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...
http: ci.xiaohongshu.com 110... Why not with suffixes like jpg,png ...
The change of the original default spacing after : cycle is not a problem of setting margin. Although setting margin can solve it, is there a better way? ...
topic description eigthter letter words ending in tion or 10 letter words ending in able sources of topics and their own ideas I am (b ^ [A-Za-ztion] {4} S ? B). The idea is that the letter ends with tion, limiting 4 digits, looking for all non-em...
jwt is saved in localstorage. How to set http only? ...
I use phpstudy,. I set the root directory of my website to www test and www test . Now I build three files under test. Index.php,index.html,1.php, accesses index.php,index.html,1.php normally when my root directory is www test, so the problem is that whe...