diff --git a/docs/en/README.md b/docs/en/README.md
index 4bd3edde4..7002fa3c0 100644
--- a/docs/en/README.md
+++ b/docs/en/README.md
@@ -19,7 +19,7 @@ Yii DB supports the following databases out of the box:
 - [MSSQL](https://www.microsoft.com/en-us/sql-server/sql-server-2019) of versions **2017, 2019, 2022**.
 - [MySQL](https://www.mysql.com/) of versions **5.7 - 8.0**.
 - [MariaDB](https://mariadb.org/) of versions **10.4 - 10.9**.
-- [Oracle](https://www.oracle.com/database/) of versions **18c - 21c**.
+- [Oracle](https://www.oracle.com/database/) of versions **12c - 21c**.
 - [PostgreSQL](https://www.postgresql.org/) of versions **9.6 - 15**. 
 - [SQLite](https://www.sqlite.org/index.html) of version **3.3 and above**.
 
diff --git a/tests/Provider/ColumnTypes.php b/tests/Provider/ColumnTypes.php
index 0c1ecfed3..8312298df 100644
--- a/tests/Provider/ColumnTypes.php
+++ b/tests/Provider/ColumnTypes.php
@@ -472,7 +472,7 @@ public function getColumnTypes(): array
                     'mysql' => 'int(11) NOT NULL AUTO_INCREMENT PRIMARY KEY CHECK (value > 5)',
                     'pgsql' => 'serial NOT NULL PRIMARY KEY CHECK (value > 5)',
                     'sqlite' => 'integer PRIMARY KEY AUTOINCREMENT NOT NULL CHECK (value > 5)',
-                    'oci' => 'NUMBER(10) NOT NULL PRIMARY KEY CHECK (value > 5)',
+                    'oci' => 'NUMBER(10) GENERATED BY DEFAULT AS IDENTITY NOT NULL PRIMARY KEY CHECK (value > 5)',
                     'sqlsrv' => 'int IDENTITY PRIMARY KEY CHECK (value > 5)',
                 ],
             ],
@@ -480,14 +480,14 @@ public function getColumnTypes(): array
                 SchemaInterface::TYPE_PK . '(8) CHECK (value > 5)',
                 [
                     'mysql' => 'int(8) NOT NULL AUTO_INCREMENT PRIMARY KEY CHECK (value > 5)',
-                    'oci' => 'NUMBER(8) NOT NULL PRIMARY KEY CHECK (value > 5)',
+                    'oci' => 'NUMBER(8) GENERATED BY DEFAULT AS IDENTITY NOT NULL PRIMARY KEY CHECK (value > 5)',
                 ],
             ],
             '$this->primaryKey(8)' => [
                 SchemaInterface::TYPE_PK . '(8)',
                 [
                     'mysql' => 'int(8) NOT NULL AUTO_INCREMENT PRIMARY KEY',
-                    'oci' => 'NUMBER(8) NOT NULL PRIMARY KEY',
+                    'oci' => 'NUMBER(8) GENERATED BY DEFAULT AS IDENTITY NOT NULL PRIMARY KEY',
                 ],
             ],
             '$this->primaryKey()' => [
@@ -496,7 +496,7 @@ public function getColumnTypes(): array
                     'mysql' => 'int(11) NOT NULL AUTO_INCREMENT PRIMARY KEY',
                     'pgsql' => 'serial NOT NULL PRIMARY KEY',
                     'sqlite' => 'integer PRIMARY KEY AUTOINCREMENT NOT NULL',
-                    'oci' => 'NUMBER(10) NOT NULL PRIMARY KEY',
+                    'oci' => 'NUMBER(10) GENERATED BY DEFAULT AS IDENTITY NOT NULL PRIMARY KEY',
                     'sqlsrv' => 'int IDENTITY PRIMARY KEY',
                 ],
             ],