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“Insert if not exists” statement in SQLite
... and text you should be able to do like this:
INSERT INTO memos(id,text)
SELECT 5, 'text to insert'
WHERE NOT EXISTS(SELECT 1 FROM memos WHERE id = 5 AND text = 'text to insert');
If a record already contains a row where text is equal to 'text to insert' and id is equal to 5, then the insert op...
Copy tables from one database to another in SQL Server
... server? Use three part naming.
INSERT INTO bar..tblFoobar( *fieldlist* )
SELECT *fieldlist* FROM foo..tblFoobar
This just moves the data. If you want to move the table definition (and other attributes such as permissions and indexes), you'll have to do something else.
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How can I run just the statement my cursor is on in SQL Server Management Studio?
...
Use Ctrl+KU to select a line.
Then use F5 to run it.
Although it only works for single line selection, still I find it quite useful.
Hope it helps!!
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What does collation mean?
... is a correctly ordered list:
Namibia
número
ñandú
ñú
obra
ojo
By selecting the correct collation, you get all this done for you, automatically :-)
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How to auto-remove trailing whitespace in Eclipse?
...rences -> Java -> Editors -> Save Actions -> check Perform the selected actions on save -> check Additional actions -> click Configure.. -> go to Code organizing tab -> check Remove trailing whitespace -> select All lines.
Removing whitespace only from the lines I change...
Sql Server 'Saving changes is not permitted' error ► Prevent saving changes that require table re-cr
...ck Options, expand
Designers, and then click Table and Database Designers.
Select or clear the Prevent saving changes that require the table to be
re-created check box.
See Also
Colt Kwong Blog Entry:
Saving changes is not permitted in SQL 2008 Management Studio
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Use gulp to select and move directories and their files
... },
onDemand: true,
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,immediatelyShowMarkdownHelp:true,enableSnippets:true
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MySQL一次主从数据不一致的问题解决过程 - 数据库(内核) - 清泛网 - 专注C/...
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pt-table-checksum校验数据一致性。
从库mysql操作
GRANT SELECT,PROCESS, SUPER, REPLICATION SLAVE ON *.* TO 'checksums'@'192.168.1.100' IDENTIFIED BY 'slavecheck'; flush privileges;
主库mysql操作
GRANT SELECT, PROCESS, SUPER, REPLICATION SLAVE ON *.* TO 'checksums'@'19...
Duplicate and rename Xcode project & associated folders [closed]
...ame or any associated folders at this stage.
In Xcode, rename the project. Select your project from the navigator pane (left pane). In the Utilities pane (right pane) rename your project, Accept the changes Xcode proposes.
In Xcode, rename the schemes in "Manage Schemes", also rename any targets you...
ListCtrl 重绘（Custom Draw） - C/C++ - 清泛网 - 专注C/C++及内核技术
...绘制的SubItem的Index值
l 正被绘制的Item的状态值（selected, grayed, 等等）
l Item的LPARAM值，就是你使用CListCtrl::SetItemData所设的那个值
上述所有的信息对你来说可能都很重要，这取决于你想实现什么效果，但最经常用到...