MySQL show status - show open database connections
MySQL "show status" FAQ: Can you demonstrate how to use the MySQL show status command to show MySQL variables and MySQL status information, such as the number of open MySQL connections?I don't have a...
View ArticleMySQL syntax examples - create table, primary key, foreign key
Just a quick note here today that if you need some example MySQL database tables, you can use these. I created them for some experiments I ran last night. They show the MySQL create table, primary key,...
View Articlemysqldump error: 1044: Access denied for user ... when using LOCK TABLES
A quick note on a MySQL error: I got the following error when using mysqldump this past weekend:mysqldump: Got error: 1044: Access denied for user 'USER'@'localhost' to database 'DBNAME' when using...
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The MySQL Sakila sample database
The MySQL “Sakila” sample database can be helpful when you want to test a new application framework, or write a blog post, or book.
View ArticleA Play Framework Anorm insert method that returns the database auto-insert ID
As a quick example, if you need to see some code for a Play FrameworkAnorm method that inserts an object into a relational database table and returns the auto-into (MySQL auto_increment) ID field on...
View ArticleHow to convert from a Scala BigDecimal to Java BigDecimal
Scala FAQ: How do I convert from a Scala BigDecimal instance to a Java BigDecimal?Call the bigDecimal method on your Scala BigDecimal instance, as shown in this example in the REPL:scala> val sb =...
View ArticleThe Play Framework, MySQL, currency, decimal fields, and BigDecimal types
I’m currently working on a Play Framework server-side application that handles money/currency. (The application UI uses Sencha ExtJS, but that doesn’t matter for this example.)From past experience I...
View ArticleComplete backup scripts for my websites (Drupal, MySQL)
I’m spending a little time today trying to automate the process of backing up my websites, and in doing so I thought I would share the Linux shell scripts that I use to generate the backup files,...
View ArticleHow to connect to a MySQL database with Scala and JDBC
This is an excerpt from the Scala Cookbook (partially modified for the internet). This is Recipe 16.1, “How to connect to a MySQL database with Scala and JDBC.”ProblemYou want to connect to a MySQL...
View ArticleScala: How to connect to a SQL database with the Spring Framework
This is an excerpt from the Scala Cookbook (partially modified for the internet). This is Recipe 16.2, “How to connect to a database with the Spring Framework.”ProblemYou want to connect to a database...
View ArticleHow to use a my.cnf configuration file with MAMP/MySQL
I don’t know why, but I was unable to get MySQL under MAMP 3.5 to read a my.cnf configuration file. I put that file in all of the usual places, but it wasn’t read. Then I tried to get it to read my...
View ArticleHow to search for a string in all fields of every table in a MySQL database
This is pretty cool, if you want to search for a text string in all fields of all tables of a MySQL database, you can use phpMyAdmin to do this very easily. Here are the steps.1) Select the desired...
View ArticleHow to list MySQL database table column names without the table formatting
If you want to list all of the MySQL database table column names (field names) as a simple list of names, with each column name listed on a separate line, just follow these steps.First, start MySQL...
View ArticleHow to find all MySQL database tables that have specific column names
MySQL FAQ: How can I find all MySQL database tables that have specific column names?I found the solution on this SO page. Here’s my take on it.First, assuming that you want to copy and paste those...
View ArticleA Drupal 8 XML Sitemap generating PHP script
I’m not going to comment on the following code too much or provide support for it, but (a) if you need to create an XML Sitemap for a Drupal 8 website, and (b) you don’t like the Drupal 8 sitemap...
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