecast(mixed $value): bool|null
+    {
+        if ($value === null) {
+            return null;
+        }
+
+        return $value && $value !== "\0";
+    }
+}
diff --git a/src/Column/ColumnBuilder.php b/src/Column/ColumnBuilder.php
index c48c3e81..9fb6eeb4 100644
--- a/src/Column/ColumnBuilder.php
+++ b/src/Column/ColumnBuilder.php
@@ -13,6 +13,11 @@ public static function binary(int|null $size = null): BinaryColumn
         return new BinaryColumn(ColumnType::BINARY, size: $size);
     }
 
+    public static function boolean(): BooleanColumn
+    {
+        return new BooleanColumn(ColumnType::BOOLEAN);
+    }
+
     public static function json(): JsonColumn
     {
         return new JsonColumn(ColumnType::JSON);
diff --git a/src/Column/ColumnDefinitionBuilder.php b/src/Column/ColumnDefinitionBuilder.php
index 68e8e75e..550e07f6 100644
--- a/src/Column/ColumnDefinitionBuilder.php
+++ b/src/Column/ColumnDefinitionBuilder.php
@@ -56,13 +56,17 @@ protected function buildCheck(ColumnInterface $column): string
         if (empty($check)) {
             $name = $column->getName();
 
-            if (empty($name) || version_compare($this->queryBuilder->getServerInfo()->getVersion(), '21', '>=')) {
+            if (empty($name)) {
                 return '';
             }
 
             return match ($column->getType()) {
                 ColumnType::ARRAY, ColumnType::STRUCTURED, ColumnType::JSON =>
-                    ' CHECK (' . $this->queryBuilder->getQuoter()->quoteSimpleColumnName($name) . ' IS JSON)',
+                    version_compare($this->queryBuilder->getServerInfo()->getVersion(), '21', '<')
+                    ? ' CHECK (' . $this->queryBuilder->getQuoter()->quoteSimpleColumnName($name) . ' IS JSON)'
+                    : '',
+                ColumnType::BOOLEAN =>
+                    ' CHECK (' . $this->queryBuilder->getQuoter()->quoteSimpleColumnName($name) . ' IN (0,1))',
                 default => '',
             };
         }
@@ -94,7 +98,7 @@ protected function getDbType(ColumnInterface $column): string
         return match ($dbType) {
             default => $dbType,
             null => match ($column->getType()) {
-                ColumnType::BOOLEAN => 'number(1)',
+                ColumnType::BOOLEAN => 'char(1)',
                 ColumnType::BIT => match (true) {
                     $size === null => 'number(38)',
                     $size <= 126 => 'number(' . ceil(log10(2 ** $size)) . ')',
diff --git a/src/Column/ColumnFactory.php b/src/Column/ColumnFactory.php
index 7b675407..daea5003 100644
--- a/src/Column/ColumnFactory.php
+++ b/src/Column/ColumnFactory.php
@@ -65,8 +65,18 @@ protected function getType(string $dbType, array $info = []): string
             };
         }
 
-        if (isset($info['check'], $info['name']) && strcasecmp($info['check'], '"' . $info['name'] . '" is json') === 0) {
-            return ColumnType::JSON;
+        if (isset($info['check'], $info['name'])) {
+            if (strcasecmp($info['check'], '"' . $info['name'] . '" is json') === 0) {
+                return ColumnType::JSON;
+            }
+
+            if (isset($info['size'])
+                && $dbType === 'char'
+                && $info['size'] === 1
+                && strcasecmp($info['check'], '"' . $info['name'] . '" in (0,1)') === 0
+            ) {
+                return ColumnType::BOOLEAN;
+            }
         }
 
         if ($dbType === 'interval day to second' && isset($info['scale']) && $info['scale'] === 0) {
@@ -80,6 +90,7 @@ protected function getColumnClass(string $type, array $info = []): string
     {
         return match ($type) {
             ColumnType::BINARY => BinaryColumn::class,
+            ColumnType::BOOLEAN => BooleanColumn::class,
             ColumnType::JSON => JsonColumn::class,
             default => parent::getColumnClass($type, $info),
         };
diff --git a/src/QueryBuilder.php b/src/QueryBuilder.php
index 04bdb862..3bc6f400 100644
--- a/src/QueryBuilder.php
+++ b/src/QueryBuilder.php
@@ -15,6 +15,10 @@
  */
 final class QueryBuilder extends AbstractQueryBuilder
 {
+    protected const FALSE_VALUE = "'0'";
+
+    protected const TRUE_VALUE = "'1'";
+
     public function __construct(ConnectionInterface $db)
     {
         $quoter = $db->getQuoter();
diff --git a/tests/ColumnTest.php b/tests/ColumnTest.php
index be52ebe7..dc169137 100644
--- a/tests/ColumnTest.php
+++ b/tests/ColumnTest.php
@@ -5,10 +5,12 @@
 namespace Yiisoft\Db\Oracle\Tests;
 
 use PDO;
+use PHPUnit\Framework\Attributes\DataProviderExternal;
 use Yiisoft\Db\Command\Param;
 use Yiisoft\Db\Expression\Expression;
 use Yiisoft\Db\Oracle\Column\BinaryColumn;
 use Yiisoft\Db\Oracle\Column\JsonColumn;
+use Yiisoft\Db\Oracle\Tests\Provider\ColumnProvider;
 use Yiisoft\Db\Oracle\Tests\Support\TestTrait;
 use Yiisoft\Db\Query\Query;
 use Yiisoft\Db\Schema\Column\ColumnInterface;
@@ -106,12 +108,18 @@ public function testPredefinedType(string $className, string $type, string $phpT
         parent::testPredefinedType($className, $type, $phpType);
     }
 
