大约有 7,400 项符合查询结果（耗时：0.0216秒） [XML]
How to delete all the rows in a table using Eloquent?
... use Model::truncate() if you disable foreign_key_checks (I assume you use MySQL).
DB::statement("SET foreign_key_checks=0");
Model::truncate();
DB::statement("SET foreign_key_checks=1");
share
|
...
Where are my postgres *.conf files?
...
@A-B-B "...accessible exclusively by root, postgres, or the products user only." Run it as root and it's reliable.
– dhaupin
Sep 8 '16 at 15:49
...
How to set up a cron job to run an executable every hour?
...
Note that you also need an absolute path (ie from the root directory) afaik
– drevicko
Apr 25 at 1:11
add a comment
|
...
How can I get column names from a table in Oracle?
... this question works better as a general one. (I came here looking for the mySQL one.)
– icedwater
Feb 17 '14 at 6:02
add a comment
|
...
How can I compare two dates in PHP?
...ould'nt do this with PHP.
A database should know, what day is today.( use MySQL->NOW() for example ), so it will be very easy to compare within the Query and return the result, without any problems depending on the used Date-Types
SELECT IF(expireDate < NOW(),TRUE,FALSE) as isExpired FROM ta...
postgresql - sql - count of `true` values
...
In MySQL, you can do this as well:
SELECT count(*) AS total
, sum(myCol) AS countTrue --yes, you can add TRUEs as TRUE=1 and FALSE=0 !!
FROM yourTable
;
I think that in Postgres, this works:
SELECT count(*) AS total
...
How to fully clean bin and obj folders within Visual Studio?
...rget>
Notice that this snippet also wipes out the .vs folder from the root directory of your solution. You may want to comment out the associated line if you feel that removing the .vs folder is an overkill. I have it enabled because I noticed that in some third party projects it causes issues ...
SQL Server SELECT INTO @variable?
...not all support TOP 1 as Adrian mentioned. SQL Server / MS Access use TOP, MySQL uses LIMIT, and Oracle uses ROWNUM. See w3schools.com/sql/sql_top.asp for more information.
– Tyler
Jul 7 '17 at 12:08
...
How do I find duplicate values in a table in Oracle?
...over 8 year later, still works well for both latest versions of Oracle and MySQL (remove space after count function in having line).
– PhatHV
Apr 19 '16 at 2:34
...
How to find the width of a div using vanilla JavaScript?
...{
const style = window.getComputedStyle(document.getElementById('__root__'));
if (style.height == 'auto') {
getStyleInfo();
}
// IF we got here we can do actual business logic staff
console.log(style.height, style.width);
}, 100);
};
window.on...