在sqlite中删除字段用什么sql语句
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sqlite> create table D_BrandService(id int);
sqlite> alter table D_BrandService add column a int default 0;
sqlite> create table tmp as select id from D_BrandService;
sqlite> drop table D_BrandService;
sqlite> alter table tmp rename to D_BrandService;
sqlite> alter table D_BrandService add column a int default 0;
sqlite> create table tmp as select id from D_BrandService;
sqlite> drop table D_BrandService;
sqlite> alter table tmp rename to D_BrandService;
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