-    /** @dataProvider \Yiisoft\Db\Oracle\Tests\Provider\ColumnProvider::dbTypecastColumns */
+    #[DataProviderExternal(ColumnProvider::class, 'dbTypecastColumns')]
     public function testDbTypecastColumns(ColumnInterface $column, array $values): void
     {
         parent::testDbTypecastColumns($column, $values);
     }
 
+    #[DataProviderExternal(ColumnProvider::class, 'phpTypecastColumns')]
+    public function testPhpTypecastColumns(ColumnInterface $column, array $values): void
+    {
+        parent::testPhpTypecastColumns($column, $values);
+    }
+
     public function testBinaryColumn(): void
     {
         $binaryCol = new BinaryColumn();
diff --git a/tests/Provider/ColumnBuilderProvider.php b/tests/Provider/ColumnBuilderProvider.php
index 3af84a01..13c4b9e9 100644
--- a/tests/Provider/ColumnBuilderProvider.php
+++ b/tests/Provider/ColumnBuilderProvider.php
@@ -5,6 +5,7 @@
 namespace Yiisoft\Db\Oracle\Tests\Provider;
 
 use Yiisoft\Db\Oracle\Column\BinaryColumn;
+use Yiisoft\Db\Oracle\Column\BooleanColumn;
 use Yiisoft\Db\Oracle\Column\JsonColumn;
 
 class ColumnBuilderProvider extends \Yiisoft\Db\Tests\Provider\ColumnBuilderProvider
@@ -15,6 +16,7 @@ public static function buildingMethods(): array
 
         $values['binary()'][2] = BinaryColumn::class;
         $values['binary(8)'][2] = BinaryColumn::class;
+        $values['boolean()'][2] = BooleanColumn::class;
         $values['json()'][2] = JsonColumn::class;
 
         return $values;
diff --git a/tests/Provider/ColumnFactoryProvider.php b/tests/Provider/ColumnFactoryProvider.php
index 30b4083b..cf660528 100644
--- a/tests/Provider/ColumnFactoryProvider.php
+++ b/tests/Provider/ColumnFactoryProvider.php
@@ -7,6 +7,7 @@
 use Yiisoft\Db\Constant\ColumnType;
 use Yiisoft\Db\Expression\Expression;
 use Yiisoft\Db\Oracle\Column\BinaryColumn;
+use Yiisoft\Db\Oracle\Column\BooleanColumn;
 use Yiisoft\Db\Oracle\Column\JsonColumn;
 use Yiisoft\Db\Schema\Column\ArrayColumn;
 use Yiisoft\Db\Schema\Column\BigIntColumn;
@@ -85,6 +86,8 @@ public static function types(): array
     {
         $types = parent::types();
 
+        $types['binary'][2] = BinaryColumn::class;
+        $types['boolean'][2] = BooleanColumn::class;
         $types['json'][2] = JsonColumn::class;
 
         return $types;
diff --git a/tests/Provider/ColumnProvider.php b/tests/Provider/ColumnProvider.php
index 44cd166f..df191cd3 100644
--- a/tests/Provider/ColumnProvider.php
+++ b/tests/Provider/ColumnProvider.php
@@ -4,7 +4,10 @@
 
 namespace Yiisoft\Db\Oracle\Tests\Provider;
 
+use Yiisoft\Db\Expression\Expression;
 use Yiisoft\Db\Oracle\Column\BinaryColumn;
+use Yiisoft\Db\Oracle\Column\BooleanColumn;
+use Yiisoft\Db\Oracle\Column\JsonColumn;
 
 class ColumnProvider extends \Yiisoft\Db\Tests\Provider\ColumnProvider
 {
@@ -12,6 +15,8 @@ public static function predefinedTypes(): array
     {
         $values = parent::predefinedTypes();
         $values['binary'][0] = BinaryColumn::class;
+        $values['boolean'][0] = BooleanColumn::class;
+        $values['json'][0] = JsonColumn::class;
 
