In this SQL Server tip, Arthur Fuller explains the effects of NULLs, and the different results obtained by inner and outer JOINs. SQL Server developers must understand two things: the difference ...

pre-commit is a nice development tool to automatize the binding of pre-commit hooks. After installation and configuration pre-commit will run your hooks before you commit any change. CREATE OR REPLACE ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

1. The definitions in an XML document are said to be _____ when the tagging system and definitions in the DTD are all in compliance. (1) M=3; D1 displays ”12”; D2 displays ”6”; D3 displays ”12”. (2) ...

SQL is neither the fastest nor the most elegant way to talk to databases, but it is the best way we have. Here’s why Today, Structured Query Language is the standard means of manipulating and querying ...

Open_ProdOrder_Project The SQL Query keeps track of the company´s open production orders and the percentage of materials issued. It prints all open production orders throughout the company, with the ...