sqlite

问题 I have created a database using SQLite which store student details including Student Name (String) Student Password (String) Student ID (String) Student Attendance(Boolean) In my solution, there are 3 view controller as describe below: ViewController1 : Table View, Display List of Students. ViewController2 : Normal View Controller with 3 text field and 1 switch button to get all 4 user detail. ViewController3 : A button that enable user to tap, and turn the attendance (boolean) to on. I would

问题 I have created a database using SQLite which store student details including Student Name (String) Student Password (String) Student ID (String) Student Attendance(Boolean) In my solution, there are 3 view controller as describe below: ViewController1 : Table View, Display List of Students. ViewController2 : Normal View Controller with 3 text field and 1 switch button to get all 4 user detail. ViewController3 : A button that enable user to tap, and turn the attendance (boolean) to on. I would

问题 I have created a database using SQLite which store student details including Student Name (String) Student Password (String) Student ID (String) Student Attendance(Boolean) In my solution, there are 3 view controller as describe below: ViewController1 : Table View, Display List of Students. ViewController2 : Normal View Controller with 3 text field and 1 switch button to get all 4 user detail. ViewController3 : A button that enable user to tap, and turn the attendance (boolean) to on. I would

问题 I have created a database using SQLite which store student details including Student Name (String) Student Password (String) Student ID (String) Student Attendance(Boolean) In my solution, there are 3 view controller as describe below: ViewController1 : Table View, Display List of Students. ViewController2 : Normal View Controller with 3 text field and 1 switch button to get all 4 user detail. ViewController3 : A button that enable user to tap, and turn the attendance (boolean) to on. I would

问题 I used DB Browser for SQLite version 3.6.0; SQLite Version 3.8.9. This application already supports Regular Expression out of box (sqlitebrowser). I can use regexp on column brand but failed on column revision ; For example SELECT brand,revision FROM TDevice where TDevice.brand regexp '^ASUS$' and the result is 114 Rows returned from: SELECT brand,revision FROM TDevice WHERE TDevice.brand regexp '^ASUS$'; (took 51ms) However, if regexp is applied on different column, then I get the error

问题 I used DB Browser for SQLite version 3.6.0; SQLite Version 3.8.9. This application already supports Regular Expression out of box (sqlitebrowser). I can use regexp on column brand but failed on column revision ; For example SELECT brand,revision FROM TDevice where TDevice.brand regexp '^ASUS$' and the result is 114 Rows returned from: SELECT brand,revision FROM TDevice WHERE TDevice.brand regexp '^ASUS$'; (took 51ms) However, if regexp is applied on different column, then I get the error

问题 I used DB Browser for SQLite version 3.6.0; SQLite Version 3.8.9. This application already supports Regular Expression out of box (sqlitebrowser). I can use regexp on column brand but failed on column revision ; For example SELECT brand,revision FROM TDevice where TDevice.brand regexp '^ASUS$' and the result is 114 Rows returned from: SELECT brand,revision FROM TDevice WHERE TDevice.brand regexp '^ASUS$'; (took 51ms) However, if regexp is applied on different column, then I get the error

问题 I need to get all data using db.all() asynchronously. I do not want to run other functionality/code within the call back. I would like to "export" the results. Is that ok? * Im new to SQLite 😬 * const sqlite3 = require('sqlite3').verbose() const db = new sqlite3.Database('./db/subscribers.db') const createSQLStatement = `CREATE TABLE IF NOT EXISTS subscriptions (id INTEGER PRIMARY KEY AUTOINCREMENT, subscriber TEXT)` db.run(createSQLStatement) exports.getAllSubscribers = async () => { const

问题 I need to get all data using db.all() asynchronously. I do not want to run other functionality/code within the call back. I would like to "export" the results. Is that ok? * Im new to SQLite 😬 * const sqlite3 = require('sqlite3').verbose() const db = new sqlite3.Database('./db/subscribers.db') const createSQLStatement = `CREATE TABLE IF NOT EXISTS subscriptions (id INTEGER PRIMARY KEY AUTOINCREMENT, subscriber TEXT)` db.run(createSQLStatement) exports.getAllSubscribers = async () => { const

问题 I have installed laraadmin as for quick admin with using sqlite. But problem is when i am going to create something getting SQLSTATE[HY000]: General error: 1 near "SHOW": syntax error (SQL: SHOW TABLES) Thanks 回答1: Unfortunately SQLite doesn't know SHOW TABLES , but instead it has: special command line commands, like .schema or .tables (with optional LIKE patterns) a master metadata table, called sqlite_master So let's say you have the following tables: sqlite> CREATE TABLE A(a INT, b, INT, c