Specifies that the join order indicated by the query syntax is preserved during query optimization. Using FORCE ORDER doesn't affect possible role reversal behavior of the Query Optimizer. FORCE ORDER preserves the join order specified in the query, which might improve the performance or...
<sql-query > <load-collection alias="emp" role="Person.employments"/> SELECT {emp.*} FROM EMPLOYMENT emp WHERE EMPLOYER = :id ORDER BY STARTDATE ASC, EMPLOYEE ASC </sql-query> 你甚至还可以定义一个实体装载器,它通过连接抓取装载一个集合: <sql-query > <return alias="pers" class="Person...
Specifies that the join order indicated by the query syntax is preserved during query optimization. Using FORCE ORDER doesn't affect possible role reversal behavior of the Query Optimizer. FORCE ORDER preserves the join order specified in the query, which might improve the performance or consistency...
Specifies that the join order indicated by the query syntax is preserved during query optimization. UsingFORCE ORDERdoesn't affect possible role reversal behavior of the Query Optimizer. FORCE ORDERpreserves the join order specified in...
foreach (var item in roleList) { Console.WriteLine(item.Title); } 2.ExecuteSqlCommand,执行Sql操作处理 QLLB_SWXContext _Context = new QLLB_SWXContext(); //执行数据操作sql,返回受影响的行数 string sql = "update Sys_Role set SortValue=1 ;"; ...
You are granted query permissions on specific data sources in the DataAnalysis service. Your account is added as a member of the workspace, and the Data Analyst, Model Designer, Develop, O&M, Workspace Administrator, or Workspace Owner role is assigned to the member. For more information, see...
Built-in functions that are considered foldable by SQL Server, including CAST and CONVERT. Generally, an intrinsic function is foldable if it is a function of its inputs only and not other contextual information, such as SET options, language settings, database options, and encryption...
传入对象-对象属性为null默认不生成sql语句 不传入对象-需要自己写condition语句 condition=true,才把后面的SQL添加 /*** * 对象中属性为null则不生成sql语句 */ @Test public void selectByObjectWrapper() { User whereUser = new User(); whereUser.setName("刘雨红"); whereUser.setAge(32); QueryWrapper...
Sometimes you may need to use a raw expression in a query. These expressions will be injected into the query as strings, so be careful not to create any SQL injection points! To create a raw expression, you may use the DB::raw method:...
On Azure SQL DatabaseBasic,S0, andS1service objectives, and for databases inelastic pools, theserver adminaccount, theMicrosoft Entra adminaccount, or membership in the##MS_ServerStateReader##server roleis required. On all other SQL Database service objectives, either theVIEW DATABASE STATEpermission...