select * from Afull outer join Bon A.key = B.keywhere A.key is NULLor B.key is NULL; 自然连接实例: CREATE TABLE A (B VARCHAR(20), C integer);CREATE TABLE B (B VARCHAR(20), D integer);INSERT INTO A(B,C) VALUES('b1',5);INSERT INTO A(B,C) VALUES('b1',6);INSERT INTO ...
"status"int(11)NOTNULLDEFAULT1, "sort"decimal(16,2)NOTNULLDEFAULT0.00,PRIMARYKEY ("id") )WITHOUTROWID;-- --- Records of sys_user-- ---INSERTINTO"sys_user"VALUES(1,1,'lxw',123456,'李兴武','2019-01-07 11:22:30',0,1);INSERTINTO"sys_user"VALUES(2,1,'lwq',123456,'浏览器','...
LAST_INSERT_ROWID() return 0 because there are no rows inserted into any tables in the current database connection. Now, let’s insert a new student and run the function LAST_INSERT_ROWID() again after the insert statement, like this: INSERT INTO Students VALUES(11, 'guru', 1, '1998-...
对于INSERT和UPDATE,关键词"ON CONFLICT"由"OR"替代,这样语法显得自然。例如,不用写"INSERT ON CONFLICT IGNORE"而是"INSERT OR IGNORE".二者表示相同的意思。 ON CONFLICT子句定义了解决约束冲突的算法。有五个选择:ROLLBACK, ABORT, FAIL, IGNORE, 和REPLACE.缺省方案是ABORT.选项含义如下: ROLLBACK 当发生约束冲...
executeSql('INSERT INTO DemoTable VALUES (?,?)', ['Betty', 202]); }, function(error) { console.log('Transaction ERROR: ' + error.message); }, function() { console.log('Populated database OK'); }); or using numbered parameters as documented in https://www.sqlite.org/c3ref/bind...
Note: if we need to insert a new user with specified id call storage.replace(user); instead of insert.Next let's get our user by id.try{ auto user = storage.get<User>(insertedId); cout << "user = " << user.firstName << " " << user.lastName << endl; }catch(std::system_...
class func insertBatch(models:[ASModel])throws ; Save method. Insert or Update. Insert if id == nil. Update if id != nil. func save() throws; eg: let u = Users() u.name = "Kevin" try! u.save() var products = [Product]() for i in 1 ..< 8 { let p = Product() p....
3. 插入:insert 刚刚我们知道了怎么调用 sqlite3 的C/C++的API函数接口,下面我们看看怎么在C语言中向数据库插入数据。 好的,我们现编辑一段c代码,取名为 insert.c // name: insert.c // This prog is used to test C/C++ API for sqlite3 .It is very simple,ha ! // Author : zieckey All right...
{not:{or:[{deleted:true},{deleted:{isNull:true}}];}}// transforms to: WHERE NOT ( user_deleted = 1 OR user_deleted IS NULL ) Furthermore, it is also possible to define parts of the query as sql expression, or replace the complete where-object with a sql where-clause: ...
INSERT INSTEAD INTERSECT INTO IS ISNULL JOIN KEY LEFT LIKE LIMIT MATCH NATURAL NO NOT NOTNULL NULL OF OFFSET ON OR ORDER OUTER PLAN PRAGMA PRIMARY QUERY RAISE RECURSIVE REFERENCES REGEXP REINDEX RELEASE RENAME REPLACE RESTRICT RIGHT ROLLBACK ROW SAVEPOINT SELECT SET TABLE TEMP TEMPORARY THEN TO ...