Cleansing data before it is stored in a reporting database is necessary to provide value to consumers of business intelligence applications. The cleansing process usually includes deduping processes that prevent duplicate records from being reported by the system. Suppose that I am a customer of a ...
If you need to copy data into tables using a SELECT statement, consider creating the table first, and then using the INSERT INTO...SELECT statement to load the table. This method is compatible between Oracle and SQL Server, and does not require that any database option be set. This ...
Determines how long to keep alert data required to prevent duplicate alert messages when the data for the alert isn't changed. S RunningRequestsScavengerCycle Specifies how often orphaned and expired requests are canceled. This value is specified in seconds. Valid values range from 0 to maximum ...
Always use the Reporting Services Configuration Manager or the Report Server WMI provider to create or modify URL reservations for a Native mode report server. If you modify the values in the configuration file, you might corrupt the reservation, which causes server errors at run time or leave ...
The server will detect that incompatibility and it will force the driver to refresh the cache, so the application will transparently resend the query with the correctly encrypted parameter value. In such a case, caching should be disabled to prevent leaking sensitive values to the server. Setting...
FIX: Backup operation fails in a SQL Server 2008, SQL Server 2008 R2, or SQL Server 2012 database after you enable change trackingAlthough these fixes prevent duplicate key rows from continuing to appear, they don't automatically remove the duplicate rows. Without removing the d...
CREATE TABLE TestBatch (ColA INT PRIMARY KEY, ColB CHAR(3)); GO INSERT INTO TestBatch VALUES (1, 'aaa'); INSERT INTO TestBatch VALUES (2, 'bbb'); INSERT INTO TestBatch VALUES (1, 'ccc'); -- Duplicate key error. GO SELECT * FROM TestBatch; -- Returns ...
fastest method to load data in SQL Server table Fastest way to load 1 billion rows of data into MSSQL using SSIS file enumerator did not find any files File System - auto-rename duplicate file names by adding 1,2,3...at the end when moving files from one folder to the other using ...
First table is created then with ALTER TABLE syntax unique constraint is created. For more onSQL Server unique constraintplease refer to given SQL tutorial. SQL Unique Constraint can be a solution for database developers. But since I want to use SQL MERGE command to prevent duplicate data entry...
One workaround is to create a user-defined "after insert" trigger on the OlapQueryLog table in your relational database to duplicate the newly inserted rows into your own table. This table can be manually maintained as you want. For example: ...