在MySql中，哪种更快，更高效，手动排序还是自动递增？

Question

Which is More faster and efficient Manual Sequence or MySql Auto Increment? And which one we should use ? And which one is good for more efficient queries.

Answer 1

Create MySQL AUTO_INCREMENT column

CREATE TABLE xyz
(
ID int NOT NULL AUTO_INCREMENT,
PRIMARY KEY (ID)
)

The AUTO_INCREMENT attribute can be used to generate a unique identity By default. The starting value for AUTO_INCREMENT is 1, and it will increment by 1 for each new record. for new rows