大约有 42,000 项符合查询结果（耗时：0.0383秒） [XML]
Why is a “GRANT USAGE” created the first time I grant a user privileges?
...to the admin side of DBMS and was setting up a new database tonight (using MySQL) when I noticed this. After granting a user a privilege for the first time, another grant is created that looks like
...
Update date + one year in mysql
When I want setting numerical value +1 in mysql table, I use e.g.:
3 Answers
3
...
Mysql error 1452 - Cannot add or update a child row: a foreign key constraint fails
...s another, but it is failing for some reason. With my limited knowledge of MySQL, the only thing that could possibly be suspect is that there is a foreign key on a different table referencing the one I am trying to reference.
...
MySQL stored procedure vs function, which would I use when?
I'm looking at MySQL stored procedures and function. What is the real difference?
5 Answers
...
What would be a good docker webdev workflow?
... persistance indepent of your CMS container, you can use one container for MySQL and one container for your CMS. In such case, you can have your MySQL container still running and your can redeploy your CMS as often as you want independently.
For development - the another option is to map mysql data ...
MySQL Cannot drop index needed in a foreign key constraint
...column. I'm trying to remove the current index but keep getting the error MySQL Cannot drop index needed in a foreign key constraint
...
What is maximum query size for mysql?
What is maximum query size for mysql? Some times the server stops working when I fire a too long query.
2 Answers
...
How can I search (case-insensitive) in a column using LIKE wildcard?
...
Friendly reminder that this is a mysql answer. If you're using PostgreSQL, ILike is the solution to the above question.
– Steve
Sep 6 '13 at 5:57
...
MySQL: How to copy rows, but change a few fields?
...
MySQL supports the TEMPORARY keyword to create temporary tables. Usage of CREATE TEMPORARY TABLE will automagically drop the table when the session (a serie of SQL queries) is finished. Dropping the table wouldn't be necessar...
PostgreSQL Autoincrement
I'm switching from MySQL to PostgreSQL and was wondering how I can do autoincrement values. I saw in the PostgreSQL docs a datatype "serial", but I get syntax errors when using it (in v8.0).
...