先是数据插入,有以下两种语句:第一种语句:insert into 表名(字段名1,字段名2,...); values(值1,值2,...); 第二种语句:insert into 表名 values(值1,值2,...); 列如给这学生表插入一条数据,如果给全部插入,就可以用第二种语句来插入,如果是有要求插入哪个字段,就用第一种语句 浏览一下数据,刷新...
新增:insert into test.dept values('1106', 'aaaaa', '9002', 9); 删除:delete test.dept where department_id='1106'; MERGE语法:使用merge into 语法可以合并update 和insert 语句 merge into test.t1 using test.t12 on (test.t1.c1=test.t12.c3) when MATCHED THEN update set test.t1.c2=test.t...
1)修改配置项 IDENTITY_INSERT 根据报错提示:“仅当指定列列表,且SET IDENTITY_INSERT为ON时,才能对自增列赋值” 。 语法如下: set IDENTITY_INSERT 表名 ON; insert into 表名(列名,...,列名)values (值,...,值); 本案例中,修改配置的SQL语句如下: SETIDENTITY_INSERT"PRODUCTION"."PRODUCT_CATEGORY"ON;...
--创建测试表 create table t1(id number,name varchar2(20)); create table t2(id number,name varchar2(20)); insert into t1 values(1,'A'); insert into t1 values(1,'B'); insert into t2 values(1,'XXXX'); commit; --问题SQL merge into t2 using t1 on t1.id=t2.id when matched ...
nCallAlertingTime,nCallConnectTime,nCallEndTime,nReleaseCause,nRecorderFlag,strConfId)values('%s',...
INSERT INTO student (id, name, age, sex) VALUES (2, '李四', 20, '男'), (3, '王五', 22, '女'), (4, '赵六', 19, '男'); 二、删除数据 1.删除表中所有数据 DELETE FROM 表名; 例如: DELETE FROM student; 2.删除表中指定条件的数据 DELETE FROM 表名 WHERE 条件; 例如: DELETE ...
8.插入数据:insert into表名(列名1,列名2) values (值1,值2); 9.更新数据:update表名set列名=更新值where条件; 10.删除数据:delete from表名where条件; 11.查询所有数据:select * from表名; 12.查询指定列的数据:select列名1,列名2 from表名; 13.查询满足条件的数据:select * from表名where条件; 14....
– 插入数据:INSERT INTO table_name (column1, column2, column3, …) VALUES (value1, value2, value3, …); – 查询数据:SELECT * FROM table_name WHERE condition; – 更新数据:UPDATE table_name SET column1=value1, column2=value2, … WHERE condition; ...
(ID, LOGIN, PASSWORD_HASH, FIRST_NAME, LAST_NAME, EMAIL, IMAGE_URL, ACTIVATED, LANG_KEY, ACTIVATION_KEY, RESET_KEY, CREATED_BY, CREATED_DATE, RESET_DATE, LAST_MODIFIED_BY, LAST_MODIFIED_DATE, TS, MOBILE, TENANT_ID, SYS_TENANT_ID, DESKTOP) VALUES('eaefa353-cab0-4465-b1a6-7745c85...
CREATETABLETEST5(IDINT);CREATETABLETEST6(IDINT);CREATETABLETEST7(IDINT);CREATETABLETEST8(IDINT);insertintotest5values(3);insertintotest6values(4);insertintotest7selectlevel%100fromdualconnectbylevel<10000;insertintotest8selectlevel%100fromdualconnectbylevel<10000; ...