concat in mysql as code example

Example 1: concat in mysql

CONCAT (string1, string2,…)

Example 2: laravel get query in normal sql without bindings

/**
 * Combines SQL and its bindings
 *
 * @param \Eloquent $query
 * @return string
 */
public static function getEloquentSqlWithBindings($query)
{
    return vsprintf(str_replace('?', '%s', $query->toSql()), collect($query->getBindings())->map(function ($binding) {
        $binding = addslashes($binding);
        return is_numeric($binding) ? $binding : "'{$binding}'";
    })->toArray());
}

Example 3: define a variable in mysql from select

SELECT salary INTO @variable1 FROM employee_info WHERE emp_id = 12345678 LIMIT 1;
SELECT salary, salary_group INTO @var1, @var2 FROM employee_info WHERE emp_id = 12345678;

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