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Alter database example Rebuild Log on (name=Example_log, filename= 'C:\ Program Files\ Microsoft SQL Server\ MSSQL10. SQL2008\ MSSQL\ DATA\ Example_log. Ldf')The hotel's west wing guest room building has about six floors, with elevators, and is arranged on the fifth floor. The booked double-bed room was originally planned to have a 2.4-meter-wide queen bed, which is very considerate!Family name: Polygonaceae Polygonaceae他默默地对着森林深处念道：小葱，自小你就能干，哥哥相信你肯定能闯过这关的，咱们一家人肯定能在京城团聚的。红椒。First of all, let's introduce the business: in the purchase process, you can select the color of the mobile phone and enter the purchase quantity. At the same time, there are two display areas in the page, which respectively display the color and quantity that the user has just selected. There is also a button that dynamically displays the next operation. We need to query the inventory corresponding to the mobile phone of this color. If the inventory quantity is less than the purchase quantity this time, the button will be disabled and the copy with insufficient inventory will be displayed. Otherwise, the button will be highlighted and can be clicked and displayed if the shopping cart is displayed.