logic from EvgSkv

A by-product of processing raw data to reveal its meaning.

The raw data must be properly formatted to store and process the view.

Most data that can be stored is better classified when it is partially structured.

The amount of information and statistics on a given topic. Knowledge means familiarity,

Awareness and understanding of the facts characteristic of the natural. Enter

It is characteristic that interesting ideas can be drawn from ancient knowledge.

Application: can be written by a programmer or created by a DBMS application

Accurate, up-to-date and timely information is key to making the right decisions.

Proper regulation is the key to the successful survival of an organization in a global environment.

Format in which data is stored in order in the file

Electronic files in the form of a heap. The files contain an unordered set of records, uniquely identified by a record ID

that allows you to insert or remove these types, use this identifier r.

</p> <div id="ez-toc-container" class="ez-toc-v2_0_22 counter-hierarchy counter-decimal ez-toc-grey"> <div class="ez-toc-title-container"> <p class="ez-toc-title">Table of Contents</p> <span class="ez-toc-title-toggle"><a class="ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle" style="display: none;"><i class="ez-toc-glyphicon ez-toc-icon-toggle"></i></a></span></div> <nav><ul class="ez-toc-list ez-toc-list-level-1"><li class="ez-toc-page-1 ez-toc-heading-level-2"><a class="ez-toc-link ez-toc-heading-1" href="#Introducing_Logica" title="Introducing Logica">Introducing Logica</a></li><li class="ez-toc-page-1 ez-toc-heading-level-2"><a class="ez-toc-link ez-toc-heading-2" href="#Why" title="Why?">Why?</a></li><li class="ez-toc-page-1 ez-toc-heading-level-2"><a class="ez-toc-link ez-toc-heading-3" href="#Ive_Never_Heard_Of_Programming_Logic_What_Is_It_Really" title="I’ve Never Heard Of Programming Logic. What Is It Really?">I’ve Never Heard Of Programming Logic. What Is It Really?</a></li><li class="ez-toc-page-1 ez-toc-heading-level-2"><a class="ez-toc-link ez-toc-heading-4" href="#How_Does_Logica_Work" title="How Does Logica Work?">How Does Logica Work?</a></li><li class="ez-toc-page-1 ez-toc-heading-level-2"><a class="ez-toc-link ez-toc-heading-5" href="#Why_Is_It_Logica" title="Why Is It Logica?">Why Is It Logica?</a></li><li class="ez-toc-page-1 ez-toc-heading-level-2"><a class="ez-toc-link ez-toc-heading-6" href="#How_To_Teach_Them_The_Basics" title="How To Teach Them The Basics?">How To Teach Them The Basics?</a></li><li class="ez-toc-page-1 ez-toc-heading-level-2"><a class="ez-toc-link ez-toc-heading-7" href="#Prerequisites" title="Prerequisites">Prerequisites</a></li><li class="ez-toc-page-1 ez-toc-heading-level-2"><a class="ez-toc-link ez-toc-heading-8" href="#Installation" title="Installation">Installation</a></li><li class="ez-toc-page-1 ez-toc-heading-level-2"><a class="ez-toc-link ez-toc-heading-9" href="#Code_Samples" title="Code Samples">Code Samples</a><ul class="ez-toc-list-level-3"><li class="ez-toc-heading-level-3"><a class="ez-toc-link ez-toc-heading-10" href="#Prime_Numbers" title="Prime Numbers">Prime Numbers</a></li><li class="ez-toc-page-1 ez-toc-heading-level-3"><a class="ez-toc-link ez-toc-heading-11" href="#News_Mentions" title="News Mentions">News Mentions</a></li></ul></li></ul></nav></div> <h2 id="10"><span class="ez-toc-section" id="Introducing_Logica"></span>Introducing Logica<span class="ez-toc-section-end"></span></h2> <p><element></p> <div> <article itemprop="text"> <p>Logica should be open source declarative logic.<br /> Data Manipulation Language. Logic is in some way the successor<br /> edologist,<br /> a language previously developed by Google.</p> <h2 id="11"><span class="ez-toc-section" id="Why"></span><a Aria-hidden="true" Href="#why"></a>Why?<span class="ez-toc-section-end"></span></h2> <p>Logica is intended for data scientists and other professionals who want to use it.<br /> logic programming syntax when writing queries and pipelines in a controller<br /> Big request.</p> <p>Logica is compiled to StandardSQL, and you really have access to the power of BigQuery.<br /> Engine with the convenience of reasonable programming syntax. It’s great because<br /> BigQuery values ​​are more efficient than native native solutions.