This is what I have tried:But it always inserts the records instead of Update even though it belongs to same date range and CorrectPolicyNumber matches which is mentioned in my Merge statement. CREATEPROCEDURE[
The T-SQL language provides us with the@@ROWCOUNTsystem variable. This variable returns the number of rows affected by the last executed statement in the batch. In this tip, we’ll demonstrate how to use this variable and point out some caveats. Using SQL Server @@ROWCOUNT The usage of th...
You have a PK only on one table and this on an identity column.Please post table design as DDL, some sample data as DML statement and the expected result.INSERT tbl (...) SELECT ... FROM src WHERE NOT EXISTS (SELECT * FROM tbl WHERE tbl.pin...
TheUNIONoperator in SQL tells the database to merge two separate result sets retrieved through individualSELECTqueriesinto one result set that contains rows returned from both queries. Note:Databases don’t restrict the complexity of theSELECTqueries used withUNION. The data retrieval queries can incl...
Now, with the values from the Products_Info table, which is as source table by using the MERGE statement to update data to the Products table as the target table we will use this below query in SQL because the MySQL version may not support MERGE so we will write code for it also to ...
1 MERGE Persons AS Per We have typed the Persons table after the MERGE statement because it is our target table, which we want to update, and we gave Per alias to it in order to use the rest of the query. 1 USING(SELECT * FROM AddressList) AS Addr After the USING statement, ...
I have used merge statement and achieved only 1st and 3rd cases.How to achieved 2nd case. Please share your idea.Regards,VaishuAll replies (1)Friday, July 26, 2019 9:41 AMPlease check if below blog helps you:https://www.mssqltips.com/sqlservertip/2883/using-the-sql-server-merge-...
Works with: SQL Server (not MySQL, Oracle, PostgreSQL) This version of the Update statement uses a Join in the FROM clause. It’s similar to other statements like Select and allows you to retrieve the value from one table and use it as a value to update in another table. ...
SQL implementation: -- SQL - 2 select a + t.pos * d as a_n from ( select posexplode(split(space(n - 1), space(1), false)) ) t; Note: You can also use the MaxCompute (ODPS) system function sequence to generate a sequence. ...
1. You can use open source SCD merge transformation. [http://dimensionmergescd.codeplex.com/] 2. Use default SSIS provided SCD transformation. 3. You can do it with Merge join, Look...