sql batch select

ado| Access | The interaction between the data ado.net application and the underlying data source is based on a dual architecture with a two-way channel. You can use individual provider-specific commands or batch update procedures to access the data

SUN provides a set of database access specifications (that is, a set of interfaces) and protocol standards for database connection, then various database manufacturers follow SUN's specifications to provide a set of APIs to access their own database

SQL Server Batch processing (Batch Requests/sec) high tracking processing, batchrequests Recent observations showed that the number of Batch processing Requests per second (Batch Requests/sec) of a database often increased for a long time, several

  Method 1. Official example As we all know, it is also a method that many opponents of the LINQ to SQL think is inefficient. NorthwinddatacontextDB =NewNorthwinddatacontext();VaRCustomers = dB. Customers. Where (C => C. customerid. startswith

Next, consider the following T-SQL code snippet: -- dbo.someTable will be used to populate a temp table-- subsequently.create table dbo.someTable (a int not null, b int not null)godeclare @i intset @i = 1while (@i begin　　insert into dbo.someTable

The bulk collect clause will batch retrieve the results, that is, bind the result set to a collection variable at a time, and send the results from the SQL engine to the PL/SQL engine. Generally,Use bulk collect in the fetch into and returning into

osql/u alma/p/I Stores.bat (Stores.bat contains the update, DELETE statement, but no go is required) ---------------------------------------------------- osql Utility Tool The osql utility allows you to enter Transact-SQL statements, system

Original address: http://www.cnblogs.com/lyhabc/p/3367274.htmlBefore reading this article, you can read the following article firstSQL Server's unique task scheduling algorithm "Sqlos"Task Scheduler for SQL Server Sqlos [go]Translated

35. use SQL query analyzer and SQL profilerUse SQL query AnalyzerUse SQL profilerOptimize T-SQL statementSummaryIn this chapter, we will continue with the description of the pre-stored procedures in Chapter 21st. This chapter describes how to use

We have introduced two methods for batch data deletion (cursor form and SQL stored procedure), as well as the methods for batch data deletion of database tables. For more information, see. We have introduced two methods for batch data deletion