diff --git a/CHANGELOG.md b/CHANGELOG.md
index dfd63bfa1..6a395afc9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,6 +19,11 @@
 - Enh #795: Allow to use `DMLQueryBuilderInterface::batchInsert()` method with empty columns (@Tigrov)
 - Enh #794: Add message type to log context (@darkdef)
 - Enh #802: Minor refactoring of `SchemaCache`, `AbstractPdoCommand` and `AbstractDDLQueryBuilder` (@Tigrov)
+- Enh #801: Deprecate `AbstractSchema::normalizeRowKeyCase()` method (@Tigrov)
+- Enh #801: Deprecate `SchemaInterface::getRawTableName()` and add `Quoter::getRawTableName()` method (@Tigrov)
+- Enh #801: Deprecate `SchemaInterface::isReadQuery()` and add `DbStringHelper::isReadQuery()` method (@Tigrov)
+- Enh #801: Remove unnecessary symbol `\\` from `rtrim()` function inside `DbStringHelper::baseName()` method (@Tigrov)
+- Bug #801: Fix bug with `Quoter::$tablePrefix` when change `AbstractConnection::$tablePrefix` property (@Tigrov)
 
 ## 1.2.0 November 12, 2023
 
diff --git a/src/Driver/Pdo/AbstractPdoConnection.php b/src/Driver/Pdo/AbstractPdoConnection.php
index 477c4b5dc..f6895545d 100644
--- a/src/Driver/Pdo/AbstractPdoConnection.php
+++ b/src/Driver/Pdo/AbstractPdoConnection.php
@@ -25,6 +25,7 @@
 
 use function array_keys;
 use function is_string;
+use function method_exists;
 
 /**
  * Represents a connection to a database using the PDO (PHP Data Objects) extension.
@@ -198,6 +199,14 @@ public function setEmulatePrepare(bool $value): void
         $this->emulatePrepare = $value;
     }
 
+    public function setTablePrefix(string $value): void
+    {
+        parent::setTablePrefix($value);
+        if ($this->quoter !== null && method_exists($this->quoter, 'setTablePrefix')) {
+            $this->quoter->setTablePrefix($value);
+        }
+    }
+
     /**
      * Initializes the DB connection.
      *
diff --git a/src/Helper/DbStringHelper.php b/src/Helper/DbStringHelper.php
index 2fee97efc..58da98279 100644
--- a/src/Helper/DbStringHelper.php
+++ b/src/Helper/DbStringHelper.php
@@ -9,6 +9,7 @@
 use function mb_strrpos;
 use function mb_strtolower;
 use function mb_substr;
+use function preg_match;
 use function preg_replace;
 use function rtrim;
 use function str_replace;
@@ -38,7 +39,7 @@ final class DbStringHelper
      */
     public static function baseName(string $path): string
     {
-        $path = rtrim(str_replace('\\', '/', $path), '/\\');
+        $path = rtrim(str_replace('\\', '/', $path), '/');
         $position = mb_strrpos($path, '/');
 
         if ($position !== false) {
@@ -48,6 +49,20 @@ public static function baseName(string $path): string
         return $path;
     }
 
+    /**
+     * Returns a value indicating whether an SQL statement is for read purpose.
+     *
+     * @param string $sql The SQL statement.
+     *
+     * @return bool Whether an SQL statement is for read purpose.
+     */
+    public static function isReadQuery(string $sql): bool
+    {
+        $pattern = '/^\s*(SELECT|SHOW|DESCRIBE)\b/i';
+
+        return preg_match($pattern, $sql) === 1;
+    }
+
     /**
      * Returns string representation of a number value without a thousand separators and with dot as decimal separator.
      *
diff --git a/src/Schema/AbstractSchema.php b/src/Schema/AbstractSchema.php
index f9f39e400..7e13c88f0 100644
--- a/src/Schema/AbstractSchema.php
+++ b/src/Schema/AbstractSchema.php
@@ -144,6 +144,7 @@ public function getDataType(mixed $data): int
         };
     }
 
+    /** @deprecated Use {@see Quoter::getRawTableName()}. Will be removed in version 2.0.0. */
     public function getRawTableName(string $name): string
     {
         if (str_contains($name, '{{')) {
@@ -315,6 +316,7 @@ public function getTableUniques(string $name, bool $refresh = false): array
         return is_array($tableUniques) ? $tableUniques : [];
     }
 
