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Showing entries 1 to 10 of 204 10 Older Entries

Displaying posts with tag: Pythian (reset)

Log Buffer #430: A Carnival of the Vanities for DBAs
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This Log Buffer Edition cuts through the crowd and picks some of the outstanding blog posts from Oracle, SQL Server and MySQL.


Oracle:

  • Continuous Delivery (CD) is a software engineering approach in which teams keep producing valuable software in short cycles and ensure that the software can be reliably released at any time.
  • Query existing HBase tables with SQL using Apache Phoenix.

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Log Buffer #429: A Carnival of the Vanities for DBAs
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This Log Buffer Edition gathers a wide sample of blogs and then purifies the best ones from Oracle, SQL Server and MySQL.

Oracle:

  • If you take a look at the “alter user” command in the old 9i documentation, you’ll see this: DEFAULT ROLE Clause.
  • There’s been an interesting recent discussion on the OTN Database forum regarding “Index blank blocks …
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Log Buffer #428: A Carnival of the Vanities for DBAs
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The Log Buffer Edition once again is sparkling with some gems, hand-picked from Oracle, SQL Server and MySQL.

Oracle:

  • Oracle GoldenGate 12.1.2.1.1  is now certified with Unity 14.10.  With this certification, customers can use Oracle GoldenGate to deliver data to Teradata Unity which can then automate the distribution of data to multiple Teradata databases.
  • How do I change …
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Log Buffer #427: A Carnival of the Vanities for DBAs
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This Log Buffer Edition covers various blog posts from the last week regarding Oracle, SQL Server and MySQL.

Oracle:

  • Merging Overlapping Date Ranges with MATCH_RECOGNIZE
  • The latest version of Enterprise Manager, EM 12.1.0.5, has been announced!
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Log Buffer #426: A Carnival of the Vanities for DBAs
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This Log Buffer edition transcends beyond ordinary and loop in few of the very good blog posts from Oracle, SQL Server and MySQL.


Oracle:

  • Variable selection also known as feature or attribute selection is an important technique for data mining and predictive analytics.
  • The Oracle Utilities SDK V4.3.0.0.2 has been released and is available from My Oracle Support for download.
  • This …

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Part 1: How to Effectively Use a Performance Schema
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Performance Schema (PS) has been the subject of many, many recent discussions, presentations, and articles.  After its release in MySQL 5.7, PS has become the main actor for people who want to take the further steps in MySQL monitoring. At the same time, it has become clear that Oracle intends to make PS powerful with so many features and new instrumentation that old-style monitoring will begin to look like obsolete tools from the Stone Age.

This article will explain PS and provide guidance on what needs to be done in order to use it effectively.

What I am not going to do is to dig into specific performance issues or address polemics about what PS …

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Log Buffer #425: A Carnival of the Vanities for DBAs
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This Log Buffer edition sheds light on the ongoing innovations and updates in the SQL Server, MySQL and Oracle realms.


Oracle:

  • Warning: standby redo logs not configured for thread – BUG
  • SLOB 2.3 is soon to be released. This version has a lot of new, important features but also a significant amount of tuning in the data loading kit.
  • Even in the …

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Making Existing SQLPLUS Scripts 12c and Container DB (PDB) Compatible
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Oracle 12c introduces new catalog features including CDB_ dictionary views (which include a CON_ID column) superseding the DBA_ views that most DBA sqlplus scripts are based upon.

However, existing DBA sqlplus scripts can easily be modified using just a few simple sqlplus techniques to be compatible with 11g, as well as all types of 12c databases including legacy and container databases.

The following simple SQL and sqlplus techniques can be used to make a “universal script” that is compatible with all versions.

Illustrating the Issue

Let’s say for sake of example that we have a simple 10g/11g monitoring script that’s …

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Log Buffer #424: A Carnival of the Vanities for DBAs
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This Log Buffer Edition covers various valuable blog posts from the fields of Oracle, SQL Server and MySQL.

Oracle:

  • Oracle Big Data Appliance X5-2 with Big Data SQL for the DBA.
  • Loading, Updating and Deleting From HBase Tables using HiveQL and Python.
  • In keeping with the …
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Log Buffer #423: A Carnival of the Vanities for DBAs
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This Log Buffer edition covers Oracle, SQL Server and MySQL blog posts from all over the blogosphere!


Oracle:

Hey DBAs:  You know you can  install and run Oracle Database 12c on different platforms, but if you install it on an Oracle Solaris 11 zone, you can take additional advantages.

Here is a video with Oracle VP of Global Hardware Systems Harish …


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Showing entries 1 to 10 of 204 10 Older Entries

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