大约有 40,000 项符合查询结果(耗时:0.0117秒) [XML]
Cannot resolve the collation conflict between “SQL_Latin1_General_CP1_CI_AS” and “Latin1_General_CI_
...
You have a mismatch of two different collations in your table. You can check what collations each column in your table(s) has by using this query:
SELECT
col.name, col.collation_name
FROM
sys.columns col
WHERE
object_id = OBJECT_ID('YourTableName')
Collations are n...
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
...hedResultsController with a predicate to retrieve the data for the primary TableView. I want to make sure I'm on the right path before I change too much code. I'm confused because so many of the examples are array-based instead of CoreData.
...
Database sharding vs partitioning
...
Partitioning is more a generic term for dividing data across tables or databases. Sharding is one specific type of partitioning, part of what is called horizontal partitioning.
Here you replicate the schema across (typically) multiple instances or servers, using some kind of logic or ...
How can I create a unique constraint on my column (SQL Server 2008 R2)?
...@WhiteIsland - You should see it in SSMS object Explorer if you expand the table and look under "Keys"
– Martin Smith
Mar 3 '11 at 18:43
add a comment
|
...
How to check if a table exists in a given schema
Postgres 8.4 and greater databases contain common tables in public schema and company specific tables in company schema.
company schema names always start with 'company' and end with the company number.
So there may be schemas like:
...
How can you integrate a custom file browser/uploader with CKEditor?
... html,
body {padding:0; margin:0; background:black; }
table {width:100%; border-spacing:15px; }
td {text-align:center; padding:5px; background:#181818; }
img {border:5px solid #303030; padding:0; verticle-align: middle;}
img:hover { border-color:blu...
Get notified when UITableView has finished asking for data?
Is there some way to find out when a UITableView has finished asking for data from its data source?
18 Answers
...
Why shouldn't I use mysql_* functions in PHP?
...ing mysql_* is:
//Connected to MySQL
$result = mysql_query("SELECT * FROM table", $link) or die(mysql_error($link));
OR die() is not a good way to handle the error since we can not handle the thing in die. It will just end the script abruptly and then echo the error to the screen which you usuall...
Multiple Updates in MySQL
... use INSERT ... ON DUPLICATE KEY UPDATE.
Using your example:
INSERT INTO table (id,Col1,Col2) VALUES (1,1,1),(2,2,3),(3,9,3),(4,10,12)
ON DUPLICATE KEY UPDATE Col1=VALUES(Col1),Col2=VALUES(Col2);
share
|
...
Duplicating a MySQL table, indices, and data
...o I copy or clone or duplicate the data, structure,
and indices of a MySQL table to a new one?
10 Answers
...