大约有 9,000 项符合查询结果（耗时：0.0308秒） [XML]
Left Join With Where Clause
...rry about JOIN/WHERE in the main query.
Sometimes, this works faster in MySQL, but compare it against the LEFT JOIN form to see what works best for you.
SELECT s.*, c.value
FROM settings s
LEFT JOIN character_settings c ON c.setting_id = s.id AND c.character_id = '1'
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80后夫妻创业，如今身价68亿，怎么做到？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...对诊断治疗的帮助可想而知。“其实，玩的就是大数据，如何将大数据应用到智慧城市就是我们接下来的一大重要内容。”王麒诚说。
当然，王麒诚想做的远不止这些，他希望把汉鼎做成更大的一个集团帝国。
80后 创业 身价
MySQL Query to select data from last week?
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@Graph Yes, The SQL script above will be like that: SELECT id FROM tbl WHERE DATE > DATE_SUB(DATE(NOW()), INTERVAL DAYOFWEEK(NOW())+6 DAY) AND DATE <= DATE_SUB(DATE(NOW()), INTERVAL DAYOFWEEK(NOW())-1 DAY)
– Xman...
Is asynchronous jdbc call possible?
...usy/blocked per concurrent request.
If the underlying database drivers (MySql?) offers a means to intercept the socket creation (see SocketFactory) then I imagine it would be possible to build an async event driven database layer on top of the JDBC api but we'd have to encapsulate the whole JDBC be...
Using “like” wildcard in prepared statement
I am using prepared statements to execute mysql database queries. And I want to implement a search functionality based on a keyword of sorts.
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MySQL INSERT INTO table VALUES.. vs INSERT INTO table SET
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As far as I can tell, both syntaxes are equivalent. The first is SQL standard, the second is MySQL's extension.
So they should be exactly equivalent performance wise.
http://dev.mysql.com/doc/refman/5.6/en/insert.html says:
INSERT inserts new rows into an existing table. The INSERT ....
Insert results of a stored procedure into a temporary table
...Queries', 1
GO
RECONFIGURE
GO
SELECT * INTO #MyTempTable FROM OPENROWSET('SQLNCLI', 'Server=(local)\SQL2008;Trusted_Connection=yes;',
'EXEC getBusinessLineHistory')
SELECT * FROM #MyTempTable
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Can you use Microsoft Entity Framework with Oracle? [closed]
...c/win.112/e23174/featLINQ.htm#CJACEDJG
Note: ODP.NET also supports Entity SQL.
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Changing the maximum length of a varchar column?
...to use to do this. I found the documentation here: ALTER TABLE (Transfact-SQL) however I can't make heads or tails of it.
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Auto Generate Database Diagram MySQL [closed]
...ect specific tables and then create a database diagram for me based on a MySQL database? Preferably it would allow me to edit the diagram afterward since none of the foreign keys are set...
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