diff --git a/apps/desktop/src/components/grid/DataGrid.vue b/apps/desktop/src/components/grid/DataGrid.vue
index fefa92f12d..0ca8289f8c 100644
--- a/apps/desktop/src/components/grid/DataGrid.vue
+++ b/apps/desktop/src/components/grid/DataGrid.vue
@@ -381,6 +381,11 @@ function shortTypeName(t: string): string {
   return t;
 }
 
+function headerColumnSortable(actualColIdx: number): boolean {
+  const resolved = props.result.column_sortables?.[actualColIdx];
+  return resolved !== undefined ? resolved : true;
+}
+
 function typeColorClass(t: string): string {
   // Strip precision/scale suffix like (20,6)
   const base = t.replace(/\(.*\)$/, "").toLowerCase();
@@ -6757,6 +6762,7 @@ const gridContextMenuItems = computed<ContextMenuItem[]>(() => {
                           </span>
                         </span>
                         <button
+                          v-if="headerColumnSortable(col.actualColIdx)"
                           type="button"
                           class="flex h-4 w-4 shrink-0 items-center justify-center rounded text-muted-foreground hover:bg-muted hover:text-foreground"
                           :class="
diff --git a/apps/desktop/src/types/database.ts b/apps/desktop/src/types/database.ts
index 5656c1a730..f238f563a5 100644
--- a/apps/desktop/src/types/database.ts
+++ b/apps/desktop/src/types/database.ts
@@ -247,6 +247,11 @@ export interface QueryResult {
    * fallback query paths, older backends). Consumers must tolerate gaps.
    */
   column_types?: string[];
+  /**
+   * Sortable for each column. Parallel to `columns`. Optional and may
+   * be shorter/empty when a driver cannot supply sortable information.
+   */
+  column_sortables?: boolean[];
   rows: (string | number | boolean | null)[][];
   affected_rows: number;
   execution_time_ms: number;
diff --git a/crates/dbx-core/src/db/clickhouse_driver.rs b/crates/dbx-core/src/db/clickhouse_driver.rs
index aa6f91da75..210c825dd4 100644
--- a/crates/dbx-core/src/db/clickhouse_driver.rs
+++ b/crates/dbx-core/src/db/clickhouse_driver.rs
@@ -158,6 +158,7 @@ fn limited_query_result(result: ChJsonResult, execution_time_ms: u128, max_rows:
     QueryResult {
         columns,
         column_types,
+        column_sortables: vec![],
         rows,
         affected_rows: 0,
         execution_time_ms,
@@ -270,6 +271,7 @@ pub async fn execute_query_with_max_rows(
         Ok(QueryResult {
             columns: vec![],
             column_types: Vec::new(),
+            column_sortables: vec![],
             rows: vec![],
             affected_rows: 0,
             execution_time_ms: start.elapsed().as_millis(),
diff --git a/crates/dbx-core/src/db/elasticsearch_driver.rs b/crates/dbx-core/src/db/elasticsearch_driver.rs
index 4f2086ae6b..493a401f91 100644
--- a/crates/dbx-core/src/db/elasticsearch_driver.rs
+++ b/crates/dbx-core/src/db/elasticsearch_driver.rs
@@ -578,6 +578,7 @@ fn parse_elasticsearch_response(
         Ok(crate::types::QueryResult {
             columns: all_keys,
             column_types: Vec::new(),
+            column_sortables: vec![],
             rows,
             affected_rows: row_count,
             execution_time_ms: start.elapsed().as_millis(),
@@ -592,6 +593,7 @@ fn parse_elasticsearch_response(
             Ok(crate::types::QueryResult {
                 columns,
                 column_types: Vec::new(),
+                column_sortables: vec![],
                 rows,
                 affected_rows: row_count,
                 execution_time_ms: start.elapsed().as_millis(),
@@ -604,6 +606,7 @@ fn parse_elasticsearch_response(
             Ok(crate::types::QueryResult {
                 columns: vec!["status".to_string(), "response".to_string()],
                 column_types: Vec::new(),
+                column_sortables: vec![],
                 rows: vec![vec![serde_json::Value::Number(status.into()), serde_json::Value::String(pretty)]],
                 affected_rows: 0,
                 execution_time_ms: start.elapsed().as_millis(),
@@ -617,6 +620,7 @@ fn parse_elasticsearch_response(
         Ok(crate::types::QueryResult {
             columns: vec!["status".to_string(), "response".to_string()],
             column_types: Vec::new(),
+            column_sortables: vec![],
             rows: vec![vec![serde_json::Value::Number(status.into()), serde_json::Value::String(pretty)]],
             affected_rows: 0,
