The Horror of NOLOGGING in Oracle
Feed: Databasejournal.com – Feature Database Articles. Author: . Transactions are the lifeblood of a relational database and Oracle is no exception. The key to this concept is the ability to replay...
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Introducing the MemSQL Kubernetes Operator
Feed: MemSQL Blog. Author: Carl Sverre. Kubernetes has taken the world by storm, transforming how applications are developed, deployed, and maintained. For a time, managing stateful services with...
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Troubleshooting Data Differences in a MySQL Database Cluster
Feed: Planet MySQL; Author: Continuent; Overview The Skinny From time to time we are asked how to check whether or not there are data discrepancies between Master/Slave nodes within a MySQL (or...
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Small Files, Big Foils: Addressing the Associated Metadata and Application...
Feed: Hadoop – Cloudera Engineering Blog. Author: Shelby Khan. Small files are a common challenge in the Apache Hadoop world and when not handled with care, they can lead to a number of complications....
View ArticleAWS Glue crawlers now support existing Data Catalog tables as sources
Feed: Recent Announcements. With this release, crawlers can now take existing tables as sources, detect changes to their schema and update the table definitions, and register new partitions as new data...
View ArticleFlashback Recovery in MariaDB/MySQL Servers
Feed: Planet MySQL; Author: MyDBOPS; In this blog, we will see how to do a flashback recovery or rolling back the data in MariaDB, MySQL and Percona. As we know the saying “All humans make mistakes”,...
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Automated Refactoring of a New York Times Mainframe to AWS with Modern Systems
Feed: AWS Partner Network (APN) Blog. Author: Phil de Valence. By Michael Buzzetti, Principal Engineer at The New York TimesBy Barry Tait, Director of Modernization and Cloud Strategies at Modern...
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Percona Server for MySQL 5.7.26-29 Is Now Available
Feed: Planet MySQL; Author: MySQL Performance Blog; PREVIOUS POST Percona announces the release of Percona Server for MySQL 5.7.26-29 on May 27, 2019 (downloads are available here and from the Percona...
View ArticleMichael Paquier: Postgres 12 highlight – Table Access Methods and blackholes
Feed: Planet PostgreSQL. Postgres is very nice when it comes to extending with custom plugins, with many set of facilities available, like: After a heavy refactoring of the code, Postgres 12 ships with...
View ArticleExposing MyRocks Internals Via System Variables: Part 7, Use Case Considerations
Feed: Planet MySQL; Author: The Pythian Group; (In the previous post, Part 6, we covered Replication.) In this final blog post, we conclude our series of exploring MyRocks by taking a look at use case...
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DDL Queries on Foreign Key Columns in MySQL/PXC
Feed: Planet MySQL; Author: MySQL Performance Blog; PREVIOUS POST Recently, I received a support request where the customer wanted to convert an INTEGER column to BIGINT on two tables. These tables are...
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How pt-online-schema-change Handles Foreign Keys
Feed: Planet MySQL; Author: MySQL Performance Blog; PREVIOUS POST Foreign key related issues are very common when dealing with DDL changes in MySQL using Percona toolkit. In this blog post, I will...
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An Overview of PostgreSQL to MySQL Cross Replication
Feed: Planet MySQL; Author: Severalnines; This blog is aimed at explaining an overview of cross replication between PostgreSQL and MySQL, and further discussing the methods of configuring cross...
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An Overview of PostgreSQL & MySQL Cross Replication
Feed: Planet MySQL; Author: Severalnines; This blog is aimed at explaining an overview of cross replication between PostgreSQL and MySQL, and further discussing the methods of configuring cross...
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Percona XtraDB Cluster 5.6.44-28.34 Is Now Available
Feed: Planet MySQL; Author: MySQL Performance Blog; PREVIOUS POST Percona is glad to announce the release of Percona XtraDB Cluster 5.6.44-28.34 on June 19, 2019. Binaries are available from the...
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SQL Triggers Tutorial With Example | Triggers in SQL
Feed: Planet MySQL; Author: Krunal Lathiya; SQL Triggers Tutorial With Example | Triggers in SQL is today’s topic. SQL trigger is invoked by the database automatically when any change in the event...
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Percona XtraDB Cluster 5.7.26-31.37 Is Now Available
Feed: Planet MySQL; Author: MySQL Performance Blog; PREVIOUS POST Percona is glad to announce the release of Percona XtraDB Cluster 5.7.26-31.37 on June 26, 2019. Binaries are available from the...
View ArticleMIN/MAX Optimization and Asynchronous Global Index Maintenance
Feed: Striving for Optimal Performance. In this short post I would like to point out a non-obvious issue that one of my customers recently hit. On the one hand, it’s a typical case where the query...
View ArticleMySQL Tutorial – Learn Step by Step
Feed: Planet MySQL; Author: Meenakshi Agarwal; We bring you the best MySQL tutorial to learn all Basic to Advanced concepts step by step. This post covers all MySQL building blocks such as DDL, DML,...
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SQL Truncate Table Statement Tutorial With Example
Feed: Planet MySQL; Author: Krunal Lathiya; SQL Truncate Table Statement Tutorial With Example is today’s topic. The DROP TABLE the command deletes a table in the database. Be careful before removing a...
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