         return $values;
     }
@@ -20,6 +25,33 @@ public static function dbTypecastColumns(): array
     {
         $values = parent::dbTypecastColumns();
         $values['binary'][0] = new BinaryColumn();
+        $values['boolean'] = [
+            new BooleanColumn(),
+            [
+                [null, null],
+                [null, ''],
+                ['1', true],
+                ['1', 1],
+                ['1', 1.0],
+                ['1', '1'],
+                ['0', false],
+                ['0', 0],
+                ['0', 0.0],
+                ['0', '0'],
+                [$expression = new Expression('expression'), $expression],
+            ],
+        ];
+        $values['json'][0] = new JsonColumn();
+
+        return $values;
+    }
+
+    public static function phpTypecastColumns(): array
+    {
+        $values = parent::phpTypecastColumns();
+        $values['binary'][0] = new BinaryColumn();
+        $values['boolean'][0] = new BooleanColumn();
+        $values['json'][0] = new JsonColumn();
 
         return $values;
     }
diff --git a/tests/Provider/CommandProvider.php b/tests/Provider/CommandProvider.php
index 22bdf794..85842e4c 100644
--- a/tests/Provider/CommandProvider.php
+++ b/tests/Provider/CommandProvider.php
@@ -99,6 +99,20 @@ public static function insertVarbinary(): array
         ];
     }
 
+    public static function rawSql(): array
+    {
+        $rawSql = parent::rawSql();
+
+        foreach ($rawSql as &$values) {
+            $values[2] = strtr($values[2], [
+                'FALSE' => "'0'",
+                'TRUE' => "'1'",
+            ]);
+        }
+
+        return $rawSql;
+    }
+
     public static function createIndex(): array
     {
         return [
diff --git a/tests/Provider/QueryBuilderProvider.php b/tests/Provider/QueryBuilderProvider.php
index 37d460f9..d88e2674 100644
--- a/tests/Provider/QueryBuilderProvider.php
+++ b/tests/Provider/QueryBuilderProvider.php
@@ -271,8 +271,8 @@ public static function buildColumnDefinition(): array
         $values['bigPrimaryKey(false)'][0] = 'number(20) PRIMARY KEY';
         $values['uuidPrimaryKey()'][0] = 'raw(16) DEFAULT sys_guid() PRIMARY KEY';
         $values['uuidPrimaryKey(false)'][0] = 'raw(16) PRIMARY KEY';
-        $values['boolean()'][0] = 'number(1)';
-        $values['boolean(100)'][0] = 'number(1)';
+        $values['boolean()'] = ['char(1) CHECK ("boolean_col" IN (0,1))', $values['boolean()'][1]->withName('boolean_col')];
+        $values['boolean(100)'] = ['char(1) CHECK ("boolean_100" IN (0,1))', $values['boolean(100)'][1]->withName('boolean_100')];
         $values['bit()'][0] = 'number(38)';
         $values['bit(1)'][0] = 'number(1)';
         $values['bit(8)'][0] = 'number(3)';
@@ -384,6 +384,8 @@ public static function prepareParam(): array
     {
         $values = parent::prepareParam();
 
+        $values['true'][0] = "'1'";
+        $values['false'][0] = "'0'";
         $values['binary'][0] = "HEXTORAW('737472696e67')";
 
         return $values;
@@ -393,6 +395,8 @@ public static function prepareValue(): array
     {
         $values = parent::prepareValue();
 
+        $values['true'][0] = "'1'";
+        $values['false'][0] = "'0'";
         $values['binary'][0] = "HEXTORAW('737472696e67')";
         $values['paramBinary'][0] = "HEXTORAW('737472696e67')";
 
diff --git a/tests/Provider/SchemaProvider.php b/tests/Provider/SchemaProvider.php
index ab8063cf..f54947a8 100644
--- a/tests/Provider/SchemaProvider.php
+++ b/tests/Provider/SchemaProvider.php
@@ -8,6 +8,7 @@
 use Yiisoft\Db\Constraint\CheckConstraint;
 use Yiisoft\Db\Expression\Expression;
 use Yiisoft\Db\Oracle\Column\BinaryColumn;
+use Yiisoft\Db\Oracle\Column\BooleanColumn;
 use Yiisoft\Db\Oracle\Column\JsonColumn;
 use Yiisoft\Db\Schema\Column\DoubleColumn;
 use Yiisoft\Db\Schema\Column\IntegerColumn;
@@ -102,19 +103,17 @@ public static function columns(): array
                         scale: 1,
                         defaultValue: new Expression("INTERVAL '2 04:56:12' DAY(1) TO SECOND(0)"),
                     ),
-                    'bool_col' => new StringColumn(
-                        ColumnType::CHAR,
+                    'bool_col' => new BooleanColumn(
                         dbType: 'char',
                         check: '"bool_col" in (0,1)',
                         notNull: true,
                         size: 1,
                     ),
-                    'bool_col2' => new StringColumn(
-                        ColumnType::CHAR,
+                    'bool_col2' => new BooleanColumn(
                         dbType: 'char',
                         check: '"bool_col2" in (0,1)',
                         size: 1,
-                        defaultValue: '1',
+                        defaultValue: true,
                     ),
                     'ts_default' => new StringColumn(
                         ColumnType::TIMESTAMP,