## Not run: ### Example 1 ### # etl1 - reads from and write directly to the database etl1 <- function() { # The query to get the data qq <- "select top 10000 ArrDelay,CRSDepTime,DayOfWeek from AirlineDemoSmall" # The connection string conStr <- paste("Driver={ODBC Driver 13...
存储过程(proc 或 procedure) 存储过程(Stored Procedure),计算机用语,是一组为了完成特定功能的SQL语句集,是利用SQL Server所提供的Transact-SQL语言所编写的程序。经编译后存储在数据库中。存储过程是数据库中的一个重要对象,用户通过指定存储过程的名字并给出参数(如果该存储过程带有参数)来执行它。存储过程是由流...
SQL_PROCEDURE_TERM 1.0 包含过程数据源供应商名称的字符串;例如,“database procedure”、“stored procedure”、“procedure”、“package”或“stored query”。 SQL_PROCEDURES 1.0 字符串:如果数据源支持过程,并且驱动程序支持 ODBC 过程调用语法,则为“Y”;否则为“N”。 SQL_QUOTED_IDENTIFIER_CASE 2.0 SQLUSM...
Change the database name and stored procedure name to reference the database and stored procedure that you want. This query leverages OBJECT_ID and OBJECT_DEFINITION to identify the object by its three-part name. SQL Kopiraj USE AdventureWorks2022; GO SELECT OBJECT_DEFINITION ...
Query to get the Text of all the Stored Procedures SELECT Text AS StoredProcedureTexts FROM SysComments WHERE ID IN ( SELECT Id FROM SysObjects WHERE XType = 'P' } Query to get the Text of all the Views SELECT Text AS ViewTexts
對於SqlClient,「備妥」的執行和「直接」執行之間沒有差別。 使用具有CommandType = CommandType.StoredProcedure的 SqlCommand 來執行預存程序。 SqlClient 不支援備妥的 RPC 程序呼叫。 SqlClient 不支援針對原生編譯預存程序所傳回結果集而擷取其僅限結構描述的資訊 (中繼資料探索) (CommandType.SchemaOnly)。
A function to be called each time a response is received from the server while performing the requested operation. May be called multiple times. TypeScript Copy onResponse?: RawResponseCallback Property Value RawResponseCallback Inherited From coreClient.OperationOptions.onResponse...
By default, a procedure compiles the first time it's executed, and creates an execution plan that is reused for subsequent executions. Since the query processor doesn't have to create a new plan, it typically takes less time to process the procedure. ...
So if you have an SQL query that you write over and over again, save it as a stored procedure, and then just call it to execute it. You can also pass parameters to a stored procedure, so that the stored procedure can act based on the parameter value(s) that is passed. ...
View definition View dependencies OLE automation objects in T-SQL Tables Track changes Triggers User-defined functions Views XML data Development Internals & architecture Installation Migrate & load data Manage, monitor, & tune Query data Reporting & Analytics ...