大约有 6,100 项符合查询结果（耗时：0.0349秒） [XML]
How do I spool to a CSV formatted file using SQLPLUS?
...t for numbers (avoid scientific notation on IDs)
spool myfile.csv
select table_name, tablespace_name
from all_tables
where owner = 'SYS'
and tablespace_name is not null;
Output will be like:
TABLE_PRIVILEGE_MAP ,SYSTEM
SYSTEM_PRIVILEGE_MAP ...
Downloading MySQL dump from command line
...mp -u [uname] -p --all-databases > all_db_backup.sql
If it's specific tables within a DB, then:
$ mysqldump -u [uname] -p db_name table1 table2 > table_backup.sql
You can even go as far as auto-compressing the output using gzip (if your DB is very big):
$ mysqldump -u [uname] -p db...
How can I check if a View exists in a Database?
...
I like this one. You can use 'u' for tables as well.
– Phillip Senn
Oct 10 '15 at 22:47
2
...
How to align 3 divs (left/center/right) inside another div?
...ide another div.
#container {
display: flex; /* establish flex container */
flex-direction: row; /* default value; can be omitted */
flex-wrap: nowrap; /* default value; can be omitted */
justify-content: space-between; /* switched from defau...
Error Dropping Database (Can't rmdir '.test\', errno: 17)
...ory (usually /var/lib/mysql), and the directory is intended for storage of table data.
The DROP DATABASE statement will remove all table files and then remove the directory that represented the database. It will not, however, remove non-table files, whereby making it not possible to remove the dire...
Why can't I use an alias in a DELETE statement?
...
To alias the table you'd have to say:
DELETE f FROM dbo.foods AS f WHERE f.name IN (...);
I fail to see the point of aliasing for this specific DELETE statement, especially since (at least IIRC) this no longer conforms to strict ANSI. ...
UITapGestureRecognizer breaks UITableView didSelectRowAtIndexPath
...ouch:(UITouch *)touch
{
if ([touch.view isDescendantOfView:autocompleteTableView]) {
// Don't let selections of auto-complete entries fire the
// gesture recognizer
return NO;
}
return YES;
}
That took care of it. Hopefully this will help others as well.
...
How to Create Multiple Where Clause Query Using Laravel Eloquent?
... You can also pass an array of conditions like this: $users = DB::table('users')->where([ ['status', '=', '1'], ['subscribed', '<>', '1'], ])->get();
– zeros-and-ones
Sep 15 '16 at 19:19
...
How can I add a table of contents to a Jupyter / JupyterLab notebook?
The documentation at http://ipython.org/ipython-doc/stable/interactive/notebook.html says
10 Answers
...
Why would you use Expression rather than Func?
...
@bertl Delegate is what CPU sees (executable code of one architecture), Expression is what compiler sees (merely another format of source code, but still source code).
– codewarrior
May 5 '17 at 9:22
...