             execution_time_ms: start.elapsed().as_millis(),
@@ -1035,6 +1039,7 @@ fn parse_sql_response(body: &serde_json::Value, start: std::time::Instant) -> Op
     Some(crate::types::QueryResult {
         columns: column_names,
         column_types: Vec::new(),
+        column_sortables: vec![],
         rows: result_rows,
         affected_rows: rows.len() as u64,
         execution_time_ms: start.elapsed().as_millis(),
diff --git a/crates/dbx-core/src/db/mysql.rs b/crates/dbx-core/src/db/mysql.rs
index 983a182e08..507400dc24 100644
--- a/crates/dbx-core/src/db/mysql.rs
+++ b/crates/dbx-core/src/db/mysql.rs
@@ -1448,6 +1448,7 @@ async fn execute_result_set_with_text_protocol_on_conn(
     Ok(QueryResult {
         columns,
         column_types,
+        column_sortables: vec![],
         rows: result_rows,
         affected_rows: 0,
         execution_time_ms: start.elapsed().as_millis(),
@@ -1492,6 +1493,7 @@ async fn execute_result_set_with_prepared_protocol_on_conn(
     Ok(QueryResult {
         columns,
         column_types,
+        column_sortables: vec![],
         rows: result_rows,
         affected_rows: 0,
         execution_time_ms: start.elapsed().as_millis(),
@@ -1555,6 +1557,7 @@ pub async fn execute_query_on_conn_with_max_rows(
         Ok(QueryResult {
             columns: vec![],
             column_types: Vec::new(),
+            column_sortables: vec![],
             rows: vec![],
             affected_rows,
             execution_time_ms: start.elapsed().as_millis(),
diff --git a/crates/dbx-core/src/db/postgres.rs b/crates/dbx-core/src/db/postgres.rs
index 63d7e50096..f8a2e9293b 100644
--- a/crates/dbx-core/src/db/postgres.rs
+++ b/crates/dbx-core/src/db/postgres.rs
@@ -686,6 +686,7 @@ async fn execute_select_prepared(
 
     Ok(QueryResult {
         columns,
+        column_sortables: vec![],
         rows: result_rows,
         affected_rows: 0,
         execution_time_ms: start.elapsed().as_millis(),
@@ -736,6 +737,7 @@ async fn execute_select_text(
 
     Ok(QueryResult {
         columns,
+        column_sortables: vec![],
         rows: result_rows,
         affected_rows: 0,
         execution_time_ms: start.elapsed().as_millis(),
@@ -1432,6 +1434,7 @@ pub async fn execute_query_with_max_rows(
 
         Ok(QueryResult {
             columns: vec![],
+            column_sortables: vec![],
             rows: vec![],
             affected_rows: affected,
             execution_time_ms: start.elapsed().as_millis(),
@@ -1518,6 +1521,7 @@ async fn execute_query_with_max_rows_inner(
 
         Ok(QueryResult {
             columns: vec![],
+            column_sortables: vec![],
             rows: vec![],
             affected_rows: affected,
             execution_time_ms: start.elapsed().as_millis(),
diff --git a/crates/dbx-core/src/db/rqlite_driver.rs b/crates/dbx-core/src/db/rqlite_driver.rs
index 53651317db..7dc35a7b02 100644
--- a/crates/dbx-core/src/db/rqlite_driver.rs
+++ b/crates/dbx-core/src/db/rqlite_driver.rs
@@ -291,6 +291,7 @@ pub async fn execute_query_with_max_rows(
         Ok(QueryResult {
             columns: vec![],
             column_types: Vec::new(),
+            column_sortables: vec![],
             rows: vec![],
             affected_rows,
             execution_time_ms: start.elapsed().as_millis(),
@@ -339,6 +340,7 @@ fn query_result_from_rqlite_result(
     QueryResult {
         columns: result.columns,
         column_types: Vec::new(),
+        column_sortables: vec![],
         rows: result.values,
         affected_rows: 0,
         execution_time_ms,
diff --git a/crates/dbx-core/src/db/sqlite.rs b/crates/dbx-core/src/db/sqlite.rs
index fcd0067a90..cc40e8b9a6 100644
--- a/crates/dbx-core/src/db/sqlite.rs
+++ b/crates/dbx-core/src/db/sqlite.rs
@@ -638,6 +638,7 @@ fn execute_query_blocking(pool: &SqliteHandle, sql: &str, max_rows: Option<usize
             Ok(QueryResult {
                 columns,
                 column_types: Vec::new(),
+                column_sortables: vec![],
                 rows: result_rows,
                 affected_rows: 0,
                 execution_time_ms: start.elapsed().as_millis(),
@@ -650,6 +651,7 @@ fn execute_query_blocking(pool: &SqliteHandle, sql: &str, max_rows: Option<usize
             Ok(QueryResult {
                 columns: vec![],
                 column_types: Vec::new(),
+                column_sortables: vec![],
