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分享SET @chSql = 'update table2 set c2=100 where c1=1';
PREPARE st FROM @chSql;
EXECUTE st;
DEALLOCATE PREPARE st;
SET @nRow = ROW_COUNT();
SELECT @nRow;update table2 set c2=100 where c1=1;
SET @nRow = ROW_COUNT();
SELECT @nRow;