大约有 520 项符合查询结果(耗时:0.0155秒) [XML]

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What does the KEY keyword mean?

...t that constraint. In practice, if you have a FK for example KEY key_name (user_id), CONSTRAINT foreign_key_constraint_name FOREIGN KEY (user_id) REFERENCES auth_user (id) then you might additionally want to specify what INDEX is used (HASH vs BTREE). This example shows KEY and INDEX aren't synonyms...
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File input 'accept' attribute - is it useful?

...s-works wdb application/vnd.ms-works wks application/vnd.ms-works wps application/winhlp hlp application/x-bcpio bcpio application/x-cdf cdf application/x-compress z application/x-compressed tgz application/x-cpio cpio application/x-csh csh application/x-director dcr application/...
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AngularJS - How to use $routeParams in generating the templateUrl?

...r. when('/', {templateUrl:'/home'}). when('/users/:user_id', { controller:UserView, templateUrl: function(params){ return '/users/view/' + params.user_id; } } ). otherwise({re...
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Warning: Null value is eliminated by an aggregate or other SET operation in Aqua Data Studio

...ULL( (select count(closed) from ticket where assigned_to = c.user_id and closed is not null group by assigned_to), 0), opencases = ISNULL( (select count(closed) from ticket where assigned_to = c.user_id and closed is null group by assigned_to), 0), ...
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How do I convert a String object into a Hash object?

...ft with an array of hashes which I then merge together. EXAMPLE INPUT: "{:user_id=>11, :blog_id=>2, :comment_id=>1}" RESULT OUTPUT: {"user_id"=>"11", "blog_id"=>"2", "comment_id"=>"1"} share | ...
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NSURLRequest setting the HTTP header

...le Code - (void)reqUserBalance:(NSString*)reward_scheme_id id:(NSString*)user_id success:(void (^)(id responseObject))success failure:(void (^)(id responseObject))failure{ NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"%@reward/%@/user/%@/balance",URL_SERVER,reward_scheme_id,u...
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Can angularjs routes have optional parameter values?

...r. when('/', {templateUrl:'/home'}). when('/users/:user_id', { controller:UserView, templateUrl: function(params){ return '/users/view/' + params.user_id; } } ). otherwise({...
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Django - How to rename a model field using South?

... old column name of the database (not the model field name), for example: "user_id" and "full_name" would be the new name you want the column to have (again, database column and not field name). So: db.rename_column('mainapp_profile', 'user_id', 'new_user_id') Also, if you're dealing with foreign ...
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schema builder laravel migrations unique on two columns

... a unique key across multiple columns. $table->unique(array('mytext', 'user_id')); or (a little neater) $table->unique(['mytext', 'user_id']); share | improve this answer | ...
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App Inventor 2 SQLite 拓展:超流行兼容主流SQL语法的迷你本地数据库引擎...

... SQLite 拓展 1.3版本更新(2025/09/24) 1.2版本更新(2025/09/15) 中文网测试案例 打开数据库 数据库信息 创建数据表 数据表信息 插入数据 更新数据 删...