primary key into the data file, the maximum ID of the restart MySQL self-increment primary key will not be lost.(2) If the type of the table is InnoDB, then it is 15.The InnoDB table simply logs the maximum ID of the self-increment primary key into memory, so restarting the database or optimize the table will cause the maximum ID to be lost.Iv. describe the ways in which you optimize the efficiency of SQL statement execution in your project. How is SQL statement performance analyzed?(1) Try to
Effects of moving the mouse over the image title made in 9 CSS3 blend modes, css3blendThis is a special effect that uses CSS3 background-blend-mode to move the mouse over the image title. When this image title effect slides over an image, the title of the image is animated a
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the grid is worth more than Xiaoming's hand any treasure value is big, xiaoming can pick up it (of course, can not take).So obviously can take 2 5 4,2 5 3,2 4 3. But...... Online to find a test of AC, incredibly is 0.#include The tenth question is more interesting. Until the pit is dead.is to find the reverse order.The left is bigger than it. The right is smaller than it.Long long ans uses LLD to output WA to cry. Change to I64d on AC ... Tired sleep does not love. It's a pit-bridge cup.#includ
The specific topic is this:
Select n numbers from the 1--9, make up the number of n digits that are not duplicated, numbering from small to large, and when you enter any number m, you can find the number corresponding
The number. such as n=3,m=213. Output: [123 (1), 132 (2), 213 (3), 231 (4), 312 (5), 321 (6)]--->x=2
The first thing that comes to mind is to generate an array of all permutations from small to large, then go through the array to get
The specific topic is this:
Select n numbers from the 1--9, make up the number of n digits that are not duplicated, numbering from small to large, and when you enter any number m, you can find the number corresponding
The number. such as n=3,m=213. Output: [123 (1), 132 (2), 213 (3), 231 (4), 312 (5), 321 (6)]--->x=2
The first thing that comes to mind is to generate an array of all permutations from small to large, then go through the array to get
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