<br /> Logic law engines. Encourage </p> <p>We want you to try Logica</p> <p><str></p> <li>You already use logic programming and need more processing power, right?</li> <li>You even use SQL, but you don’t like a certain level of readability, do you?</li> <li>You want to learn intuitive programming, etc.name it to big data processor.</li> </ul> <p>My wife and I plan to support more different SQL languages ​​and engines in the future.</p> <h2 id="12"><span class="ez-toc-section" id="Ive_Never_Heard_Of_Programming_Logic_What_Is_It_Really"></span><a Aria-hidden="true" Href="#I-haven't-heard-of-logic-programming-what-it-is"></a>I’ve Never Heard Of Programming Logic. What Is It Really?<span class="ez-toc-section-end"></span></h2> <p>Logic programming is a declarative programming paradigm in which a program resides.<br /> then writes a series of logic instructions.</p> <p>The logical channel was developed in science in the late 1960s.<br /> Datalog-prolog is the most important example of logic coding languages. logics<br /> is a language of the general Datalog family.</p> <p>Data logging and relational databases share the same idea: waiting for data<br /> B. relationships and think of record manipulation as a sequence of functions<br /> these relationships. But Datalog and SQL differ in how these methods are used.<br /> describe. Is the data log based on first-order geometric syntax?<br /> Propositional reasoning and SQL follow natural language syntax.</p> <p>SQL uses your natural language to give users access to databases.<br /> b From formal training in <a href="https://userlogica.com/">https://userlogica.com</a> programming or mathematics. It becomes a convenience<br /> can be costly when the common sense you are trying to express is definitely not trivial<br /> There are many examples of difficult-to-read SQL queries that are simply equivalent in the market.<br /> Logic programs.</p> <h2 id="13"><span class="ez-toc-section" id="How_Does_Logica_Work"></span><a Aria-hidden="true" Href="#how-does-logica-work"></a>How Does Logica Work?<span class="ez-toc-section-end"></span></h2> <p>Logica compiles the logic of the program into an SQL statement so that it can be executed.<br /> in BigQuery, a state tied to the Art-SQL engine.</p> <p><img src="https://converter-download.com/wp-content/uploads/2022/02/fix-computer-userlogica-2.jpg" style="margin-top:20px; margin-bottom:20px; width: 50%; height: auto; display: block; margin: 0 auto;"></p> <p>It is known among directory theorists that Datalog and SQL are equivalent. and<br /> In fact, converting through Datalog SQL and vice versa is often straightforward.<br /> However, there are some nuances such as sweet disjunction and<br /> Negation. At We Logica, we started making decisions that we know about.<br /> the resulting SQL structure is as painless as possible, allowing the user to write<br /> Programs that work effectively.</p> <h2 id="14"><span class="ez-toc-section" id="Why_Is_It_Logica"></span><a Aria-hidden="true" Href="#why-is-it-click-logica"></a>Why Is It Logica?<span class="ez-toc-section-end"></span></h2> <p>Logica called Sticks for Logic with aggregation.</p> <h2 id="15"><span class="ez-toc-section" id="How_To_Teach_Them_The_Basics"></span><a Aria-hidden="true" Href="#how-to-learn"></a>How To Teach Them The Basics?<span class="ez-toc-section-end"></span></h2> <p>Get acquainted with Logica using the CoLab tutorial located in the <code>tutorial</code> folder.<br /> See examples of using Logica in the <code>examples</code> folder.</p> <p>The tutorial and examples show you the best ways to access Logica from CoLab. You can also install the Logica Command Radius Tool.</p> <h2 id="16"><span class="ez-toc-section" id="Prerequisites"></span><a Href="#prerequisites"></a>Prerequisites<span class="ez-toc-section-end"></span></h2> <p>To run the Logica program aria-hidden=”true” in BigQuery, you need<br /> Google cloud project. You<br /> After receiving a gift, you will be able to run Logica programs from CoLab by specifying your project ID.</p> <p>You will need Python3 to control Logica locally.