SELECT*FROMA NOLOCK;SELECT*FROMA (NOLOCK);SELECT*FROMAWITH(NOLOCK);1、SQLServer2005版本中,只支持with(nolock)关键字2、with(nolock)的写法非常容易再指定索引3、跨数据库服务器查询语句时不能用with(nolock) 只能用nolock,同数据服务器查询时 两者都可以用SQLSer
2)的两列EN我尝试使用laravel比较两个数据类型为decimal(15,2)的列，得到错误SQL将数据类型ServerError...
通过 ConnectionFactory 里面的 make() 方法,根据情况调用不同的连接创建方法,一路向下,我们进入到 createSingleConnection() 方法中,继续前进,进入到 createPdoResolverWithHosts() 方法。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 protected function createPdoResolverWithHosts(array $config) { return ...
// Now, we're finally ready to build the final SQL query. // We'll create a common table expression with the query // and then select all of the results from it where the // row number is between oru given limit and offset. // 现在,我们终于准备好构建最终的 SQL 查询了。 // 我...
./configure--with-tdsver=8.0 --enable-msdblib 3.编译安装 [html]view plaincopy make sudo make install 4.配置 默认安装的配置文件位于/usr/local/etc,在/usr/local/etc编辑freetds.conf 文件,默认为 [html]view plaincopy # $Id: freetds.conf,v 1.12 2007/12/25 06:02:36 jklowden Exp $ ...
When creating a new Laravel application via Sail, you may use thewithquery string variable to choose which services should be configured in your new application'sdocker-compose.ymlfile. Available services includemysql,pgsql,mariadb,redis,memcached,meilisearch,minio,selenium, andmailhog: ...
Laravel is a PHP web application framework with expressive, elegant syntax. We’ve already laid the foundation — freeing you to create without sweating the small things.
use Illuminate\Database\Eloquent\Builder; /** * 修改用于检索模型的查询,使所有模型都可搜索. */ protected function makeAllSearchableUsing(Builder $query): Builder { return $query->with('author'); }添加记录一旦你将Laravel\Scout\Searchable Trait添加到模型中,你所需要做的就是保存或创建一个模型实例...
Laravel目前支持的有四类数据库,laravel中对应的名称分别为:mysql,pgsql,sqlite,sqlsrv,即MySQL、Postgres、SQLite和SQL Server;同时,laravel还支持用户算定的数据库和驱动程序。 当操作数据库的查询构造器时,可以使用类似 DB::table('users')->get();
soar soar:clear Clear the Soar log file soar:run Run Soar with the given options soar:score Get the Soar scores of the given SQL statements ... Usage example(support standard input) echo 'select * from foo; select * from bar;' | php artisan soar:score --ansi php artisan soar:score ...