Add info to PREPARE statement docs (#17309)

pingcap · May 20, 2024 · aa1631b · aa1631b
1 parent 02c9e16
commit aa1631b
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/sql-statements/sql-statement-prepare.md b/sql-statements/sql-statement-prepare.md
@@ -19,6 +19,12 @@ PrepareSQL ::=
 |   UserVariable
 ```
 
+> **Note:**
+>
+> For each `PREPARE` statement, the maximum number of placeholders is 65535.
+
+To limit the number of `PREPARE` statements in the current TiDB instance, you can use the [`max_prepared_stmt_count`](/system-variables.md#max_prepared_stmt_count) system variable.
+
 ## Examples
 
 ```sql