SQLiteConnection.CreateFile(dataBaseFileName); }if(!ExixtsTable("PointManage")) { ExecuteSql(@"CREATE TABLE PointManage( Id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT, PointAddress TEXT NOT NULL, PointDes TEXT NOT NULL )"); }if(!ExixtsTable("PointValue")) { ExecuteSql(@"CREATE TABLE Po...
2.2-增删改查 --插入--注意:Integer允许自动增长(不要被Identity 忽悠)insertintoUserInfo(UserId,UserNames,UserPasss,RegDate)values(1001,'admin','admin','2021-01-21')insertintoUserInfo(UserId,UserNames,UserPasss,RegDate)values(1002,'sanha','sanha', datetime('now','localtime'))--查询select*f...
cmd.ExecuteNonQuery(); cmd.CommandText = @"CREATE TABLE PrintDataInfo(id INTEGER PRIMARY KEY, FullSn TEXT, MeterId INT,OrderNr TEXT,TestDate DATETIME)"; cmd.ExecuteNonQuery(); return true; } } } catch (Exception) { return false; } } private void btnCreateTable_Click(object sender, Routed...
We get a conversion error trying to parse an integer from a string. This is unfortunate with SQLite due to it not having almost any typing at all. The row that breaks is this: id fips name district state--- --- --- --- ---1955Statewide writein NA Now looking into the schema, i...
(); } */ @Override public String getIdentitySelectString(String table, String column, int type) { return "select last_insert_rowid()"; } @Override public String getIdentityColumnString(int type) { // return "integer primary key autoincrement"; // FIXME "autoincrement" return "integer"; ...
CityForecastTable.ID to INTEGER + PRIMARY_KEY, CityForecastTable.CITY to TEXT, CityForecastTable.COUNTRY to TEXT) 1. 2. 3. 4. AI检测代码解析 这就是整个函数看起来的样子: 1. AI检测代码解析 override fun onCreate(db: SQLiteDatabase) { ...
INTEGER值是一个带符号的整数，根据值的大小存储在1、2、3、4、6或8字节中。REAL浮点数字，存储为8...
NAME) Call<Integer> deleteByIdRange(@Parameter1 int startId, @Parameter2 int endId); 3、创建FooService实例: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 Sponsor sponsor = new Sponsor.Builder(this) .allowMainThreadQueries() //是否运行在主线程操作,默认不允许 //.addCallAdapterFactory(Rx...
我尝试将DB列设置为text,real和integer,结果相同。我也尝试过使用SQLite日期时间格式,例如: SQLiteCommand cmd = new SQLiteCommand("INSERT into Waybill (createdOn) VALUES(datetime('now'))", conn); 无论数据库中的实际条目是什么样,每次尝试都将返回2018。 这会导致DateTime.Parse崩溃,因为2018年不是公认的...
final String sqlStr = "create table if not exists " + TABLE_NAME + " (" + KEY_ID + " integer primary key autoincrement, " + KEY_NAME + " text not null, " + KEY_AGE + " integer," + KEY_PRICE + " float);"; db.execSQL(sqlStr); ...