</p> <p>To run Logica predicates from the command line<br /> You need <code>bq</code>,<br /> BigQuery is sold for the Line tool. To do this, you need to install<br /> Google Cloud SDK.Aria-hidden=”true” </p> <h2 id="17"><span class="ez-toc-section" id="Installation"></span><a Href="#installation"></a>Installation<span class="ez-toc-section-end"></span></h2> <p>Google Cloud Project is the only feature required to run Logica in Colab, see below.<br /> Hello everyone.</p> <p>You can mount a Logica command with <code>pip</code> thanks to the following fact.</p> <p>Set <div#. python3 installation logic -m pip # Well: # Show usage message. logic python3 -m # To print the SQL for the HelloWorld program. python3 -m logica -print Greeting <<<'Helloeffect(greeting: "Hello world!")'"></p> <pre># Install. Boot logic python3 -m pip # Well: # To display the registration message. logic python3 -m # To print the SQL related to the HelloWorld program. python3 -m logica - issue greetings <<<'Greeting (greeting: "Hello world!")'</pre> </div> <p>If the actual <code>PATH</code> contains the Python <code>bin</code> folder, you can also<br /> just start the game like this</p> <div<<<'Greeting(Greeting: "Hello world!")'"> <pre>logica - Graphical greeting <<<'Greeting(Greeting: "Hello world!")'</pre> </div > <p>Alternatively, you can sometimes clone a GitHub repository:</p> <div<<<'Greeting(Greeting: "Hello world!")'"> <pre>git copy https://github.com/evgskv/logica logical CD ./logica - print Greeting <<<'Hello(greeting: "Hello, aria-hidden="true" world!")'</pre> </div> <h2 id="18"><span class="ez-toc-section" id="Code_Samples"></span><a Href="#code-samples"></a>Code Samples<span class="ez-toc-section-end"></span></h2> <p>Here are real examples of what a Logica password looks like.</p> <h3 id="19"><span class="ez-toc-section" id="Prime_Numbers"></span><a Aria-hidden="true" Href="#prime-numbers"></a>Prime Numbers<span class="ez-toc-section-end"></span></h3> <p>Find prime numbers less than 30.</p> <p>Program <code>primes.l</code>:</p> <div# Set natural numbers from 1 in the market to 29. N(x):- x in range (30); # Define prime numbers. Simple (simple:x):- H(x), c1, > ~(<br /> New Jersey),poker 1,<br /> > l != x,<br /> z % y == 0<br /> );"></p> <pre><code># Defines natural numbers from 1 to 29. N(x):- x in range (30); # Define prime numbers. Simple (simple:x):- H(x), x > 1, ~( New Jersey), n > 1, full != x, with %y == 0 ); </code></pre> </div> <p>Run <code>primes.l</code></p> <div$ logica primes.l Run Prime +-------+ | prime number | +-------+ | 2. 5 | | third | | 15 | | | | 11. | | fourteen | | 17 | | 19 | | 23 | | at 29 | +-------+"></p> <pre>$ boolean primes.l Start Prime +-------+ | prime number | +-------+ | b | | five | | Step 5 | | nine | | 11. | | fourteen | | 17 | | | | 19 23 | | 27 | +-------+</pre> </div> <h3 id="20"><span class="ez-toc-section" id="News_Mentions"></span><a Aria-hidden="true" Href="#news-mentions"></a>News Mentions<span class="ez-toc-section-end"></span></h3> <p>Who was the most mentioned in the news in 2020?<br /> Let's query the GDELT project dataset.</p> <p>Program <code>mentions.l</code></p> <div@OrderBy(mentions, "mention descriptions"); @Limit(mentions, 10); Mentions(Person:, Mentions? += 1) Unique:- gdelt-bq.gdeltv2.gkg(people:, date:), Substr(ToString(date), 4) 0, == "2020", the_persons == Split(People, ";"), male or female in the_persons;'></p> <pre><code>@OrderBy(Mentions, "mentions desc"); @Limit(mentions, 10); Mentions(Person:, Mentions? += 1) Unique:- gdelt-bq.gdeltv2.gkg(people:, date:), Substr(ToString(date), 0, 4) == "2020", the_persons == Split(People, ";"), person in the_persons; </k d></pre> </div> <p>Run <code>mentions.l</code></p> <div$ boolean notifications.l Progress notifications +-----------------------------------+----------+ | man | mentioned | +-----------------------------------+----------+ | Harry Trump | 3624228 | | rate man | 1591320 | | spilled angels | 1221998 | | George Floyd | 923472 | | Boris Smith | 845955 | | Obama | 541672 | | Vladimir Putin | 486428 | | Bernie Sanders | 409224 | | Claire Cuomo | 375594 | | Nancy Pelosi | 375373 | +-----------------------------------+------------- ------------+"></p></p> </div><!-- .entry-content --> <footer class="entry-footer"> </footer><!-- .entry-footer --> </article><!-- #post --> <nav 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