                 rows: vec![],
                 affected_rows: conn.changes(),
                 execution_time_ms: start.elapsed().as_millis(),
diff --git a/crates/dbx-core/src/db/sqlserver.rs b/crates/dbx-core/src/db/sqlserver.rs
index 738022daa2..55527e6ea9 100644
--- a/crates/dbx-core/src/db/sqlserver.rs
+++ b/crates/dbx-core/src/db/sqlserver.rs
@@ -141,6 +141,7 @@ async fn collect_first_result_limited(
     Ok(QueryResult {
         columns,
         column_types,
+        column_sortables: vec![],
         rows,
         affected_rows: 0,
         execution_time_ms: start.elapsed().as_millis(),
@@ -483,6 +484,7 @@ fn push_sqlserver_result_set(results: &mut Vec<QueryResult>, result: Option<SqlS
         results.push(QueryResult {
             columns: result.columns,
             column_types: result.column_types,
+            column_sortables: vec![],
             rows: result.rows,
             affected_rows: 0,
             execution_time_ms: start.elapsed().as_millis(),
@@ -941,6 +943,7 @@ pub async fn execute_query_with_max_rows(
         Ok(QueryResult {
             columns: vec![],
             column_types: Vec::new(),
+            column_sortables: vec![],
             rows: vec![],
             affected_rows: 0,
             execution_time_ms: start.elapsed().as_millis(),
@@ -953,6 +956,7 @@ pub async fn execute_query_with_max_rows(
         Ok(QueryResult {
             columns: vec![],
             column_types: Vec::new(),
+            column_sortables: vec![],
             rows: vec![],
             affected_rows: result.rows_affected().iter().sum::<u64>(),
             execution_time_ms: start.elapsed().as_millis(),
@@ -988,6 +992,7 @@ pub async fn execute_batch_with_max_rows(
         results.push(QueryResult {
             columns: vec![],
             column_types: Vec::new(),
+            column_sortables: vec![],
             rows: vec![],
             affected_rows: 0,
             execution_time_ms: start.elapsed().as_millis(),
diff --git a/crates/dbx-core/src/query.rs b/crates/dbx-core/src/query.rs
index 0b94750bdf..f0bf774f31 100644
--- a/crates/dbx-core/src/query.rs
+++ b/crates/dbx-core/src/query.rs
@@ -303,6 +303,7 @@ pub fn duckdb_execute_with_max_rows(
         Ok(db::QueryResult {
             columns,
             column_types: Vec::new(),
+            column_sortables: vec![],
             rows: result_rows,
             affected_rows: 0,
             execution_time_ms: start.elapsed().as_millis(),
@@ -315,6 +316,7 @@ pub fn duckdb_execute_with_max_rows(
         Ok(db::QueryResult {
             columns: vec![],
             column_types: Vec::new(),
+            column_sortables: vec![],
             rows: vec![],
             affected_rows: affected as u64,
             execution_time_ms: start.elapsed().as_millis(),
@@ -1028,6 +1030,7 @@ fn error_query_result(message: String) -> db::QueryResult {
     db::QueryResult {
         columns: vec!["Error".to_string()],
         column_types: Vec::new(),
+        column_sortables: vec![],
         rows: vec![vec![serde_json::Value::String(message)]],
         affected_rows: 0,
         execution_time_ms: 0,
@@ -1053,6 +1056,7 @@ async fn execute_multi_sqlserver(
             all_results.push(db::QueryResult {
                 columns: vec!["Error".to_string()],
                 column_types: Vec::new(),
+                column_sortables: vec![],
                 rows: vec![vec![serde_json::Value::String(canceled_error())]],
                 affected_rows: 0,
                 execution_time_ms: 0,
@@ -1086,6 +1090,7 @@ async fn execute_multi_sqlserver(
                 all_results.push(db::QueryResult {
                     columns: vec!["Error".to_string()],
                     column_types: Vec::new(),
+                    column_sortables: vec![],
                     rows: vec![vec![serde_json::Value::String(e)]],
                     affected_rows: 0,
                     execution_time_ms: 0,
@@ -1101,6 +1106,7 @@ async fn execute_multi_sqlserver(
         all_results.push(db::QueryResult {
             columns: vec![],
             column_types: Vec::new(),
+            column_sortables: vec![],
             rows: vec![],
             affected_rows: 0,
             execution_time_ms: 0,
@@ -1165,6 +1171,7 @@ pub async fn execute_statements(
     Ok(db::QueryResult {
         columns: vec![],
         column_types: Vec::new(),
