使用sp_execute_external_script存储过程运行 R 脚本时,将@parallel参数设置为1。 如果你的 R 脚本不使用具有其他处理机制的 RevoScaleR 函数,则这是最佳方法。 如果脚本使用 RevoScaleR 函数(通常以“rx”作为前缀),则会自动执行并行处理,并且不需要显式地将@parallel设置为1。
EXECUTEsp_execute_external_script @language= N'R', @script = N' df1 <- as.data.frame( array(1:6) ); df2 <- as.data.frame( c( InputDataSet , df1 )); OutputDataSet <- df2', @input_data_1 = N' SELECT [Col1] from RTestData;'WITHRESULTSETS(( [Col2]intnotnull, [Col3...
pop()); }); </script>sql.js calls will always be asynchronous.AlaSQL works in the console - CLIThe node module ships with an alasql command-line tool:$ npm install -g alasql ## install the module globally $ alasql -h ## shows usage information $ alasql "SET @data = @[{a:'1',...
script for the specified shell config Modify sqlconfig files using subcommands like "sqlcmd config use-context mssql" create Install/Create SQL Server, Azure SQL, and Tools delete Uninstall/Delete the current context help Help about any command open Open tools (e.g ADS) for current context ...
数据服务支持通过脚本模式来生成API,脚本模式可使用基础SQL或高级SQL语法编写查询逻辑。其中,高级SQL涵盖了Mybatis语法的常见标签类型(例如,if、choose、when、otherwise、trim、foreach、where),您可以借助标签语法来灵活实现空值校验、多值遍历、动态查表、动态排序及聚合等复杂查询逻辑。
2301 Enable advanced decision support optimizations that are specific to decision support queries. This option applies to decision support processing of large data sets.Scope: Global or session or query (QUERYTRACEON). 2312 Sets the Query Optimizer cardinality estimation model to SQL Server 2014 (12...
数据服务支持通过脚本模式来生成API,脚本模式可使用基础SQL或高级SQL语法编写查询逻辑。其中,高级SQL涵盖了Mybatis语法的常见标签类型(例如,if、choose、when、otherwise、trim、foreach、where),您可以借助标签语法来灵活实现空值校验、多值遍历、动态查表、动态排序及聚合等复杂查询逻辑。
Create-ImportSubscriptionDataSP.sql– creates a stored procedure to import the data transformed by Transform-SubscriptionDataForStore.ps1. Run this script once on the SQL server after you have created the database schema using Create-StoreSubscriptionsDB-2016.sql. ...
必须先启用 ad hoc distributed queries 服务器配置选项(如以下示例所示),然后才能运行分布式查询。 有关详细信息,请参阅即席分布式查询服务器配置选项。 sp_configure 'show advanced options', 1; RECONFIGURE; GO sp_configure 'Ad Hoc Distributed Queries', 1; ...
However, when generating a script for the recommendation, you only see each action once. In the following example, you can see how many distinct actions there are for this set of recommendations. SELECT 'Action Count', COUNT(DISTINCT action_id) cnt FROM USER_ADVISOR_ACTIONS WHERE task_name ...