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SQL UNION Operator
SQL UNION Operator
The SQL UNION operator combines two or more SELECT statements. The SQL UNION Operator The UNION operator is used to combine the result-set of two or more SELECT statements. Notice that each SELECT...
Found in app SQL Reference
SQL Reference
(670 total ratings on Google Play)
A4DROID / Books
Downloads: 50.0k
(670 total ratings on Google Play)


SQL Reference will help you to understand the basics of SQL and become familiar with the advanced level. Content of the handbook is divided into four categories:
- Basics
- Advanced
- Functions
- Articles

The description of each function includes some examples with comments.
Reference is also shown major differences of the syntax of the various databases: MySQL, SQL Server, Oracle, Access.

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Полуночные колокола
Found in app фильмы онлайн TVZavr.ru
Они познакомились в новогоднюю ночь. Как только он вошел, ей показалось, что она знает его очень давно. Они пили шампанское и танцевали под красивую музыку и звон полуночных колоколов. А потом пошли...
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Found in app SQL Reference
NULL values represent missing unknown data. By default, a table column can hold NULL values. This chapter will explain the IS NULL and IS NOT NULL operators. SQL NULL Values If a column in a table is...
Ottoman cuisine refers to the cuisine of the capital—Istanbul, and the regional capital cities, where the melting pot of cultures created a common cuisine that all the populations enjoyed. This...
Christmas tree in a cup
Found in app Coffeemania — coffee recipes
In this lesson you will learn how to draw a tree in a cup of coffee. At first take the scissors and paper. We will cut a stencil. Bend the sheet in half and cut out a tree a little smaller than the...
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Tricks to make the color of fire.
Found in app Learn Photoshop Pro
1. Make a new layer with a black background. 2. If you do not have a brush fire, please download it on google. 3. Use white color. 4. Go to Image-Adjustments-Color Balance 5. First select Highlight...
DOWNLOAD Learn Photoshop Pro
European tree frog
Found in app Frogs
Hyla arborea Location in Europe (except Britain, Ireland, Spain and Portugal), northwest Africa, and temperate Asia to Japan. Size 35-60 mm Live up to 22 years Diet Variety of small arthropods such as...