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Performance Of The Sql Merge Vs Insertupdate | AutoTraffic

Performance of the SQL MERGE vs. INSERT/UPDATE

As I wrote while exploring A Hazard of Using the SQL Merge Statement, I love MERGE because I think it is the greatest thing to happen to SQL querying since sliced bread. Clearly people have been doing ... read more

Performance of MERGE statements

Has anyone analyzed the performance of a MERGE statement vs ... Set up your two test scripts that differ only in their use of MERGE vs. INSERT/UPDATE, and run them separately with SQL trace enabled. I... read more

The Importance of the Relational System Catalog

Data manipulation language SQL (SELECT, INSERT, UPDATE, MERGE, DELETE) statements use the system catalog ... and setup of the system catalog will have an impact on the overall performance of the DBMS. ... read more

When Databases Meet FPGA: Achieving 1 Million TPS With X-DB Heterogeneous Computing

For X-Engine, handling of normal user requests is similar to that of LSM-tree-based storage engines: A user submits a request to operate on a specified KV pair (Get/Insert/Update/Delete ... 40% of thr... read more

Synchronizing two MS SQL tables using MERGE Statement

MERGE statement was introduced in SQL 2008 which allows ... Then execute INSERT, UPDATE and DELETE statements to have the records in sync. This is very much doable with complex scripts and a bit of pe... read more

10 more common mistakes Java developers make when writing SQL

Anyway, the common mistakes I listed previously are far from complete, so I will treat you to a sequel of 10 subtly less common, yet equally interesting mistakes Java developers make when writing SQL ... read more

Exploiting SQL Server 2008 Through Code

IntelliSense in SQL Server 2008 works largely as it does in VS, providing you with a list of objects ... [Click on image for larger view.] The MERGE statement lets you insert, update and delete data i... read more

SSIS SCD vs MERGE Statement – Performance Comparison

the requirements and the datasets I’m working on I think I’ll stick with MERGE for now….. :) NOTE: This was done on SQL Server 2008R2 Developer Edition running on Windows 7 Ultimate, not sure if SQL S... read more

Retrieving Data with ADO.NET

VS 2008 ships ... to select, insert, update, and delete data. The DataAdapter object runs these commands automatically. The DataSet is an in-memory representation of the data, and like the DataReader ... read more

MySQL vs. MariaDB: Default Configuration Differences

In this blog post, I’ll discuss some of the MySQL and MariaDB default configuration differences, focusing on MySQL ... several variances that not only affect query performance but also how you write S... read more

Separation of metadata and data: Building a cloud native warehouse, Part 3

Below, we will review how metadata is handled in a traditional database vs dataxu’s cloud warehouse ... to ensure the best possible query performance. In a traditional database, we are comfortable wit... read more

SQL Server stored procedures supercharged in recent, upcoming versions

They accept input parameters, return output parameters and perform operations including SELECT, INSERT, UPDATE ... T-SQL statement. With the appropriate indexes on joined tables, you’ll gain increased ... read more
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