Tag Archive for 'mysql'

Real-Time Charting of Electrical Sensor Data

Let’s look at how we can display real-time and historical sensor data for Household Electrical usage using sqlDashboards. The historical data is taken from the UCI Machine Learning Repository. This is a single CSV file with 1 minute readings between December 2006 and November 2010. i.e. The Sensor Data Sql Dashboard Time Series Data Format […]


I came across this interesting post on ASCII pie charts for MySQL. I thought I’d use our command line tool sqlChart todraw the database pie chart instead. [raw] c:\Program Files (x86)\TimeStored.com\sqlDashboards>mysql -s mysql -u root –password=pp -D sakila -e “SELECT * FROM (SELECT table_name,data_length + index_length AS size FROM information_schema.TABLES WHERE table_schema = ‘sakila’) a […]