diff --git a/src/Platforms/SQLServerPlatform.php b/src/Platforms/SQLServerPlatform.php
index 16d7bd4e73..eed1cbab4d 100644
--- a/src/Platforms/SQLServerPlatform.php
+++ b/src/Platforms/SQLServerPlatform.php
@@ -38,6 +38,7 @@
 use function preg_match;
 use function preg_match_all;
 use function sprintf;
+use function str_contains;
 use function str_ends_with;
 use function str_replace;
 use function str_starts_with;
@@ -1777,11 +1778,17 @@ private function generateIdentifierName($identifier): string
 
     protected function getCommentOnTableSQL(string $tableName, ?string $comment): string
     {
+        if (str_contains($tableName, '.')) {
+            [$schemaName, $tableName] = explode('.', $tableName);
+        } else {
+            $schemaName = 'dbo';
+        }
+
         return $this->getAddExtendedPropertySQL(
             'MS_Description',
             $comment,
             'SCHEMA',
-            $this->quoteStringLiteral('dbo'),
+            $this->quoteStringLiteral($schemaName),
             'TABLE',
             $this->quoteStringLiteral($this->unquoteSingleIdentifier($tableName)),
         );
diff --git a/src/Schema/PostgreSQLSchemaManager.php b/src/Schema/PostgreSQLSchemaManager.php
index bfa9a182db..716d5da576 100644
--- a/src/Schema/PostgreSQLSchemaManager.php
+++ b/src/Schema/PostgreSQLSchemaManager.php
@@ -733,7 +733,8 @@ protected function selectForeignKeyColumns(string $databaseName, ?string $tableN
     protected function fetchTableOptionsByTable(string $databaseName, ?string $tableName = null): array
     {
         $sql = <<<'SQL'
-SELECT c.relname,
+SELECT n.nspname AS schema_name,
+       c.relname AS table_name,
        CASE c.relpersistence WHEN 'u' THEN true ELSE false END as unlogged,
        obj_description(c.oid, 'pg_class') AS comment
 FROM pg_class c
@@ -745,7 +746,12 @@ protected function fetchTableOptionsByTable(string $databaseName, ?string $table
 
         $sql .= ' WHERE ' . implode(' AND ', $conditions);
 
-        return $this->_conn->fetchAllAssociativeIndexed($sql);
+        $tableOptions = [];
+        foreach ($this->_conn->iterateAssociative($sql) as $row) {
+            $tableOptions[$this->_getPortableTableDefinition($row)] = $row;
+        }
+
+        return $tableOptions;
     }
 
     /**
diff --git a/src/Schema/SQLServerSchemaManager.php b/src/Schema/SQLServerSchemaManager.php
index acef511abe..a46e552147 100644
--- a/src/Schema/SQLServerSchemaManager.php
+++ b/src/Schema/SQLServerSchemaManager.php
@@ -227,9 +227,15 @@ protected function _getPortableTableForeignKeysList($tableForeignKeys)
             $name = $tableForeignKey['ForeignKey'];
 
             if (! isset($foreignKeys[$name])) {
+                $referencedTableName = $tableForeignKey['ReferenceTableName'];
+
+                if ($tableForeignKey['ReferenceSchemaName'] !== 'dbo') {
+                    $referencedTableName = $tableForeignKey['ReferenceSchemaName'] . '.' . $referencedTableName;
+                }
+
                 $foreignKeys[$name] = [
                     'local_columns' => [$tableForeignKey['ColumnName']],
-                    'foreign_table' => $tableForeignKey['ReferenceTableName'],
+                    'foreign_table' => $referencedTableName,
                     'foreign_columns' => [$tableForeignKey['ReferenceColumnName']],
                     'name' => $name,
                     'options' => [
@@ -556,31 +562,29 @@ protected function fetchTableOptionsByTable(string $databaseName, ?string $table
     {
         $sql = <<<'SQL'
           SELECT
-            tbl.name,
+            scm.name AS schema_name,
+            tbl.name AS table_name,
             p.value AS [table_comment]
           FROM
             sys.tables AS tbl
+            JOIN sys.schemas AS scm
+              ON tbl.schema_id = scm.schema_id
             INNER JOIN sys.extended_properties AS p ON p.major_id=tbl.object_id AND p.minor_id=0 AND p.class=1
 SQL;
 
-        $conditions = ["SCHEMA_NAME(tbl.schema_id) = N'dbo'", "p.name = N'MS_Description'"];
-        $params     = [];
+        $conditions = ["p.name = N'MS_Description'"];
 
         if ($tableName !== null) {
-            $conditions[] = "tbl.name = N'" . $tableName . "'";
+            $conditions[] = $this->getTableWhereClause($tableName, 'scm.name', 'tbl.name');
         }
 
         $sql .= ' WHERE ' . implode(' AND ', $conditions);
 
-        /** @var array<string,array<string,mixed>> $metadata */
-        $metadata = $this->_conn->executeQuery($sql, $params)
-            ->fetchAllAssociativeIndexed();
-
         $tableOptions = [];
-        foreach ($metadata as $table => $data) {
+        foreach ($this->_conn->iterateAssociative($sql) as $data) {
             $data = array_change_key_case($data, CASE_LOWER);
 
