大约有 3,551 项符合查询结果(耗时:0.0262秒) [XML]

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Cannot add or update a child row: a foreign key constraint fails

... So I need to do to another SQL statement to get the userid from table1? – Tom Feb 15 '11 at 15:25 5 ...
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How do you see recent SVN log entries?

...t/MIGRATE A /trunk/java/App/src/database/support/MIGRATE/remove_device.sql D /trunk/java/App/src/code/test.xml share | improve this answer | follow | ...
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Extract date (yyyy/mm/dd) from a timestamp in PostgreSQL

I want to extract just the date part from a timestamp in PostgreSQL. 7 Answers 7 ...
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How to delete all the rows in a table using Eloquent?

...se Model::truncate() if you disable foreign_key_checks (I assume you use MySQL). DB::statement("SET foreign_key_checks=0"); Model::truncate(); DB::statement("SET foreign_key_checks=1"); share | im...
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Does anyone beside me just NOT get ASP.NET MVC? [closed]

...rd, if you don't care for Linq (either because you are afraid that Linq-to-SQL is going to disappear or because you find Linq-to-Entities laughably over-produced and under powered) then you also don't want to walk this path since ASP.NET MVC scaffolding tools are build around Linq (this was the kill...
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Getting a timestamp for today at midnight?

... I'm doing ORM SQL work and I had to use the DateTime object for comparisons. This is exactly what I was looking for. +1 – NobleUplift Jan 9 '15 at 23:00 ...
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How do I find duplicate values in a table in Oracle?

What's the simplest SQL statement that will return the duplicate values for a given column and the count of their occurrences in an Oracle database table? ...
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Safely remove migration In Laravel

...e if you have already run php artisan migrate, log into your phpmyadmin or SQL(whichever the case is) and in your database, delete the table created by the migration Still within your database, in the migrations folder, locate the row with that migration file name and delete the row. Works for me,...
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Converting an integer to a string in PHP

... Good point. I threw in some mysql_escape_string functions in there to clean it up. – Chris Thompson Jun 23 '09 at 23:33 6 ...
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How do I analyze a .hprof file?

...y good for finding memory leaks etc -- including running a form of limited SQL (OQL) against the in-memory objects, i.e. SELECT toString(firstName) FROM com.yourcompany.somepackage.User Totally brilliant. share ...