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Showing entries 1 to 10 of 1410 10 Older Entries

Displaying posts with tag: Oracle (reset)

Creating PivotTables when importing MySQL data using MySQL for Excel
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In a previous blog post (Importing related MySQL tables into an Excel Data Model using MySQL for Excel) we covered in detail how an Excel Data Model can be created containing tables and their relationships so the data can be analyzed in Excel via a PivotTable. In this blog post we are going to talk about one of the features included since MySQL for Excel 1.3.0 that allows you to create PivotTables for data imported from MySQL tables, views or stored procedures, or more importantly for the whole Excel Data Model if it is created.

Remember you can install the latest GA or maintenance version using the MySQL Installer or optionally you can download directly any GA or non-GA version from the MySQL Developer Zone.

Replication from Oracle to MariaDB the simple way - Part 4
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Now it's time to get serious about replicating to MariaDB from Oracle, and we are real close now, right? What I needed was a means of keeping track of what happens in a transaction, such as a LOG table of some kind, and then an idea of applying this log to MariaDB when there is a COMMIT in Oracle. And thing is, these two don't have to be related. So I can have a table which I write to and also have a Materialized View that is refreshed on COMMIT on, and I need a log table or something. And when the Materialized View is refreshed, as there is a COMMIT, then the log can be applied. From a schematic point-of-view, it looks something like this:

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Connector/Python 2.1 with C Extension using Connector/C
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In time for Oracle OpenWorld 2014, we released Connector/Python 2.0. We also released a labs release Connector/Python 2.1 and we have a new feature: a C Extension which uses Connector/C.

This C Extension is an optional, an alternative to the pure Python MySQL Client protocol implementation. One of the reasons to implement it was to improve performance in some situations, for example, when huge result sets are returned. Pure Python is still default, if C Extension is not available.

The following post will get your through downloading and installing the MySQL Connector/Python 2.1.0 labs release.

Requirements

  • Windows users out of
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MySQL Connector/Python 2.0.1 an 1.2.3 on PyPI
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Both MySQL (http://www.mysql.com" target="_blank) Connector/Python 2.0.1 and 1.2.3 are now available through the Python Package Index or PyPI. Leaving the previous version available is probably a good idea as you can always go back if needed.

Note that we still have no files hosted at PyPI.

Replication from Oracle to MariaDB the simple way - Part 3
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In this third installment in this series, I'll explain why the smart solution I described in the previous post actually wasn't that good, and then I go on to explain how to fix it, and why that fix wasn't such a smart thing after all. So, this was the design we ended with last time:
We have Oracle replicating to a Materialized View, this to ensure that we can run triggers when the is a commit, and then triggers on this Materialized View updates MariaDB by sending a UDP message to a server that in turn is connected to MariaDB.
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New Continuent Tungsten 3.0 Combines Power of Highly Available Open Source DBMS with Real-Time Analytics
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Business Wire  Oracle Open World 2014, Booth # 430- Continuent, Inc., a leading provider of open source database clustering and replication solutions, today announced Continuent Tungsten 3.0, a powerful solution that combines advanced clustering and replication technologies to meet the transaction processing and analytic needs of the entire business. Continuent Tungsten 3.0 enables constant,
Sneak Peek: Continuent Tungsten 3.0
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Get a preview of the next advance in data management technology!  Continuent Tungsten 3.0 brings the power of advanced clustering and replication to offer data management needs for your entire business including MySQL high availability, disaster recovery, multi-master operation, and real-time data warehouse loading. With Continuent Tungsten you can apply the full power not just of MySQL but all
Relocated Connector/Python on GitHub
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We have relocated the MySQL Connector/Python repository on GitHub to the following location:

https://github.com/mysql/mysql-connector-python

The old location will redirect to the above URL.

No, we have not updated the README.txt or made something special for GitHub. I personally don’t mind what is currently showing on GitHub: it is readable, and it is correct. I still hope GitHub will make it easier to show something else, like asking which document to display and as what format.

Replication from Oracle to MariaDB the simple way - Part 2
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The theme for this series of posts is, and indicated in the previous post, "Try and try, again", and there will be more of this now when I start to make this work by playing with Oracle, with PL/SQL and with the restrictions of Oracle Express (which is the version I have available).

So, what we have right now is a way of "sending" SQL statements from Oracle to MariaDB, the question is when and how to send them from Oracle. The idea for this was then to use triggers on the Oracle tables to send the data to MariaDB, like this, assuming we are trying to replicate the orders table from Oracle to MariaDB:



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MySQL Connector/Python 2.0.1 GA
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MySQL Connector/Python v2.0 goes GA with version 2.0.1 GA. It is available for download from the MySQL Developer Zone! The previous post about 2.0 described what changed and what was added, here’s an overview:

  • Incompatibilities
    • Supported Python: 2.6 and 2.7 and 3.3 and 3.4
    • Raw Cursors Return bytearray Objects
    • LOAD LOCAL DATA INFILE On by Default
  • New features
    • New Cursors return dictionaries and named tuples
    • Options Files Support Added
  • Packaging and support files removed
  • We are on
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Showing entries 1 to 10 of 1410 10 Older Entries

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