单选题
发布日期:2020-04-10
SELECT customer_id, customer_name FROM customers WHERE postal_code CONTAINS NULL;
SELECT customer_id, customer_name FROM customers WHER postal_code = ' ___________';
SELECT customer_id, customer_name FROM customers WHERE postal _ code IS NULL;
SELECT customer_id, customer_name FROM customers WHERE postal code IS NVL;
SELECT customer_id, customer_name FROM customers WHERE postal_code = NULL;
题王网让考试变得更简单
扫码关注题王,更多免费功能准备上线!
此试题出现在
其他考试
重大危险源的事故应急预案、评审意见、演练计划和评估报告也应该存入重大危险源档案资料中。
急性脊髓压迫症减压应在()
右侧甲状腺乳头状腺癌伴右颈淋巴结转移,治疗方案应是()
托收承付结算每笔的金额起点为1万元,新华书店系统的每笔金额起点为5000元。
城镇社区专职工作人员年满()周岁原则上不再聘用。
下列不属于汉地佛教寺院配殿建筑的是( )。
健康教育计划中需求评估的行为诊断分析内容包括( )
收涩药中能收敛止带的药物是()
产后生殖系统炎症最常见的是哪种致病菌?( )
人体各组织器官对X射线的衰减程度最大的是( )。
暂无相关推荐~
The CUSTOMERS table has these columns: CUSTOMER_ID NUMBER(4) NOT NULL CUSTOMER_N...
The CUSTOMERS table has these columns: CUSTOMER_ID NUMBER (4) NOT NULL CUSTOMER_...
The CUSTOMERS table has these columns: CUSTOMER_ID NUMBER(4) NOT NULL CUSTOMER_N...
The CUSTOMERS table has these columns: The CUSTOMER_ID column is the primary key...
The CUSTOMERS table has these columns: CUSTOMER_ID NUMBER(4) NOT NULL CUSTOMER_N...
The CUSTOMERS table has these columns: CUSTOMER_ID NUMBER(4) NOT NULL CUSTOMER_N...
The CUSTOMERS table has these columns: CUSTOMER_ID NUMBER (4) NOT NULL CUSTOMER_...
The CUSTOMERS table has these columns: CUSTOMER_ID NUMBER(4) NOT NULL CUSTOMER_N...
The CUSTOMERS table has these columns: Which statement finds the rows in the CUS...
The CUSTOMERS table has these columns: CUSTOMER_ID NUMBER(4) NOT NULL CUSTOMER_N...