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Hace 1 día · En el caso de ejempo especifico deberia mostrarme los valores 1, 12 y 13 Intento de query sobre la misma tabla SELECT t1.id, t1.observaciones, t2.observaciones FROM datos_informe_conclusiones t1 INNER JOIN datos_informe_conclusiones t2 ON t1.id<>t2.id WHERE t1.observaciones<>t2.observaciones and t1.CODIGO_REG like 'REG23042024 151249837';
Hace 2 días · Abstract. This is the MySQL Reference Manual. It documents MySQL 8.0 through 8.0.38, as well as NDB Cluster releases based on version 8.0 of NDB through 8.0.38, respectively. It may include documentation of features of MySQL versions that have not yet been released. For information about which versions have been released, see the MySQL 8.0 ...
Hace 2 días · Permite realizar consultas y modificaciones en los datos almacenados en tablas de bases de datos. Con SQL, podemos crear nuevas tablas, modificar las existentes, insertar o eliminar datos y consultar información específica. Para empezar, es necesario tener un programa gestor de bases de datos, como MySQL, PostgreSQL o SQL Server.
Hace 5 días · In this video you will learn how to use CASE Expression in MySQL. CASE Expression are used as if-else statements in MySQL.Follow me on👇Instagram : https://...
Hace 3 días · Installing and Starting MySQL. There are different ways to install MySQL. The following covers the easiest methods for installing and starting MySQL on different platforms. Linux. The easiest way to install MySQL is to use the MySQL repositories : For Yum-based Linux distributions like Oracle Linux, Red Hat Enterprise Linux, and Fedora, follow ...
Hace 6 horas · Expected output is shown below as the id of employee1 is less than employee2. And these are grouped By Source "A". Thanks in advance. Input: Employees Table. Expected Output Table: I tried this. SELECT DISTINCT e1.employee_name AS employee1, e1.employee_name AS employee2, e2.employee_name FROM Employees e1 LEFT JOIN Employees e2 ON e1.manager ...
26 de jul. de 2023 · MySQL equal operator performs an equality comparison. Syntax: = MySQL Version: 8.0. Example: MySQL equal operator. The following MySQL statement checks if 1 is equal to 1, if 1 is equal to 2, if NULL is equal to NULL, if NULL is equal to 3 and if 3 is equal to NULL. Code: SELECT 1 = 1, 1=2,NULL = NULL, NULL=3,3= NULL; Output:
