diff --git a/frontend/src/lib/i18n/locales/en/datasets.json b/frontend/src/lib/i18n/locales/en/datasets.json
index 972e4b6b..90276794 100644
--- a/frontend/src/lib/i18n/locales/en/datasets.json
+++ b/frontend/src/lib/i18n/locales/en/datasets.json
@@ -80,5 +80,11 @@
   "start_mapping_tip": "Start mapping task for selected datasets",
   "cancel_tip": "Cancel and close",
   "llm_provider_tip": "Select LLM provider for documentation generation",
-  "start_docs_tip": "Start documentation generation for selected datasets"
+  "start_docs_tip": "Start documentation generation for selected datasets",
+  "sql_templates": "Templates",
+  "sql_template_info_schema": "information_schema",
+  "sql_template_custom": "Custom table",
+  "sql_template_clear": "Clear",
+  "sql_template_info_schema_tip": "Insert information_schema query template for column lookup",
+  "sql_template_custom_tip": "Insert custom mapping table query template"
 }
diff --git a/frontend/src/lib/i18n/locales/ru/datasets.json b/frontend/src/lib/i18n/locales/ru/datasets.json
index 96640082..c038ce21 100644
--- a/frontend/src/lib/i18n/locales/ru/datasets.json
+++ b/frontend/src/lib/i18n/locales/ru/datasets.json
@@ -80,5 +80,11 @@
   "start_mapping_tip": "Запустить задачу маппинга для выбранных датасетов",
   "cancel_tip": "Отменить и закрыть",
   "llm_provider_tip": "Выберите LLM-провайдера для генерации документации",
-  "start_docs_tip": "Запустить генерацию документации для выбранных датасетов"
+  "start_docs_tip": "Запустить генерацию документации для выбранных датасетов",
+  "sql_templates": "Шаблоны",
+  "sql_template_info_schema": "information_schema",
+  "sql_template_custom": "Кастомная таблица",
+  "sql_template_clear": "Очистить",
+  "sql_template_info_schema_tip": "Вставить шаблон запроса к information_schema для поиска колонок",
+  "sql_template_custom_tip": "Вставить шаблон запроса к кастомной таблице маппинга"
 }
diff --git a/frontend/src/routes/datasets/+page.svelte b/frontend/src/routes/datasets/+page.svelte
index 46d0d2f0..f41cc2c7 100644
--- a/frontend/src/routes/datasets/+page.svelte
+++ b/frontend/src/routes/datasets/+page.svelte
@@ -389,6 +389,27 @@
             </label>
             <HelpTooltip text={$t.datasets?.sql_query_tip || ""} />
           </span>
+          <!-- SQL template chips -->
+          <div class="flex flex-wrap gap-1.5 mb-2">
+            <span class="text-xs text-gray-400 mr-0.5 self-center">{$t.datasets?.sql_templates ?? 'Шаблоны'}:</span>
+            <button
+              type="button"
+              class="px-2 py-0.5 text-xs border border-gray-300 rounded-full text-gray-500 hover:bg-blue-50 hover:border-blue-300 hover:text-blue-600 transition-colors"
+              title={$t.datasets?.sql_template_info_schema_tip}
+              onclick={() => { mapSqlQuery = "SELECT c.column_name, c.data_type, pgd.description\nFROM information_schema.columns c\nLEFT JOIN pg_catalog.pg_description pgd ON pgd.objsubid = c.ordinal_position\n  AND pgd.objoid = (SELECT attrelid FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = c.table_name) AND attname = c.column_name)\nWHERE c.table_schema = 'public'\n  AND c.table_name = 'your_table_name'\nORDER BY c.ordinal_position;" }}
+            >information_schema</button>
+            <button
+              type="button"
+              class="px-2 py-0.5 text-xs border border-gray-300 rounded-full text-gray-500 hover:bg-blue-50 hover:border-blue-300 hover:text-blue-600 transition-colors"
+              title={$t.datasets?.sql_template_custom_tip}
+              onclick={() => { mapSqlQuery = "SELECT column_name, description AS verbose_name\nFROM my_column_mappings\nWHERE table_name = 'your_table_name'\nORDER BY column_name;" }}
+            >{$t.datasets?.sql_template_custom ?? 'Кастомная таблица'}</button>
+            <button
+              type="button"
+              class="px-2 py-0.5 text-xs border border-gray-300 rounded-full text-gray-400 hover:border-red-300 hover:text-red-500 transition-colors"
+              onclick={() => { mapSqlQuery = ""; }}
+            >{$t.datasets?.sql_template_clear ?? 'Очистить'}</button>
+          </div>
           <textarea
             id="map-sql-query"
             class="w-full border rounded px-2 py-1.5 mb-4 font-mono text-xs"