+        column_sortables: vec![],
         rows: vec![],
         affected_rows: total_affected,
         execution_time_ms: start.elapsed().as_millis(),
@@ -1268,6 +1275,7 @@ async fn exec_tx_pg_inner(
         Ok(total_affected) => Ok(db::QueryResult {
             columns: vec![],
             column_types: Vec::new(),
+            column_sortables: vec![],
             rows: vec![],
             affected_rows: total_affected,
             execution_time_ms: start.elapsed().as_millis(),
@@ -1316,6 +1324,7 @@ async fn exec_tx_mysql_inner(
     Ok(db::QueryResult {
         columns: vec![],
         column_types: Vec::new(),
+        column_sortables: vec![],
         rows: vec![],
         affected_rows: total_affected,
         execution_time_ms: start.elapsed().as_millis(),
@@ -1348,6 +1357,7 @@ async fn exec_tx_sqlite_inner(
             Ok(db::QueryResult {
                 columns: vec![],
                 column_types: Vec::new(),
+                column_sortables: vec![],
                 rows: vec![],
                 affected_rows: total_affected,
                 execution_time_ms: start.elapsed().as_millis(),
@@ -1428,6 +1438,7 @@ async fn exec_tx_explicit_inner(
     Ok(db::QueryResult {
         columns: vec![],
         column_types: Vec::new(),
+        column_sortables: vec![],
         rows: vec![],
         affected_rows: total_affected,
         execution_time_ms: start.elapsed().as_millis(),
@@ -1470,6 +1481,7 @@ async fn exec_tx_none_inner(
     Ok(db::QueryResult {
         columns: vec![],
         column_types: Vec::new(),
+        column_sortables: vec![],
         rows: vec![],
         affected_rows: total_affected,
         execution_time_ms: start.elapsed().as_millis(),
@@ -1494,6 +1506,7 @@ mod tests {
             Ok(db::QueryResult {
                 columns: vec![],
                 column_types: Vec::new(),
+                column_sortables: vec![],
                 rows: vec![],
                 affected_rows: 0,
                 execution_time_ms: 0,
@@ -1514,6 +1527,7 @@ mod tests {
             Ok(db::QueryResult {
                 columns: vec![],
                 column_types: Vec::new(),
+                column_sortables: vec![],
                 rows: vec![],
                 affected_rows: 0,
                 execution_time_ms: 0,
@@ -1857,6 +1871,7 @@ mod tests {
         let result = db::QueryResult {
             columns: vec!["id".to_string(), "nested".to_string()],
             column_types: Vec::new(),
+            column_sortables: vec![],
             rows: vec![vec![
                 serde_json::json!(2_041_797_190_226_354_178_i64),
                 serde_json::json!([1, 2_041_797_190_226_354_178_i64]),
diff --git a/crates/dbx-core/src/transfer.rs b/crates/dbx-core/src/transfer.rs
index e6b4dad58e..d69212253c 100644
--- a/crates/dbx-core/src/transfer.rs
+++ b/crates/dbx-core/src/transfer.rs
@@ -1713,6 +1713,7 @@ pub async fn execute_on_pool_with_max_rows(
                     Ok(db::QueryResult {
                         columns,
                         column_types: Vec::new(),
+                        column_sortables: vec![],
                         rows: result_rows,
                         affected_rows: 0,
                         execution_time_ms: start.elapsed().as_millis(),
@@ -1725,6 +1726,7 @@ pub async fn execute_on_pool_with_max_rows(
                     Ok(db::QueryResult {
                         columns: vec![],
                         column_types: Vec::new(),
+                        column_sortables: vec![],
                         rows: vec![],
                         affected_rows: affected as u64,
                         execution_time_ms: start.elapsed().as_millis(),
diff --git a/crates/dbx-core/src/types.rs b/crates/dbx-core/src/types.rs
index b16a5c05d9..ec77846309 100644
--- a/crates/dbx-core/src/types.rs
+++ b/crates/dbx-core/src/types.rs
@@ -67,6 +67,10 @@ pub struct QueryResult {
     /// query paths); consumers must tolerate a shorter/empty vector.
     #[serde(default)]
     pub column_types: Vec<String>,
+    /// Sortable for each column. Parallel to `columns`. Optional and may
+    /// be shorter/empty when a driver cannot supply sortable information.
+    #[serde(default)]
+    pub column_sortables: Vec<bool>,
     pub rows: Vec<Vec<serde_json::Value>>,
     pub affected_rows: u64,
     pub execution_time_ms: u128,