SQL ERROR: query=( SELECT 'common' AS book_type, pbs.book_section_id, pbs.snippet, b.id AS book_id, b.name AS book_name, b.year AS book_year, b.series AS book_series, b.link as book_link, b.litres_link, ba.id AS author_id, ba.name AS author_name, ba.link as author_link, bst.pid as pid, bs.link as section_link FROM kartaslov.phrases p JOIN kartaslov.phrase_book_section pbs ON pbs.phrase_id = p.id AND pbs.book_type = 'common' JOIN kartaslov.books b ON b.id = pbs.book_id JOIN kartaslov.book_authors ba ON ba.id = b.author_id JOIN kartaslov.book_section_text bst ON bst.id = pbs.book_section_text_id JOIN kartaslov.book_sections bs ON bs.id = bst.book_section_id WHERE p.phrase = ? LIMIT 0, 3 ) UNION ALL ( SELECT 'classic' AS book_type, pbs.book_section_id, pbs.snippet, cb.id AS book_id, cb.name AS book_name, cb.year AS book_year, cb.series AS book_series, cb.link as book_link, NULL AS litres_link, cba.id AS author_id, cba.name AS author_name, cba.link AS author_link, cbst.pid as pid, cbs.link as section_link FROM kartaslov.phrases p JOIN kartaslov.phrase_book_section pbs ON pbs.phrase_id = p.id AND pbs.book_type = 'classic' JOIN kartaslov.classic_books cb ON cb.id = pbs.book_id JOIN kartaslov.classic_book_authors cba ON cba.id = cb.author_id JOIN kartaslov.classic_book_section_text cbst ON cbst.id = pbs.book_section_text_id JOIN kartaslov.classic_book_sections cbs ON cbs.id = cbst.book_section_id WHERE p.phrase = ? LIMIT 0, 3 ); err=Unknown column 'pbs.book_section_id' in 'SELECT' SQL_ERR Mysql var — significato, sinonimi e risultati principali di Google/Yandex
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mysql var

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1 dev.mysql.com /doc/refman/8.1/en/u...
URL completo
https://dev.mysql.com/doc/refman/8.1/en/user-variables.html
Titolo
MySQL 8.4 Reference Manual
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MySQL 8.4 Reference Manual
User variables can be assigned a value from a limited set of data types
3 mysql.ru /docs/man/show_varia...
URL completo
https://mysql.ru/docs/man/show_variables.html
Titolo
4.5.6.4 show variables
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4.5.6.4 show variables
Команда SHOW VARIABLES отображает значения некоторых системных переменных MySQL . Такую же информацию можно получить и при помощи команды mysqladmin variables . ...
4 stackoverflow.com /questions/11754781/...
URL completo
https://stackoverflow.com/questions/11754781/how-to-declare-a-variable-in-mysql
Titolo
How to declare a variable in MySQL?
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How to declare a variable in MySQL?
You can initialize a variable using SET or SELECT statement
5 mysqltutorial.org /mysql-basics/mysql-...
URL completo
https://mysqltutorial.org/mysql-basics/mysql-variables/
Titolo
MySQL Variables
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MySQL Variables
In this tutorial, you will learn how to use MySQL user-defined variables in SQL statements.
7 proxysql.com /documentation/globa...
URL completo
https://proxysql.com/documentation/global-variables/mysql-variables/
Titolo
MySQL Variables
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MySQL Variables
31 июл. 2025 г. — Comprehensive documentation on ProxySQL global MySQL variables for efficient database configuration and management.
8 five.co /blog/how-to-declare...
URL completo
https://five.co/blog/how-to-declare-a-variable-in-mysql/
Titolo
How to Declare a Variable in MySQL - Five
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How to Declare a Variable in MySQL - Five
16 авг. 2024 г. — To declare a variable in MySQL, you can use the DECLARE statement. The basic syntax for declaring a variable is as follows
9 tutorialspoint.com /mysql/mysql-variabl...
URL completo
https://tutorialspoint.com/mysql/mysql-variables.htm
Titolo
MySQL Variables
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MySQL Variables
Variables in MySQL. The main purpose of a variable is to label a memory location(s) and store data in it so that it can be used throughout the program. The ...
11 learning.oreilly.com /library/view/mysql-...
URL completo
https://learning.oreilly.com/library/view/mysql-cookbook/0596001452/ch01s15.html
Titolo
Using SQL Variables in Queries - MySQL Cookbook [Book]
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Using SQL Variables in Queries - MySQL Cookbook [Book]
As of MySQL 3.23.6, you can assign a value returned by a SELECT statement to a variable , then refer to the variable later in your mysql session.
13 releem.com /blog/digging-into-m...
URL completo
https://releem.com/blog/digging-into-mysql-variables
Titolo
Beyond the Basics
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Beyond the Basics
14 февр. 2025 г. — MySQL variables are fundamental tools for overseeing and enhancing the efficiency of your MySQL servers. They allow for flexible query ...
14 blog.devart.com /mysql-variables.htm...
URL completo
https://blog.devart.com/mysql-variables.html
Titolo
MySQL Variables – Definition and Examples
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MySQL Variables – Definition and Examples
24 нояб. 2022 г. — MySQL variables store data, label data, and let developers create more accurate and efficient code by turning long and complicated strings of characters into ...

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