sqlite

Android Studio connect with existing SQLite database

由 无人久伴 提交于 2020-01-25 11:33:12
问题 i have one application with SQLite database and then i create another application that can connect to the database that i created one, my question is, is it possible connect the existing database without copying the existing once ? if possible can any one give me a sample code to connect my existing database . the name of my database is "SEIS" and the Table is Proinfo . 回答1: By default, each app's files are private to the app. You could tell Android that your two apps should get permission to

How to fix electron sqlite3 rebuild error ( Syntax error) on windows 10

由 女生的网名这么多〃 提交于 2020-01-25 11:25:28
问题 So I ran npm install --global windows-build-tools thing as an administrator and it said that I have successfully installed python 2.7. But then when I tried electron-rebuild -f -w sqlite3 after npm i sqlite3 it gives me this error. × Rebuild Failed An unhandled error occurred inside electron-rebuild gyp ERR! configure error gyp ERR! stack Error: Command failed: C:\Users\newub\AppData\Local\Programs\Python\Python37\python.EXE -c import sys; print "%s.%s.%s" % sys.version_info[:3]; gyp ERR!

How to fix electron sqlite3 rebuild error ( Syntax error) on windows 10

由 …衆ロ難τιáo~ 提交于 2020-01-25 11:25:25
问题 So I ran npm install --global windows-build-tools thing as an administrator and it said that I have successfully installed python 2.7. But then when I tried electron-rebuild -f -w sqlite3 after npm i sqlite3 it gives me this error. × Rebuild Failed An unhandled error occurred inside electron-rebuild gyp ERR! configure error gyp ERR! stack Error: Command failed: C:\Users\newub\AppData\Local\Programs\Python\Python37\python.EXE -c import sys; print "%s.%s.%s" % sys.version_info[:3]; gyp ERR!

Compiling SQLite RTREE in MSVC?

由 萝らか妹 提交于 2020-01-25 11:11:28
问题 I need to compile the rtree extension for SQLite from source code. The readme includes these instructions: The easiest way to compile and use the RTREE extension is to build and use it as a dynamically loadable SQLite extension. To do this using gcc on *nix: gcc -shared rtree.c -o libSqliteRtree.so You may need to add "-I" flags so that gcc can find sqlite3ext.h and sqlite3.h. The resulting shared lib, libSqliteRtree.so, may be loaded into sqlite in the same way as any other dynamicly

Compiling SQLite RTREE in MSVC?

由 血红的双手。 提交于 2020-01-25 11:11:15
问题 I need to compile the rtree extension for SQLite from source code. The readme includes these instructions: The easiest way to compile and use the RTREE extension is to build and use it as a dynamically loadable SQLite extension. To do this using gcc on *nix: gcc -shared rtree.c -o libSqliteRtree.so You may need to add "-I" flags so that gcc can find sqlite3ext.h and sqlite3.h. The resulting shared lib, libSqliteRtree.so, may be loaded into sqlite in the same way as any other dynamicly

How to write the query for retrieving id from sqlite database table in iphone apps

由 余生长醉 提交于 2020-01-25 10:32:06
问题 I am new to using the SQLite database in iphone apps. I have created a database with login table in it and added the database to the project. Login table contains 3 fields ID , Username and Password fields. I am entering the username and password in the textfields of the view. Now I am looking of how to retrieve the id from the login table when username and password entered are correct by checking the table. Can anyone help out in this. My Code: -(void)checkInDatabase { if(sqlite3_open(

Expandable Listview With Sqlite Data

由 烈酒焚心 提交于 2020-01-25 10:14:05
问题 I want to create an expandable listview that gets data from a table in Sqlite Database. The table is Named as Consumer table. I want the Account Number and Consumer Name to be the Parent. I've watched lots of tutorials but all data are static and not from Sqlite Database. can someone help me with this? thank you.. 来源： https://stackoverflow.com/questions/59780122/expandable-listview-with-sqlite-data

Expandable Listview With Sqlite Data

由 爷，独闯天下 提交于 2020-01-25 10:13:12
问题 I want to create an expandable listview that gets data from a table in Sqlite Database. The table is Named as Consumer table. I want the Account Number and Consumer Name to be the Parent. I've watched lots of tutorials but all data are static and not from Sqlite Database. can someone help me with this? thank you.. 来源： https://stackoverflow.com/questions/59780122/expandable-listview-with-sqlite-data

数据库 sqlite 直接执行的语句

由 坚强是说给别人听的谎言 提交于 2020-01-25 09:37:17
#import <sqlite3.h> @implementation DataBaseManager //单例方法 +(DataBaseManager *)defaultManager{ static DataBaseManager *manager = nil; @synchronized(self) { if (manager == nil) { manager = [[DataBaseManager alloc]init]; //创建表 [manager createTable]; } } return manager; } //数据库操作对象 static sqlite3 *db = NULL; //创建表 - (void)createTable{ //1.打开数据库 [self openDataBase]; //2.操作 - 建表 //sql语句 //autoincrement not null 主键自动增加,且不为空. NSString *sqlStr = @"create table if not exists Note (note_id integer primary key autoincrement not null , note_title text, note_content text)"; //执行 int result = sqlite3_exec

Get all table values if match in 2 other tables exists

由 喜你入骨 提交于 2020-01-25 09:15:09
问题 I have a table "channel". channelId a b c d a table "video" videoId | channelId 1 | a 2 | b 3 | c 4 | e a table "comment" commentID | videoID | videoID_channelID xx | 1 | a yy | 2 | b zz | 5 | e tt | 6 | f Keys are: channel.channelId = video.channelId = comment.videoID_channelID video.videoId = comment.videoID I need: all channels with at least 1 video and 1 comment all videos with at least 1 channel and 1 comment all comments with a video and a channel So I want to do 3 SQL statements, one
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