-            $tableOptions[$table] = [
+            $tableOptions[$this->_getPortableTableDefinition($data)] = [
                 'comment' => $data['table_comment'],
             ];
         }
diff --git a/tests/Functional/Schema/PostgreSQLSchemaManagerTest.php b/tests/Functional/Schema/PostgreSQLSchemaManagerTest.php
index a98bf4d08b..2695b0a31c 100644
--- a/tests/Functional/Schema/PostgreSQLSchemaManagerTest.php
+++ b/tests/Functional/Schema/PostgreSQLSchemaManagerTest.php
@@ -25,7 +25,6 @@
 
 use function array_map;
 use function array_merge;
-use function array_pop;
 use function array_unshift;
 use function assert;
 use function count;
@@ -163,44 +162,6 @@ public function testAlterTableAutoIncrementDrop(callable $comparatorFactory): vo
         self::assertFalse($tableFinal->getColumn('id')->getAutoincrement());
     }
 
-    public function testTableWithSchema(): void
-    {
-        $this->connection->executeStatement('CREATE SCHEMA nested');
-
-        $nestedRelatedTable = new Table('nested.schemarelated');
-        $column             = $nestedRelatedTable->addColumn('id', Types::INTEGER);
-        $column->setAutoincrement(true);
-        $nestedRelatedTable->setPrimaryKey(['id']);
-
-        $nestedSchemaTable = new Table('nested.schematable');
-        $column            = $nestedSchemaTable->addColumn('id', Types::INTEGER);
-        $column->setAutoincrement(true);
-        $nestedSchemaTable->setPrimaryKey(['id']);
-        $nestedSchemaTable->addForeignKeyConstraint($nestedRelatedTable, ['id'], ['id']);
-
-        $this->schemaManager->createTable($nestedRelatedTable);
-        $this->schemaManager->createTable($nestedSchemaTable);
-
-        $tableNames = $this->schemaManager->listTableNames();
-        self::assertContains('nested.schematable', $tableNames);
-
-        $tables = $this->schemaManager->listTables();
-        self::assertNotNull($this->findTableByName($tables, 'nested.schematable'));
-
-        $nestedSchemaTable = $this->schemaManager->introspectTable('nested.schematable');
-        self::assertTrue($nestedSchemaTable->hasColumn('id'));
-
-        $primaryKey = $nestedSchemaTable->getPrimaryKey();
-
-        self::assertNotNull($primaryKey);
-        self::assertEquals(['id'], $primaryKey->getColumns());
-
-        $relatedFks = $nestedSchemaTable->getForeignKeys();
-        self::assertCount(1, $relatedFks);
-        $relatedFk = array_pop($relatedFks);
-        self::assertEquals('nested.schemarelated', $relatedFk->getForeignTableName());
-    }
-
     public function testListSameTableNameColumnsWithDifferentSchema(): void
     {
         $this->connection->executeStatement('CREATE SCHEMA another');
diff --git a/tests/Functional/Schema/SchemaManagerFunctionalTestCase.php b/tests/Functional/Schema/SchemaManagerFunctionalTestCase.php
index 1e4ec5ab76..1eebf4be95 100644
--- a/tests/Functional/Schema/SchemaManagerFunctionalTestCase.php
+++ b/tests/Functional/Schema/SchemaManagerFunctionalTestCase.php
@@ -1905,6 +1905,49 @@ protected function findTableByName(array $tables, string $name): ?Table
 
         return null;
     }
+
+    public function testTableWithSchema(): void
+    {
+        if (! $this->connection->getDatabasePlatform()->supportsSchemas()) {
+            self::markTestSkipped('The currently used database platform does not support schemas.');
+        }
+
+        $this->connection->executeStatement('CREATE SCHEMA nested');
+
+        $nestedRelatedTable = new Table('nested.schemarelated');
+        $column             = $nestedRelatedTable->addColumn('id', Types::INTEGER);
+        $column->setAutoincrement(true);
+        $nestedRelatedTable->setPrimaryKey(['id']);
+
+        $nestedSchemaTable = new Table('nested.schematable');
+        $column            = $nestedSchemaTable->addColumn('id', Types::INTEGER);
+        $column->setAutoincrement(true);
+        $nestedSchemaTable->setPrimaryKey(['id']);
+        $nestedSchemaTable->addForeignKeyConstraint($nestedRelatedTable->getName(), ['id'], ['id']);
+        $nestedSchemaTable->setComment('This is a comment');
+
+        $this->schemaManager->createTable($nestedRelatedTable);
+        $this->schemaManager->createTable($nestedSchemaTable);
+
+        $tableNames = $this->schemaManager->listTableNames();
+        self::assertContains('nested.schematable', $tableNames);
+
+        $tables = $this->schemaManager->listTables();
+        self::assertNotNull($this->findTableByName($tables, 'nested.schematable'));
+
+        $nestedSchemaTable = $this->schemaManager->introspectTable('nested.schematable');
+        self::assertTrue($nestedSchemaTable->hasColumn('id'));
+
+        $primaryKey = $nestedSchemaTable->getPrimaryKey();
+        self::assertNotNull($primaryKey);
+        self::assertEquals(['id'], $primaryKey->getColumns());
+
+        $relatedFks = array_values($nestedSchemaTable->getForeignKeys());
+        self::assertCount(1, $relatedFks);
+        $relatedFk = $relatedFks[0];
+        self::assertEquals('nested.schemarelated', $relatedFk->getForeignTableName());
+        self::assertEquals('This is a comment', $nestedSchemaTable->getComment());
+    }
 }
 
 interface ListTableColumnsDispatchEventListener