SELECT @@sql_mode 的执行结果
mysql> SELECT @@sql_mode; +-----------------------------------------------------------------------------------------------------------------------+ | @@sql_mode | +-----------------------------------------------------------------------------------------------------------------------+ | ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION | +-----------------------------------------------------------------------------------------------------------------------+ 1 row in set (0.00 sec)
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Complexity and Approximation
G. Ausiello、P. Crescenzi、V. Kann、Marchetti-sp、Giorgio Gambosi、Alberto M. Spaccamela / Springer / 2003-02 / USD 74.95
This book is an up-to-date documentation of the state of the art in combinatorial optimization, presenting approximate solutions of virtually all relevant classes of NP-hard optimization problems. The......一起来看看 《Complexity and Approximation》 这本书的介绍吧!