# `Prepared Stetment` 示例
```
PREPARE check_query FROM
'select TIDB_ROW_ID_SHARDING_INFO, TIDB_PK_TYPE 
    from information_schema.tables 
    where table_schema=?
        and table_name=?';
EXECUTE check_query USING @schema, @table;
DEALLOCATE PREPARE check_query;
```
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