Modified Monday 22-04 07:42
A stream is: a sequence of aninfinite cardinality (size) delivered atunknown time intervals. list Streams of data user activity on a website sensor readings from devices (IOT) order delivery A table is a stream of data manipulation...
Modified Monday 22-04 07:32
Data definition language (DDL) is a data manipulation statements that manages the data dictionary of a database. The three principal commands are: CREATE, ALTER, and DROP but you can also find: TRUNCATE to remove all records from a table,...
Modified Saturday 13-04 11:56
JDBC is using URL to locate the database schema. Database URLs are strings that you specify for the value of the url property of the DataSource object. URL userNameuserPasswordencoded URL The java/sql/DriverManagergetConnection function gives the...
Created Tuesday 09-04 09:35
This article shows you how to create a form control for date element at the: day second minute and month level The control are all input control with different type value. On a Year/Month/Day level, you use the date type. Example in Pure...
Created Friday 05-04 07:25
This article shows you how to handle a email address into a form via an input element In HTML, they already have an email type in a input element. name is the name of the form variable. We choose email but it can be anything you want. Example:...
Created Saturday 23-03 06:10
This page keeps the example with class component for a input The react forms components input accept a value attribute that is used to implement a controlled component. A React form: written as a class component where the state is controlled...
Created Wednesday 20-03 08:16
Floating lists are lists that are presented to the user in a overlay They are also known as listbox popup Type Focus after rendering Dropdown Element in the list Select Element in the list Autocompletion Search box, combobox or text area...
Created Monday 18-03 10:27
This article will show you how to override/define the type of children of your react component to a specific type in your props. In this example, we have a layout component that expects only buttons as children to create a button bar. The base component...
Always keep one hand firmly on data, Amos liked to say.
Data is what set psychology apart from philosophy, and physics from metaphysics.
Developing a data warehouse means assembling a lot of subsystems in order to create a whole and coherent data application.
Discovers the 34 Kimball Subsystems and drill down to discover them
Data processing has changed a lot since 1940 :) and luckily, we are not using punch card anymore.
Stream processing is becoming the norm in data integration task while batch processing stays the king in data analysis.
ENIAC, 1946The first fully electronic digital computer
Dimensional Data Modeling permits you to model a (hyper)cube and analyse a process through different perspective. You define dimensions, measures and metrics.
Most programs process some input to produce some output; that’s pretty much the definition of computing.
A Function is the basic block of all reusable code component. It is also becoming the central component of any serverless architecture.
Knowledge isn't free. You have to pay attention.
Computing Division at the Department of the Treasury, mid 1920s
The table format (known also as a relation) is the most important data structure used in data analysis. Did you know that its name originate from the medieval counting table ?
Education isn't something you can finish.