+    /** @deprecated Use {@see DbStringHelper::isReadQuery()}. Will be removed in version 2.0.0. */
     public function isReadQuery(string $sql): bool
     {
         $pattern = '/^\s*(SELECT|SHOW|DESCRIBE)\b/i';
@@ -340,6 +342,7 @@ public function refresh(): void
      */
     public function refreshTableSchema(string $name): void
     {
+        /** @psalm-suppress DeprecatedMethod */
         $rawName = $this->getRawTableName($name);
 
         unset($this->tableMetadata[$rawName]);
@@ -470,6 +473,7 @@ protected function getSchemaMetadata(string $schema, string $type, bool $refresh
      */
     protected function getTableMetadata(string $name, string $type, bool $refresh = false): mixed
     {
+        /** @psalm-suppress DeprecatedMethod */
         $rawName = $this->getRawTableName($name);
 
         if (!isset($this->tableMetadata[$rawName])) {
@@ -532,6 +536,9 @@ protected function getTableTypeMetadata(
      * @param bool $multiple Whether many rows or a single row passed.
      *
      * @return array The normalized row or rows.
+     *
+     * @deprecated Use `array_change_key_case($row)` or `array_map('array_change_key_case', $row)`.
+     * Will be removed in version 2.0.0.
      */
     protected function normalizeRowKeyCase(array $row, bool $multiple): array
     {
@@ -567,7 +574,10 @@ protected function resolveTableName(string $name): TableSchemaInterface
      */
     protected function setTableMetadata(string $name, string $type, mixed $data): void
     {
-        /** @psalm-suppress MixedArrayAssignment  */
+        /**
+         * @psalm-suppress MixedArrayAssignment
+         * @psalm-suppress DeprecatedMethod
+         */
         $this->tableMetadata[$this->getRawTableName($name)][$type] = $data;
     }
 
diff --git a/src/Schema/Quoter.php b/src/Schema/Quoter.php
index 1f8aef970..8314c1499 100644
--- a/src/Schema/Quoter.php
+++ b/src/Schema/Quoter.php
@@ -83,6 +83,27 @@ public function cleanUpTableNames(array $tableNames): array
         return $cleanedUpTableNames;
     }
 
+    /**
+     * Returns the actual name of a given table name.
+     *
+     * This method will strip off curly brackets from the given table name and replace the percentage character '%' with
+     * {@see ConnectionInterface::tablePrefix}.
+     *
+     * @param string $name The table name to convert.
+     *
+     * @return string The real name of the given table name.
+     */
+    public function getRawTableName(string $name): string
+    {
+        if (str_contains($name, '{{')) {
+            $name = preg_replace('/{{(.*?)}}/', '\1', $name);
+
+            return str_replace('%', $this->tablePrefix, $name);
+        }
+
+        return $name;
+    }
+
     public function getTableNameParts(string $name, bool $withColumn = false): array
     {
         $parts = array_slice(explode('.', $name), -2, 2);
@@ -204,6 +225,11 @@ public function quoteValue(mixed $value): mixed
         return "'" . str_replace("'", "''", addcslashes($value, "\000\032")) . "'";
     }
 
+    public function setTablePrefix(string $value): void
+    {
+        $this->tablePrefix = $value;
+    }
+
     public function unquoteSimpleColumnName(string $name): string
     {
         if (is_string($this->columnQuoteCharacter)) {
diff --git a/src/Schema/SchemaInterface.php b/src/Schema/SchemaInterface.php
index 5bfa909a0..744ebc555 100644
--- a/src/Schema/SchemaInterface.php
+++ b/src/Schema/SchemaInterface.php
@@ -284,6 +284,8 @@ public function getDataType(mixed $data): int;
      * @param string $name The table name to convert.
      *
      * @return string The real name of the given table name.
+     *
+     * @deprecated Use {@see Quoter::getRawTableName()}. Will be removed in version 2.0.0.
      */
     public function getRawTableName(string $name): string;
 
