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Conditional WHERE Clauses and Boolean Algebra

Structured Query Language (SQL) is an implementation of some core concepts in computer science, set theory, and general mathematics. Having a foundation in where SQL comes from can lead to better and ... read more

Intro to Truth Tables & Boolean Algebra

Boolean Algebra is a branch of algebra that involves bools ... The only way we can assert a conditional holds in both directions is if both p and q have the same truth value, meaning they’re both True ... read more

LAB 2.4: The WHERE Clause: Comparison and Logical Operators

This statement will only retrieve rows from the instructor table that satisfy this condition ... clause, comparison operators can be combined with the help of the logical operators AND and OR. These l... read more

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Today's Google Doodle Celebrates the Genius of Boolean Algebra

Boolean algebra, as its become known, is the branch of mathematics that operates on values of true or false — usually written as 1 or 0 —to process logical statements. In turn, it’s possible to create ... read more

SQL Filter Query on FIFA Player Data

The WHERE clause ... of some condition. To filter query results in SQL, you can use AND, OR, and NOT. AND. TRUE if all of a set of comparisons are TRUE. OR. TRUE if either of a set of comparisons is T... read more

GATE CS: Eligibility Criteria, Exam Date, Syllabus

Mean, median, mode and standard deviation. Conditional probability and Bayes theorem. Computer Science and Information Technology Section 2: Digital Logic Boolean algebra. Combinational and sequential ... read more

Predictive Analytics for Human Capital: Think Outside the Lines

For example, a powerful engine is a necessary condition for a fast car ... It is based on George Boole’s boolean algebra, a fundamental pillar of modern technology. Boole developed algebraic rules for ... read more

Using a SAS WHERE Clause for Selection Criteria

the interface view engine connects the conditions with the Boolean operator AND. By default, the SAS WHERE clause conditions are connected before the view WHERE clause conditions. For example, if a vi... read more

First Step into JavaScript — Part 3

You can even provide an alternative if the condition isn’t true, called an else clause. As we discussed ... The if statement expects a boolean, but if you pass it something that's not already ... read more

Selecting Rows: The WHERE Clause

as the not equal operator). Use the logical operators AND, OR, and NOT when you're dealing with more than one condition in a WHERE clause. The logical operators are also called Boolean operators. AND ... read more

Intro to Querying Neo4j Using OGM

A single filter is a conditional used to evaluate nodes or relationships to return as the results in a query, identical to a SQL WHERE clause. A filter is composed of a property name, a , and - if the ... read more

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