`Date_maj` = CONCAT(SUBSTRING(@StringDate_maj,7),'-',SUBSTRING(@StringDate_maj,4,2),'-',SUBSTRING(@StringDate_maj,1,2)),
`Date_deces` = CONCAT(SUBSTRING(@StringDate_deces,7),'-',SUBSTRING(@StringDate_deces,4,2),'-',SUBSTRING(@StringDate_deces,1,2));
`Date_maj` = CONCAT(SUBSTRING(@StringDate_maj,7),'-',SUBSTRING(@StringDate_maj,4,2),'-',SUBSTRING(@StringDate_maj,1,2)),
`Date_deces` = CONCAT(SUBSTRING(@StringDate_deces,7),'-',SUBSTRING(@StringDate_deces,4,2),'-',SUBSTRING(@StringDate_deces,1,2));