Now that the database is ready, the next step I am going to perform is to apply the MERGE statement and try to get both the tables to synchronize with each other. The first operation that we are trying to see is how to manage the INSERTs. You can copy and paste the below SQL code...
As MERGE statement in SQL, as discussed before in theprevious post, is the combination of threeINSERT,DELETEandUPDATEstatements. So if there is aSource tableand aTarget tablethat are to be merged, then with the help of MERGE statement, all the three operations (INSERT, UPDATE, DELETE) can ...
FL 500The MERGE statement updates a target (a table or view) using data from a source (the result of a table reference or the specified input data). Rows in the target that match the input data can be deleted or updated as specified, and rows that do not
GO-- Rewrite the procedure to perform the same operations using the-- MERGE statement.-- Create a temporary table to hold the updated or inserted values-- from the OUTPUT clause.CREATETABLE#MyTempTable ( ExistingCodeNCHAR(3), ExistingNameNVARCHAR(50), ExistingDate DATETIME, ActionTakenNVARCHAR(...
The MERGE statement requires a semicolon (;) as a statement terminator. Error 10713 is raised when a MERGE statement is run without the terminator. When used after MERGE,@@ROWCOUNT (Transact-SQL)returns the total number of rows inserted, updated, and deleted to the client. ...
語法 public MergeStatement() .NET Framework 安全性 完全信任立即呼叫者。這個成員無法供部分信任的程式碼使用。如需詳細資訊,請參閱從部分受信任程式碼使用程式庫。 請參閱 參考 MergeStatement 類別 Microsoft.Data.Schema.ScriptDom.Sql 命名空間
What object cannot be referenced by USING? Index Which clause does not always get invoked when WHEN MATCHED is activated? DELETE where_clause Both the target of MERGE and USING must be in the same schema. FALSE It's possible to update, insert, and delete rows in the same MERGE statement....
The MERGE statement can have at most two WHEN MATCHED clauses. If two clauses are specified, then the first clause must be accompanied by an AND <search_condition> clause. For any given row, the second WHEN MATCHED clause is only applied if the first is not. If there are two WHEN MAT...
[SerializableAttribute]publicclassMergeStatement:DataModificationStatement MergeStatement 类型公开以下成员。 构造函数 名称说明 MergeStatement初始化 MergeStatement 类的新实例。 页首 属性 页首 方法 页首 线程安全 此类型的任何公共 static(在 Visual Basic 中为 Shared) 成员都是线程安全的。但不保证所有实例成员...
Conformance Rules: Without Feature F314, "MERGE statement with DELETE branch", in conforming SQL language, a <merge when matched clause> shall not immediately contain a <merge delete specification>. Microsoft SQL Server 2008 R2 varies as follows: This feature is absent from the [ISO/...