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PL/SQL Feed

Oracle PL/SQL (Procedural Language/Structured Query Language) resources, news, and support articles.

Refresh Multiple Materialized Views in One Go: No Data Found

To refresh multiple Materialized Views you can use the DBMS_MVIEW package, with the procedure aptly named Refresh. One method is to provide a comma-separated list of Materialized View names, or you can use an DBMS_UTILITY.UNCL_ARRAY to achieve the same objective.
When using the latter method, I stumbled upon this oddity (which is not in the current documentation, or at least I couldn't find it).

SQL Brainteasers: Guess the Card Game

In celebration of my trip to Vegas last week, here’s clues to card games in SQL form:

MySQL OCP Exams

Planning out my year, I decided to take the Oracle OCP and MySQL OCP exams.

Add zsh to Fedora

One of my students requested an option to the bash shell. It was interesting to hear that he wanted me to instal the zsh in my Fedora image.

#C15LV Collaborate’15 updates!!

Hi All, Last week, I registered my presence at Collaborate’15 in Las Vegas as a speaker, attendee and at Oracle demo booth duty.

Oracle Cleanup a Schema

Back in January 2014, I wrote a script to cleanup an Oracle student schema. It worked well until I started using APEX 4 in my student schema. You create the following 75 objects when you create an APEX 4 schema.

Ruby Thin Web Server

Somebody suggested that I try out thin, “A fast and very simple Ruby web server.” So, I thought it might be interesting to test, and a simplification over Rails to demonstrate an small Ruby MVC pattern.

Installing thin seemed straight forward as a gem installation, like

Find a string in files

From time to time, folks ask questions about how to solve common problems in Linux or Unix. Today, the question is: “How do I find a list of files that contain a specific string?” There are two alternatives with the find command, and the following sample searches look for files that contain a sqlite3 string literal.

Ruby-MySQL Columns

Last week I posted how to configure and test Ruby and MySQL. Somebody asked me how to handle a dynamic list of columns. So, here’s a quick little program to show how to read the list of column:

Java-MySQL Program

It turns out that configuring Perl wasn’t the last step for my student instance. It appears that I neglected to configure my student instance to support Java connectivity to MySQL. This post reviews the configuration of Java to run programs against MySQL. It also covers the new syntax on how you register a DriverManager, and avoid Java compilation errors with the older syntax.

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