今天在看别人写 的代码时,中间的sql语句有个order by 1 查了下。 贴出来: order by 1means "order by the first field I selected"
Beginning with MySQL 8.4.0, the deprecated mysql_native_password authentication plugin is no longer enabled by default. To enable it, start the server with --mysql-native-password=ON (added in MySQL 8.4.0), or by including mysql_native_password=ON in the [mysqld] section of your MySQL co...
MySQL 8.0 delivers support for indexes in descending order. Values in such an index are arranged in descending order, and we scan it forward. Before 8.0, when a user create a descending index, we created an ascending index and scanned it backwards. One benefit is that forward index scans ar...
MySQL 8.0 delivers support for indexes in descending order. Values in such an index are arranged in descending order, and we scan it forward. Before 8.0, when a user create a descending index, we created an ascending index and scanned it backwards. One benefit is that forward index scans ar...
* GROUP BY forces ORDER BY. (This is a violation of the standard. It can be avoided by using ORDER BY NULL.) SELECT * FROM tbl -- this will do a "table scan". If the table has never had any DELETEs/REPLACEs/UPDATEs, the records will happen to be in the insertion order, hence...
Reviewer is required to be project participant in order to complete review (COLLAB-11510) 14.7.14703 - March 18, 2025 Bug Fixes: Сustom view will be reset to default setting for accept file event(COLLAB-5165). Collaborator throws the "Invalid RPC token" exception when the logout was pe...
Azure Database for MySQL Flexible Server now allows triggering an on-demand server backup and exporting it to an Azure storage account (Azure blob storage). The feature is currently in public preview and available only in public cloud regions. Learn more Known Issues While attempting to enable...
In the case of fast batch insertion, the framework will not automatically assign a value to the ID field of the entity.At the same time, if the database is mysql , there are some special circumstances.First, the driver library must have MySqlConnector .This library can coexist with mysql....
Azure NetApp Files- A capacity reservation covers matching capacity pools in the selected service level and region. When using capacity pools configured withcool access, only "hot" tier consumption is covered by the reservation benefit. Software plans: ...
If the “502 Bad Gateway” error is not present in another browser, this is a strong indication that the problem is with the browser you’ve been using. You can then proceed to troubleshoot by clearing the browser’s cache and cookies. ...