@@ -367,6 +369,8 @@ public function getTableSchemas(string $schema = '', bool $refresh = false): arr
      * @param string $sql The SQL statement.
      *
      * @return bool Whether an SQL statement is for read purpose.
+     *
+     * @deprecated Use {@see DbStringHelper::isReadQuery()}. Will be removed in version 2.0.0.
      */
     public function isReadQuery(string $sql): bool;
 
diff --git a/tests/AbstractQuoterTest.php b/tests/AbstractQuoterTest.php
index a5bd9c921..e98a3ab07 100644
--- a/tests/AbstractQuoterTest.php
+++ b/tests/AbstractQuoterTest.php
@@ -31,6 +31,18 @@ public function testEnsureNameQuoted(string $name, string $expected): void
         $this->assertSame($expected, $db->getQuoter()->ensureNameQuoted($name));
     }
 
+    /**
+     * @dataProvider \Yiisoft\Db\Tests\Provider\QuoterProvider::rawTableNames
+     */
+    public function testGetRawTableName(string $tableName, string $expected, string $tablePrefix = ''): void
+    {
+        $db = $this->getConnection();
+
+        $db->setTablePrefix($tablePrefix);
+
+        $this->assertSame($expected, $db->getQuoter()->getRawTableName($tableName));
+    }
+
     /**
      * @dataProvider \Yiisoft\Db\Tests\Provider\QuoterProvider::tableNameParts
      */
diff --git a/tests/AbstractSchemaTest.php b/tests/AbstractSchemaTest.php
index e868a1a60..3059e606f 100644
--- a/tests/AbstractSchemaTest.php
+++ b/tests/AbstractSchemaTest.php
@@ -74,18 +74,6 @@ public function testGetDataType(): void
         fclose($fp);
     }
 
-    public function testIsReadQuery(): void
-    {
-        $db = $this->getConnection();
-
-        $schema = $db->getSchema();
-
-        $this->assertTrue($schema->isReadQuery('SELECT * FROM tbl'));
-        $this->assertTrue($schema->isReadQuery('SELECT * FROM tbl WHERE id=1'));
-        $this->assertTrue($schema->isReadQuery('SELECT * FROM tbl WHERE id=1 LIMIT 1'));
-        $this->assertTrue($schema->isReadQuery('SELECT * FROM tbl WHERE id=1 LIMIT 1 OFFSET 1'));
-    }
-
     public function testRefresh(): void
     {
         $db = $this->getConnection();
diff --git a/tests/Db/Helper/DbStringHelperTest.php b/tests/Db/Helper/DbStringHelperTest.php
index bdb69235b..fb522edcb 100644
--- a/tests/Db/Helper/DbStringHelperTest.php
+++ b/tests/Db/Helper/DbStringHelperTest.php
@@ -18,6 +18,14 @@ public function testBaseName(): void
         $this->assertSame('TestCase', DbStringHelper::baseName('TestCase'));
     }
 
+    public function testIsReadQuery(): void
+    {
+        $this->assertTrue(DbStringHelper::isReadQuery('SELECT * FROM tbl'));
+        $this->assertTrue(DbStringHelper::isReadQuery('SELECT * FROM tbl WHERE id=1'));
+        $this->assertTrue(DbStringHelper::isReadQuery('SELECT * FROM tbl WHERE id=1 LIMIT 1'));
+        $this->assertTrue(DbStringHelper::isReadQuery('SELECT * FROM tbl WHERE id=1 LIMIT 1 OFFSET 1'));
+    }
+
     public static function pascalCaseToIdProvider(): array
     {
         return [
diff --git a/tests/Provider/QuoterProvider.php b/tests/Provider/QuoterProvider.php
index 74808f2fa..db6181d74 100644
--- a/tests/Provider/QuoterProvider.php
+++ b/tests/Provider/QuoterProvider.php
@@ -75,6 +75,22 @@ public static function simpleTableNames(): array
         ];
     }
 
+    /**
+     * @return string[][]
+     */
+    public static function rawTableNames(): array
+    {
+        return [
+            ['table', 'table'],
+            ['"table"', '"table"'],
+            ['public.table', 'public.table'],
+            ['{{table}}', 'table'],
+            ['{{public}}.{{table}}', 'public.table'],
+            ['{{%table}}', 'yii_table', 'yii_'],
+            ['{{public}}.{{%table}}', 'public.yii_table', 'yii_'],
+        ];
+    }
+
     /**
      * @return string[][]
      */