logical operators in sql syntax - PrivacyWall

https://www.postgresql.org/docs/current/functions-logical.html

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PostgreSQL: Documentation: 17: 9.1. Logical Operators

The usual logical operators are available: boolean AND boolean → boolean boolean OR boolean → boolean NOT boolean → boolean. SQL uses a three-valued logic system with true, false, and null, which represents “ unknown ”.Observe the following truth tables:

https://intellipaat.com/blog/tutorial/sql-tutorial/sql-operators/

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SQL Operators - AND, OR, NOT with Examples - Intellipaat

NOT Operator in SQL and its syntax; Watch this Operators in SQL video. How to Impose Conditions using SQL Operators? As in the earlier Where clause section, we saw how one condition is passed. But when there are multiple conditions applied to a table to filter the data, the operators are used. There are two conditions: first, the age should be ...

https://sqlite.org/lang_expr.html

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SQL Language Expressions - SQLite

If an application-defined SQL function named "regexp" is added at run-time, then the "X REGEXP Y" operator will be implemented as a call to "regexp(Y,X)". The MATCH operator is a special syntax for the match() application-defined function. The default match() function implementation raises an exception and is not really useful for anything.

https://www.geeksforgeeks.org/cte-in-sql/

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CTE in SQL - GeeksforGeeks

SQL Logical Operators are essential tools used to test the truth of conditions in SQL queries. They return boolean values such as TRUE, FALSE, or UNKNOWN, making them invaluable for filtering, retrieving, or manipulating data. ... The SQL INSERT INTO statement is one of the most commonly used commands for adding new data into a table in a ...

https://cloud.google.com/spanner/docs/reference/standard-sql/func...

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Functions (alphabetical) in GoogleSQL | Spanner | Google Cloud

Attempts to convert a JSON value to a SQL BOOL value. LAX_FLOAT64: Attempts to convert a JSON value to a SQL FLOAT64 value. LAX_INT64: Attempts to convert a JSON value to a SQL INT64 value. LAX_STRING: Attempts to convert a JSON value to a SQL STRING value. LCASE: Alias for LOWER. LEAST: Gets the least value among X1,...,XN. LENGTH

https://stackoverflow.com/questions/21526504/how-to-use-ternary-o...

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How to use ternary operator in SQL Server 2008?

SQL query: SELECT * FROM Account WHERE (type <>100000002 ? ... How can I declare a Boolean parameter in SQL statement? 0. expression of non-boolean type. 2. SQL check for NULLs in WHERE clause (ternary operator?) ... Is there a ternary conditional operator in T-SQL? 1. How to use IF Else in SQL Server. 0. Using Logical Operators inside NULLIF ...

https://www.postgresql.org/docs/current/functions.html

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Chapter 9. Functions and Operators - PostgreSQL

PostgreSQL provides a large number of functions and operators for the built-in data types. This chapter describes most of them, although additional special-purpose functions appear in relevant sections of the manual. Users can also define their own functions and operators, as described in Part V.The psql commands \df and \do can be used to list all available functions and operators, respectively.

https://www.geeksforgeeks.org/sql-select-query/

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SQL SELECT Query - GeeksforGeeks

In this article, we will learn about the IN operator in SQL by understanding its syntax and examples.IN Operat. 4 min read. SQL NOT Operator The SQL NOT Operator is a logical operator used to negate or reverse the result of a condition in SQL queries. It is commonly used with the WHERE clause to filter records that do not meet a specified ...

https://www.postgresql.org/docs/current/sql-syntax.html

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PostgreSQL: Documentation: 17: Chapter 4. SQL Syntax

This chapter describes the syntax of SQL. It forms the foundation for understanding the following chapters which will go into detail about how SQL commands are applied to define and modify data. We also advise users who are already familiar with SQL to read this chapter carefully because it contains several rules and concepts that are ...

https://www.geeksforgeeks.org/sql-wildcard-operators/

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SQL Wildcard Characters - GeeksforGeeks

Example of SQL Wildcard Characters. ... We will explore the SQL NOT EQUAL operator, including its syntax, use. 4 min read. SQL IS NULL The SQL IS NULL operator is a logical operator used to identify and filter out rows with NULL values in a column. A NULL value represents missing or undefined data in a database.

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Searches related to logical operators in sql syntax

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