Recent questions tagged SQLite

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sqlite - How to select all values and hide NULL values in SQL?

so in my database some rows have NULL values, and when I select * from table, that NULL values also shows as text "null". ... +"', '"+s+"');"); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sqlite - How to enable SQLITE_ENABLE_UPDATE_DELETE_LIMIT in android?

"SQLITE_ENABLE_UPDATE_DELETE_LIMIT" is a option of SQLite. People will compile their own SQLite and add this parameter ... becomes not safety. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sqlite - Ship android app with pre populated database

Here is my code, public DBHelper(Context context) { super(context, DB_NAME, null, 2); this.context = ... latest devices its not working. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sqlite - Why my python does not see pysqlite?

I would like to have an interface between Python and sqlite. Both are installed on the machine. I had an old ... CentOS release 5.3 (Final). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sqlite - Can I use a later of version of sqlite3 with python?

I am using python 3.5.1 which comes with an sqlite version of 3.8.11. I wonder if I could use another ... any sense, hence I re-wrote it. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sqlite - Flush MTP connection with Android tablet?

I connect a Samsung Galaxy Android tablet with a USB cable to computer running Windows 7. It connects using MTP. ... time it copied the file. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sqlite - SQL: Filter rows with max value

This is my table structure: File | Version | Function 1 | 1 | 1 1 | 2 | 1 1 | 3 | 1 1 | 2 ... ids. The query needs to be sqlite3 compatible. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sqlite - SQL - Update a table using a field of another table

I am trying to execute the following update query: UPDATE Commodities INNER JOIN UniqueCountries ON Commodities.wbCode ... Thank you very much. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sqlite - How do I preserve the order of a SQL query using the IN command

SELECT * FROM tblItems WHERE itemId IN (9,1,4) Returns in the order that SQL finds them in (which happens to be 1, ... - <-- this dosn't work :) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sqlite - Rails: Deploying to Heroku, Many Problems

Trying to deploy my rails app to Heroku for the first time, I ran into many problems. The app crashed, and you ... how do I solve the problem? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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861 views

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sqlite - Use trigger for auto-increment

I'm trying to solve the problem that composite keys in sqlite don't allow autoincrement. I don't know if it's ... the new record. (new.id). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sqlite - Unique constraint failed room database android

I'm facing a problem with Room database, when trying to use insert method that I declared in Dao Class to ... ") private Integer mIsDone; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sqlite - Insert multiple records in Sqflite

How to insert quickly multiple records in sqflite? The standard quickly method is: await database.insert(table, ... list with a transaction? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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853 views

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sqlite - Heroku python app failing to build when installing sqlite3

My Python app on Heroku failed to build consistently: -----> Python app detected ! Python has released a security ... 5.0 setuptools==1.0.0 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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855 views

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sqlite - node.js - sqlite3 read all records in table and return

I'm trying to read all records in a sqlite3 table and return them via callback. But it seems that despite ... call the callback with results? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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779 views

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sqlite - SQLiteException Unable to convert BLOB to string when contact have photo. Android

In my code I update contact information including name, address, email, and photo. When contact have no photo all ... { e.printStackTrace(); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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756 views

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sqlite - iPhone CoreData join

this is my core data model: I'm trying to get all LanguageEntries from a database for a given category.categoryName ... shed some light? ->Ken See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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773 views

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sqlite - Reading and Inserting Chrome Cookies Java

This is actually exactly what I am looking for but in Java: Encrypted cookies in Chrome The mentioned "Windows ... -chrome-cookies-with-python/ See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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963 views

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sqlite - Undelete accidentally deleted records in Sqlite3

As title, possible? I have by accident deleted another record due to my ugly html interface in FireFox. ... cascade delete everything :( See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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945 views

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sqlite - Aggregate difference between DateTime fields in Django

I have a table containing a series of entries which relate to time periods (specifically, time worked for a client): ... .objects.filter(...)]) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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801 views

1 answer

sqlite - iPhone CoreData join

this is my core data model: I'm trying to get all LanguageEntries from a database for a given category.categoryName ... shed some light? ->Ken See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

662 views

1 answer

sqlite - SQLiteException Unable to convert BLOB to string when contact have photo. Android

In my code I update contact information including name, address, email, and photo. When contact have no photo all ... { e.printStackTrace(); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

sqlite - Python Encoding - Could not decode to utf8

I have an sqlite database that was populated by an external program. Im trying to read the data with python. ... error. Any help appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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sqlite - Converting to Byte Array after reading a BLOB from SQL in C#

I need to read a BLOB and store it in a byte[], before going forward with Deserializing; Consider: // ... type Date; Help appreciated; Soham See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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776 views

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sqlite - System.BadImageFormatException on running ServiceStack examples.

I am trying to run ServiceStack Examples projects. When I run the web client I am getting the following error: { ... on Windows 7 64-bit box. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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805 views

1 answer

sqlite - SQL select elements where sum of field is less than N

Given that I've got a table with the following, very simple content: # select * from messages; id | ... very grateful for any hints/help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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sqlite - sqlite3 "foreign key constraint failed"

I've set up two tables: CREATE TABLE A ( id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT, name TEXT ); CREATE TABLE ... still doesn't work...... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

1 answer

sqlite - sqlite3 "foreign key constraint failed"

I've set up two tables: CREATE TABLE A ( id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT, name TEXT ); CREATE TABLE ... still doesn't work...... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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