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456 B
456 B
#springboot
SpringBoot Web, JPA, DevTools,MySQL, Freemarker, Bootstrap
load data local infile 'f:\321.csv' into table importexcel fields terminated by '\t';
insert into sku (sku_barcode, sku_name, sku_spec, sku_unit)
select C2, C1, C5, C4 from importexcel
ALTER TABLE `sku`
DROP INDEX `sku_barcode`,
ADD UNIQUE INDEX `sku_barcode` (`sku_barcode`);
select sku_barcode,min(id) from sku group by sku_barcode having count(*) > 1