sqlite

问题 Hi current i have code which will display the sum of records for last one hour in 10min interval. SELECT SUM(NO_OF_ADULT) AS ADULT , SUM(NO_OF_ADULT_F) AS ADULT_F , SUM(NO_OF_CHILDREN) AS CHILDREN , SUM(NO_OF_CHILDREN_F) AS CHILDREN_F , SUM(NO_OF_SENIOR_CITIZEN) AS SENIOR , SUM(NO_OF_SENIOR_CITIZEN_F) AS SENIOR_F , SUM(NO_OF_INFANT) AS INFANT , SUM(NO_OF_INFANT_F) AS INFANT_F , SUBSTR(END_TIME_OF_SERVICE, 1, 4) || '0 - ' || SUBSTR(END_TIME_OF_SERVICE, 1, 4) || '9' AS TIME_SLOT FROM CLNT

问题 I have done some operations with a file using python. Now all i have to is to create one table with two columns...one is for msgid and another is for msgstr...all msgid s should be stored in msgid column and all msgstr s should be stored in msgstr column.. I am very new to the programming world. Kindly help me. I have pasted what i had done below: fn='ru.po' f=open(fn) output=[] for line in f: if not '#' in line: output.append(line) f.close() f=open(fn,'w') f.writelines(output) f.close 回答1:

问题 public class DatabaseHandler extends SQLiteOpenHelper { // All Static variables // Database Version private static final int DATABASE_VERSION = 1; // Database Name private static final String DATABASE_NAME = "contextsManager"; // Locations table name private static final String TABLE_LOCATIONLABLES = "locationLables"; // LOCATIONLABLES Table Columns names private static final String KEY_LOCID = "loc_id"; private static final String KEY_LOCNAME = "loc_name"; public DatabaseHandler(Context

问题 I have created a form for inserting data from textbox into the database and when I run it in the browser I can see the table is created and values are inserted. I tried implementing the same using cordova and table getting created and values are not getting inserted.. Here is my coding .. document.addEventListener("deviceready", function() { var db=window.sqlitePlugin.openDatabase({name : "mydb"}); var createStatement = "CREATE TABLE IF NOT EXISTS login(id INTEGER PRIMARY KEY AUTOINCREMENT

问题 I have a model of a game that has a nullable DateTime value: public class Game { [Key] public int Id { get; set;} public virtual ICollection<PlayerGames> Players { get; set;} public DateTime StartTime { get; set; } public DateTime? EndTime { get; set; } public int? WinnersTeam { get; set; } } public class ApplicationDbContext : IdentityDbContext<ApplicationUser> { public DbSet<Game> Games { get; set; } public ApplicationDbContext(DbContextOptions<ApplicationDbContext> options) : base(options)

问题 This question is related to my previous one. You can find pretty much all the code there, with the exceptions reported here. I replaced nullable fields with int fields and where the generated code put null I put -1. In this way I managed to solve an annoying exception raised by the DbLinq code. But now I can't delete child entities! In particular, I have a patient with some addresses associated. The table PatientAddresses holds all the addresses in triplets (PatientID, Address, DomicileStatus

问题 I am getting this error, when try to execute query below query- Also I am passing the values (uname,pass) from other java class. I tried to search the data in the table for both the values ie I am using both the parameters to search the data. public boolean validate(String uname, String pass) { // TODO Auto-generated method stub // SELECT String[] columns = { "_id" }; // WHERE clause String selection = "user_name = ? AND _password"; // WHERE clause arguments String[] selectionArgs = { uname,

问题 How to connect, create DB, use it in VS08 (05 or 10 will be ok)? (Vsualy better not writting lots of code=)) need for tutorials libs blogArticles 回答1: http://sqlite.phxsoftware.com/ 回答2: Codeproject article all nicely wrapped up for you. 来源： https://stackoverflow.com/questions/1931984/c-sharp-and-sqlite-basics

问题 I have a number of EditTexts on a UI where the user inputs data. The data is saved in a SQLite database . The user can leave some of the EditTexts blank (no data entered). I confirmed in the database that the rows are blank for those EditTexts . My question is: for the integrity of the database, should I be entering a blank String (the else code shown below) for the empty EditTexts ? If so, how does entering the blank String help? Possible code for the blank EditTexts : ... et_name =

问题 I've got a table called WorkoutTable: http://postimg.org/image/8rw5t7u0n/ I've got a table called DateofWorkout: http://postimg.org/image/9tqjkyszv/be35531c/ Within the DateofWorkout Table i've got the column called 'workout_id_2' which references the column called 'workout_id' in my WorkoutTable. Basically i want to produce a table which shows the DateofWorkoutTable but instead of 'workout_id_2' i want it to show the NAMES of the workouts. According to my mock up the following SQL code does