定义变量保存全部小程序的门店Id,定义变量名称为applet_depot_id
WITH applet_depot_id AS (SELECT depot_id FROM "X6_ARCHIVES_GLS"."A_PARTNER_DEPOT" WHERE extand_property_three='1')使用变量名称
SELECT depot_id FROM applet_depot_id
with同时创建多个变量
WITH
cte1 AS (
SELECT last_name FROM employees WHERE department_id = 20
),
cte2 AS (
SELECT salary FROM employees WHERE department_id = 30
)
SELECT COUNT(*) INTO v_count FROM employees WHERE last_name IN (SELECT last_name FROM cte1) AND salary IN (SELECT salary FROM cte2); public class test { public static void main(String[] args) { &...
(1).final 修饰符通常和 static 修饰符一起使用来创建类常量。(2).父类中的 final 方法可以被子类继承,但是不能被子类重写,声明 final 方法的主要目的是防止该方法的内容被修改。public class Member {  ...
Java5 引入了一种主要用于数组的增强型 for 循环,类似js中的for inpublic class Member { public static void main(String[]&...
java stringBuffer(1).stringBuffer和stringBuilder区别stringBuffer是线程安全的,stringBuilder速度更快(2).简单的stringBuffer例子StringBuffer sBuffer = new&nb...
(1).java获取当前日期时间Date date = new Date(); System.out.println(date.toString());输出Fri Jul 02 10:29:55 CST 2021(2).java获取时间戳秒/毫秒D...
System.out.println("当前时间戳(秒): " + System.currentTimeMillis()/1000); System.out.println("当前时间戳(毫秒): " +&nb...