[Android.Runtime.Register("executeQuery", "(Ljava/lang/String;)Ljava/sql/ResultSet;", "GetExecuteQuery_Ljava_lang_String_Handler:Java.Sql.IStatementInvoker, Mono.Android, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null")] public Java.Sql.IResultSet? ExecuteQuery(string? sql); 参数 sql ...
在EFCore中执行Sql语句的方法为:FromSql与ExecuteSqlCommand;在EF6中的为SqlQuery与ExecuteSqlCommand,而FromSql和SqlQuery有很大区别,FromSql返回值为IQueryable,因此为延迟加载的,可以与Linq扩展方法配合使用,但是有不少的坑(EFCore版本为1.1.0),直接执行Sql语句的建议不要使用FromSql,但是EFCore中并没有提供SqlQuery...
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 ;"; int count = _Context.Database.ExecuteSqlCommand(sql); Console.WriteLine(count); 3.自定义SqlQuery,执行列表查询,在上...
((stmt . getmoreresults()= = false)& &(stmt . getupdatecount()= = =-1)) 下边的编码演试了一种方式,用以确定根据启用execute方式转化成的全部結果集和升级记数早已被浏览: stmt . execute(query stringwithinunknown results); while(true){ 0 int RowCount = stmt . GetupdateCount(); If (rowCount ...
-- Execute a stored procedure or function[ {EXEC|EXECUTE} ] { [ @return_status= ] {module_name| @module_name_var} [ [ @parameter = ] { value | @variable [OUTPUT] | [DEFAULT] } ] [ ,...n ] [WITHRECOMPILE] } [ ; ]-- Execute a character string{EXEC|EXECUTE} ( { @string...
(); // 编写SQL查询语句 String sql = "SELECT * FROM users"; // 执行查询语句 rs = stmt.executeQuery(sql); // 处理查询结果 while (rs.next()) { int id = rs.getInt("id"); String name = rs.getString("name"); String email = rs.getString("email"); System.out.println("ID: "...
ExecuteScalarAsync ExecuteXmlReader ExecuteXmlReaderAsync Prepare ResetCommandTimeout Events Explicit Interface Implementations SqlCommandBuilder SqlConnection SqlConnectionStringBuilder SqlCredential SqlDataAdapter SqlDataReader SqlDependency SqlError SqlErrorCollection ...
compliance on a schedule. I'll double back to security in a moment. First let's look at the basics of the ExecuteSql() function. Here's the function signature: Variant ExecuteSql(string returnType, string sqlQuery) Here are the arguments:...
If you do not know ahead of time whether the SQL statement will be a SELECT or an UPDATE/INSERT, then you can use the execute(String SQL) method. This method will return true if the SQL query was a SELECT, or false if it was an UPDATE, INSERT, or DELETE statement. If the ...
{ LOGIN | USER } = ' name 'per cambiare il contesto di esecuzione di un'istruzione dinamica. Se il cambio di contesto viene specificato comeEXECUTE ('string') AS <context_specification>, la durata del cambio di contesto è limitata all'ambito della query in fase di esecuzione. Per ...