recently, I have been studying the scheme of sub-database and sub-database. I don t have much experience. If you have any questions, I will ask you for advice. for example, an order table with fields: placing an order for id, goods, id, store, id, iss...
every amount change of the user is recorded in this table. website users about 100W, now the table is too big, thought of sub-table, how to divide it? Table structure! user id is a 32-bit guid ...
to query the data after horizontal split, suppose the data of a business is split horizontally, and the monthly records are stored in a table. The data of each table is about 1000w. There are already more than 20 tables, such as table_201606,.,table_201...
I want to use element table to click the left mouse button to select, click the ctrl+ mouse button to choose more, can you do it? I can do the left mouse button radio, mainly because the ctrl+ left mouse button will not ...
jsnginx nginx this error occurs when referenced js files are redirected to index.html That is, when I now request the URL http: localhost:8500 home Html, then the js file requested by index.html becomes http: localhost:8500 home static runtime.86...
for example, now I have a bunch of strings, such as: my mother takes me * *. now how do I convert "Mom take me " to Mom take me and render it in react as bold. instead of rendering to Mom take me * or like this ...
when I click like, the like icon turns blue, and then the number of likes + 1. But loading more will lead to data confusion. For example, what I like now is the first one, but after loading more, it will change to the third. here is the effect picture ...
problem description Debug related codes class OrgView(View): def get(self, request): -sharp all_orgs = CourseOrg.objects.all() org_nums = all_orgs.count() -sharp all_cit...