大约有 30,000 项符合查询结果（耗时：0.0347秒） [XML]
Temporarily switch working copy to a specific Git commit
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Restrict varchar() column to specific values?
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Useful example of a shutdown hook in Java?
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How to create an array of 20 random bytes?
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quick random row selection in Postgres
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Check this link out for some different options.
http://www.depesz.com/index.php/2007/09/16/my-thoughts-on-getting-random-row/
Update: (A.Hatchkins)
The summary of the (very) long article is as follows.
The author lists four approaches:
1) ORDER BY random() LIMIT 1; -- slow
...
How do .gitignore exclusion rules actually work?
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How to output MySQL query results in CSV format?
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From http://www.tech-recipes.com/rx/1475/save-mysql-query-results-into-a-text-or-csv-file/
SELECT order_id,product_name,qty
FROM orders
WHERE foo = 'bar'
INTO OUTFILE '/var/lib/mysql-files/orders.csv'
FIELDS TERMINATED BY ','
ENCLOSED B...
PostgreSQL create table if not exists
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How to do Mercurial's 'hg remove' for all missing files?
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What version of Visual Studio is Python on my computer compiled with?
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