2.使用SqlQuery在已知的实体上执行存储过程 using (var context = new MyDBContext()) { var posts = context.Posts.SqlQuery("dbo.spGetTopPosts").ToList(); } 这里的Posts必须是程序项目或者引用中已声明的实体类,ToList()是必须的,否则SQL查询将不会被执行。以上代码将执行存储过程: spGetTopPosts 3....
TROUBLESHOOTING: Attempting to query the SQL Server Browser service configuration on SQL01.Contoso.com. SQL browser response contained2instances. Verifying protocol bindings and port connectivity... SQLINSTANCE1 : Enabled - port49823is assigned and reachable through the firewall SQL2019 : Enabled - ...
'close', 'commit', 'connect', 'connect_timeout', 'cursor', 'cursorclass', 'db', 'decoders', 'encoders', 'encoding', 'escape', 'escape_string', 'get_autocommit', 'get_host_info', 'get_proto_info', 'get_server_
Usage: sqlcmd [flags] sqlcmd [command] Examples: # Install/Create, Query, Uninstall SQL Server sqlcmd create mssql --accept-eula --using https://aka.ms/AdventureWorksLT.bak sqlcmd open ads sqlcmd query "SELECT @@version" sqlcmd delete # View configuration information and connection strings...
或者说 Power Query 有没有对外提供的编程接口？ 根据我的探索，似乎没有，但在网络上找到下面的两种 ...
耗时超过30秒的SQL请求会收到服务器的超时错误信息,如果希望设置更小的超时时间,请将syncClientWaitFutureTimeoutInMillis设置为小于30000毫秒的值。如果希望对每一个Statement设置单独的超时时间,请使用setQueryTimeout方法。 配置项 示例值 说明 enableRequestCompression ...
"OS 版本"'execmaster..xp_cmdshell'wmic cpu get name,NumberOfCores,NumberOfLogicalProcessors/Format:List'#查询注册表,获取RDP端口号execmaster..xp_cmdshell'reg query HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal" "Server\WinStations\RDP-Tcp /v PortNumber'#得到PortNumberREG_DWORD0xd3d,...
getOffset()); MaterializedView 选择:会根据查询需要的列,过滤,排序和 Join 的列,行数,列数等因素选择最佳的 MaterializedView 代码语言:javascript 代码运行次数:0 运行 AI代码解释 boolean selectFailed = singleNodePlanner.selectMaterializedView(queryStmt, analyzer); 向量化执行引擎选择:基于现代CPU的特点与...
报错:ERROR: Query:[xxx] Get result failed: canceling statement due to user request 问题原因:查询被取消,通常是因为表被执行了DROP或TRUNCATE操作。 解决方法:可以通过HoloWeb Query洞察排查是否有冲突的DDL,详情请参见Query洞察。后期尽量避免Query执行过程中有DDL冲突任务。
When a custom SQL connection is performing slowly, or produces an error, it is often the result of the custom SQL wrapping that Tableau Desktop performs. For most databases, you can connect to a specific query rather than the entire data set. Because databases have slightly different SQL ...