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SQLite - How do you join tables from different databases?
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attach 'database1.db' as db1;
attach 'database2.db' as db2;
You can see all connected databases with keyword
.databases
Then you should be able to do the following.
select
*
from
db1.SomeTable a
inner join
db2.SomeTable b on b.SomeColumn = a.SomeColumn;
Note that "[t]he database ...
Case insensitive searching in Oracle
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Since 10gR2, Oracle allows to fine-tune the behaviour of string comparisons by setting the NLS_COMP and NLS_SORT session parameters:
SQL> SET HEADING OFF
SQL> SELECT *
2 FROM NLS_SESSION_PARAMETERS
3 WHERE PARAMETER IN ('NLS_COMP', ...
How to copy a row and insert in same table with a autoincrement field in MySQL?
....)
select c1, c2, ...
from your_table
where id = 1
where c1, c2, ... are all the columns except id. If you want to explicitly insert with an id of 2 then include that in your INSERT column list and your SELECT:
insert into your_table (id, c1, c2, ...)
select 2, c1, c2, ...
from your_table
where i...
relative path in BAT script
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Actually this resolves to something like C:\myDir\\bin\Iris.exe (note the double-backslash). This still works but leaving away the backslash before bin seems to be "cleaner"? --> %~dp0bin\Iris.exe.
– mozz...
Adding a new value to an existing ENUM Type
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It's worth mentioning that this can all be done in a single transaction, so it's mostly safe to do it in a production database.
– David Leppik
Jul 8 '11 at 20:41
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.gitignore exclude files in directory but not certain directories
...s also with each "empty" folders. Later you can ignore these files, they really only exists to make sure that git creates those directories on clone. The entries in .gitignore keeps others files within the folders from being tracked (unless you force it with git add -f ;)).
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Post an empty body to REST API via HttpClient
The API I'm trying to call requires that I do a POST but with an empty body. I'm new to using the WCF Web API HttpClient and I can't seem to find out the write code that would do a post with an empty body. I find references to some HttpContent.CreateEmpty() method, but I don't think that is for th...
What is the difference between “Include Directories” and “Additional Include Directories”
...r "Include Directories". But under "C/C++" option, there is another entry called "Additional Include Directories". Same thing happens with library directories.
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When increasing the size of VARCHAR column on a large table could there be any problems?
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All went fine with this. No problems.
– Paul T Davies
Sep 23 '11 at 15:46
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How can I list (ls) the 5 last modified files in a directory?
I know ls -t will list all files by modified time. But how can I limit these results to only the last n files?
5 Answe...