what does means in sql - PrivacyWall

https://www.w3schools.com/sql/sql_operators.asp

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SQL Operators - W3Schools

SQL Compound Operators. Operator Description += Add equals-= Subtract equals *= Multiply equals /= Divide equals %= Modulo equals &= Bitwise AND equals ^-= Bitwise exclusive equals |*= Bitwise OR equals: SQL Logical Operators. Operator Description Example; ALL: TRUE if all of the subquery values meet the condition: Try it : AND: TRUE if all the conditions separated by AND is TRUE: Try it: ANY ...

https://stackoverflow.com/questions/38662318/what-does-mean-in-sq...

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What does * mean in sql? - Stack Overflow

So, in a SELECT statement, writing * is the same of listing all the columns the entity has. Here you can find probably the best tutorial for SQL learning. I am providing you answer by seperating each part of code. SELECT == It orders the computer to include or select each content from the database name (table ) .

https://www.sisense.com/blog/sql-symbol-cheatsheet/

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SQL cheat sheet & query syntax - Sisense

SQL is one of the analyst’s most powerful tools. In SQL Superstar, we give you actionable advice to help you get the most out of this versatile language and create beautiful, effective queries. When you are new to programming in SQL, you will come across a lot of hard-to-search-for character operators.

https://learn.microsoft.com/en-us/sql/t-sql/language-elements/ope...

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Operators (Transact-SQL) - SQL Server | Microsoft Learn

An operator is a symbol specifying an action that is performed on one or more expressions.

https://www.theknowledgeacademy.com/blog/sql-operators/

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SQL Operators: A Complete Guide (With Examples) - The Knowledge Academy

SQL Operators refer to the diverse set of symbols and keywords used to perform various operations on data in relational databases. These operators include arithmetic, comparison, logical, bitwise, unary, assignment, membership, NULL-safe equality, and concatenation operators, each serving specific purposes in crafting efficient SQL queries.

https://dba.stackexchange.com/questions/188044/what-does-in-this-...

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sql server - What does % in this WHERE clause do? - Database ...

Returns the remainder of one number divided by another. % in SQL can be used in two different formats. If it's used in a string with LIKE then it's a wild card, for example: That would mean find everything in col_name which has the word "test" in it. But in this specific operation the % symbol is being used as a modulo operator.

https://mariadb.com/kb/en/operators/

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Operators - MariaDB Knowledge Base

Operators can be used for comparing values or for assigning values. There are several operators and they may be used in different SQL statements and clauses. Some can be used somewhat on their own, not within an SQL statement clause.

https://www.databasestar.com/sql-operators/

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SQL Operators: The Complete Guide - Database Star

SQL operators are symbols and keywords that are used to compare data. They are commonly used in the WHERE clause of a query. If you’ve learnt about the WHERE clause (which is used to filter your results to match a criteria), you would have learnt a little about operators. The equals sign = is an operator, which means “is equal to”.

https://www.w3schools.com/postgresql/postgresql_operators.php

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PostgreSQL Operators - W3Schools

The IN operator is used when a column's value matches any of the values in a list: Return all records where the brand is present in this list: ('Volvo', 'Mercedes', 'Ford'): The BETWEEN operator is used to check if a column's value is between a specified range of values: Return all records where the year is between 1970 and 1980:

https://stackoverflow.com/questions/19855497/what-does-angle-brac...

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What does <> (angle brackets) mean in MS-SQL Server?

<> operator means not equal to in MS SQL. It compares two expressions (a comparison operator). When you compare nonnull expressions, the result is TRUE if the left operand is not equal to the right operand; otherwise, the result is FALSE. If either or both operands are NULL, see the topic SET ANSI_NULLS (Transact-SQL). See here : Not Equal To.

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