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Displaying posts with tag: SQL Server (reset)
Log Buffer #522: A Carnival of the Vanities for DBAs

This edition of Log Buffer covers Cloud, Oracle, SQL Server and MySQL and much more.

Cloud:

Introducing managed SSL for Google App Engine

Using Cloud Foundry CUPS to inject Spring Security credentials into a Spring Boot Application

ClusterControl in the Cloud – All Our Resources

Monitoring Amazon Aurora Audit Events with Amazon CloudWatch

Integrating Teradata with Amazon …

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JOIN Elimination: An Essential Optimiser Feature for Advanced SQL Usage

The SQL language has one great advantage over procedural, object oriented, and “ordinary” functional programming languages. The fact that it is truly declarative (i.e. a 4GL / fourth generation programming language) means that a sophisticated optimiser can easily transform one SQL expression into another, equivalent SQL expression, which might be faster to execute.

How does this work?

Expression Tree Equivalence

Here’s an introduction to equivalent expression trees from my SQL Masterclass: Let’s assume we want to evaluate the following expression:

A + (A - B)

Now in maths, it can be proven trivially that by the laws of associativity, the above expression …

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Log Buffer #515: A Carnival of the Vanities for DBAs

This Log Buffer Edition covers Oracle, SQL Server and MySQL.

Oracle:

You may wish to clone an Oracle Home (for example you have all your databases on a single Oracle Home, but you want to separate Development from Test

Removing Outliers using stddev()

Installing Scala and Apache Spark on a Mac

Introduction to Oracle Big Data Cloud Service – Compute Edition (Part V) – Pig

More on …

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Log Buffer #514: A Carnival of the Vanities for DBAs

This Log Buffer Edition encompasses few of the nifty blog posts from Oracle, SQL Server and MySQL.

Oracle:

Introduction to Oracle Big Data Cloud Service

Interpreting wpad.dat using jrunscript from JDK 8 to work out the right proxy.

Nice Trick to Get ADF LOV Description Text

Presentation: Dynamic Actions, Javascript, & CSS for APEX Beginners

E4 Session …

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Log Buffer #513: A Carnival of the Vanities for DBAs

This Log Buffer Edition includes blog posts from Oracle, SQL Server and MySQL.

Oracle:

In 12.2 you can: Convert a simple table to partitioned with multi-column automatic list partitions, partially indexed, with read only segments, filtering out unwanted data, online in one operation.

12c How to UN Expire Password for CDB Users

rman auxiliary (for duplicate)

How long will Oracle APEX remain an included feature of the Oracle Database?

How to easily delete files …

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Log Buffer #511: A Carnival of the Vanities for DBAs

This Log Buffer Edition covers Oracle, SQL Server, MySQL.

Oracle:

A Sneak Peek at Oracle’s Chatbot Cloud Service and 5 Key Factors Necessary for Bot ROI

Oracle JET Hybrid – NavDrawer Template Menu/Header Structure

Oracle Enterprise Linux 6.6 AMI Available on AWS

Datascape Podcast Episode 9 – What’s Up with Oracle These Days?

Sequential Asynchronous calls in …

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Log Buffer #508: A Carnival of the Vanities for DBAs

This Log Buffer Edition covers Oracle, SQL Server and MySQL.

Oracle:

Compiling views: When the FORCE Fails You

Goldengate 12c Troubleshooting XAGENABLE

A performance Deep Dive into Tablespace Encryption

EBS Release 12 Certified with Safari 10 and MacOS Sierra 10.12

Oracle Database 12c (12.2.0.1.0) on VirtualBox

SQL Server:

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Log Buffer #507: A Carnival of the Vanities for DBAs

This Log Buffer edition covers Oracle, SQL Server and MySQL blog posts with a touch of Cloud.

Oracle:

Provisioning EBS on Oracle Cloud: Latest Enhancements

ORA-54002 when trying to create Virtual Column using REGEXP_REPLACE on Oracle 12cR2

Business rules, common sense and query performance

Problem with V$RECOVERY_AREA_USAGE view and FRA space not being reclaimed

Updated …

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Log Buffer #505: A Carnival of the Vanities for DBAs

This Log Buffer Edition searches through various blogs of Oracle, SQL Server and MySQL and picks a few contemporary ones.

Oracle:

Comma separated search and search with check-boxes in Oracle APEX

Once you have defined your users for your Express Cloud Service, all users with the role of Database Developer or higher can access the database Service Console.

Big Data Lite 4.7.0 is now available on OTN!

Install and configure Oracle HTTP Server Standalone

Can I …

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How does a relational database work

Introduction While doing my High-Performance Java Persistence training, I came to realize that it’s worth explaining how a relational database works, as otherwise, it is very difficult to grasp many transaction-related concepts like atomicity, durability, and checkpoints. In this post, I’m going to give a high-level explanation of how a relational database works internally while … Continue reading How does a relational database work →

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