MariaDB 10.3

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CREATE TABLE `tic_bd_compus` (
  `id` int(10) NOT NULL,
  `cod_activo` varchar(50) CHARACTER SET utf32 COLLATE utf32_spanish2_ci DEFAULT NULL,
  `serial` varchar(100) CHARACTER SET utf32 COLLATE utf32_spanish2_ci NOT NULL,
  `centro_operacion` varchar(100) CHARACTER SET utf32 COLLATE utf32_spanish2_ci DEFAULT NULL,
  `usuario` varchar(100) CHARACTER SET utf32 COLLATE utf32_spanish2_ci NOT NULL,
  `procesador` varchar(100) CHARACTER SET utf32 COLLATE utf32_spanish2_ci DEFAULT NULL,
  `memo_ram` varchar(100) CHARACTER SET utf32 COLLATE utf32_spanish2_ci DEFAULT NULL,
  `disco_duro` varchar(100) CHARACTER SET utf32 COLLATE utf32_spanish2_ci DEFAULT NULL,
  `sis_operativo` varchar(100) CHARACTER SET utf32 COLLATE utf32_spanish2_ci DEFAULT NULL,
  `estado` tinyint(1) NOT NULL DEFAULT '1' COMMENT '1=activo 0=inactivo'
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_spanish2_ci;

INSERT INTO `tic_bd_compus` (`id`, `cod_activo`, `serial`, `centro_operacion`, `usuario`, `procesador`, `memo_ram`, `disco_duro`, `sis_operativo`, `estado`) VALUES
(1, '0028886-000', 'GXLD9L2', 'BOGOTA', 'JUAN DIAZ', 'Core i3-6006U', '9182 MB', '500 GB', 'Windows 10 Pro', 1),
(2, '0008595-000', 'MXL20208TN', 'BOGOTA', 'PEDRO GOMEZ', 'Core i3-2100', '2048 MB', '465.8 GB', 'Windows 7 Pro', 1),
(3, '0015487-000', 'S10036C9', 'MEDELLIN', 'CARLOS JIMENEZ', 'Core i3-4130', '4096 MB', '465.8 GB', 'Windows 10 Pro', 1),
(4, '0015499-000', '5CD0157H3P', 'MEDELLIN', 'ANDREA GARCIA', 'Core i5-4500U', '8192 MB', '985 GB', 'Windows 10 Pro', 1),
(5, '0009693-000', '5CM3280CSZ', 'CALI', 'MARIA LOPEZ', 'Atom D2550', '4096 MB', '465.8 GB', 'Windows 7 Pro', 1);

CREATE TABLE `tic_bd_info` (
  `id` int(11) NOT NULL,
  `serial_compu` varchar(200) COLLATE utf8_bin NOT NULL,
  `ant_centro` varchar(200) COLLATE utf8_bin NOT NULL,
  `ant_usuario` varchar(200) COLLATE utf8_bin NOT NULL,
  `nuevo_centro` varchar(200) COLLATE utf8_bin NOT NULL,
  `nuevo_usuario` varchar(200) COLLATE utf8_bin NOT NULL,
  `f_registro` datetime NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin;


ALTER TABLE `tic_bd_compus`
  ADD PRIMARY KEY (`id`),
  ADD UNIQUE KEY `serial` (`serial`),
  ADD UNIQUE KEY `cod_activo` (`cod_activo`);

ALTER TABLE `tic_bd_info`
  ADD PRIMARY KEY (`id`);

ALTER TABLE `tic_bd_compus`
  MODIFY `id` int(10) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=366;

ALTER TABLE `tic_bd_info`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=13;

Records: 5  Duplicates: 0  Warnings: 0



Records: 0  Duplicates: 0  Warnings: 0



Records: 0  Duplicates: 0  Warnings: 0



Records: 5  Duplicates: 0  Warnings: 0



Records: 0  Duplicates: 0  Warnings: 0


CREATE TRIGGER tic_bd_compus_bu BEFORE UPDATE 
ON tic_bd_compus 
FOR EACH row 
BEGIN

IF new.centro_operacion <> old.centro_operacion || new.usuario <> old.usuario THEN BEGIN

  INSERT INTO tic_bd_info 
              (
              serial_compu,
              ant_centro,
               ant_usuario, 
               nuevo_centro, 
               nuevo_usuario, 
               f_registro) 
  VALUES      (
               old.serial,
               old.centro_operacion, 
               old.usuario, 
               new.centro_operacion, 
               new.usuario,
               NOW());
               
               END;
               
 END IF;
               
 END
UPDATE `tic_bd_compus` SET usuario = 'Test' WHERE id = 1;
UPDATE `tic_bd_compus` SET procesador = 'Test' WHERE id = 2;

Rows matched: 1  Changed: 1  Warnings: 0



Rows matched: 1  Changed: 1  Warnings: 0


SELECT * FROM tic_bd_info


id
serial_compu
ant_centro
ant_usuario
nuevo_centro
nuevo_usuario
f_registro


13
GXLD9L2
BOGOTA
JUAN DIAZ
BOGOTA
Test
2022-11-29 19:46:53