大约有 40,000 项符合查询结果（耗时：0.0601秒） [XML]
SELECT DISTINCT on one column
...R() OVER (PARTITION BY PRODUCT ORDER BY ID) AS RowNumber
FROM MyTable
WHERE SKU LIKE 'FOO%') AS a
WHERE a.RowNumber = 1
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How to get the raw value an field?
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@Bergi The table above gives examples where number inputs can be invalid: "q", "11" (then the max is 10), "0" (when the min is 1), "" (then the element is required)
– Ian Boyd
Sep 17 '13 at 15:48
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How to align a div to the top of its parent but keeping its inline-block behaviour?
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Or you could just add some content to the div and use inline-table
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In SQL Server, when should you use GO and when should you use semi-colon ;?
...ain exception, and place where the ; is used most often is before a Common Table Expression Statement.
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What is exactly the base pointer and stack pointer? To what do they point?
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EBP is not magically changed, so until you've established a new EBP for your function you'll still have the callers value. And besides arguments, the stack will also hold the old EIP (return address)
– MSalters
Sep 9 '09 at 13:34
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reformat in vim for a nice column layout
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Works perfectly in a LaTeX Table: :'<,'>Align &
– Thomas
Dec 21 '12 at 13:31
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What's the difference between `on` and `live` or `bind`?
...p imbrication (<body><div><div><div><div><table><table><tbody><tr><td><div><div><div><ul><li><button> etc etc etc...)
So, bind, like click, like other shortcut event binders attach directly to the event ...
AWS MySQL RDS vs AWS DynamoDB [closed]
I've been using MySQL for a fair while now and I'm comfortable with its structure & SQL Queries etc.
4 Answers
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Tactics for using PHP in a high-load site
...lize your schemas. This means that rather than to have multiple relational tables, you should instead opt to have one big table. In general, joins are a waste of precious DB resources because doing multiple prepares and collation burns disk I/O's. Avoid them when you can.
The trade-off here is ...
Spring JPA @Query with LIKE
...findUsersWithPartOfName(@Param("username") String username);
Notice: The table name in JPQL must start with a capital letter.
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