Summary ListActivity, AdapterView, adapter, multiple activities, SQLite, GUI style, menu resources and MenuInflater.
All resource files use the tag, and style elements use the tag . All att
Category: Database
The database is a warehouse that organizes, stores and manages data according to the data structure. It was created more than 60 years ago. With the development of information technology and the market, especially after the 1990s, data management is no longer just It is to store and manage data, and transform it into various data management methods required by users. There are many types of databases, from the simplest tables that store various data to large-scale database systems that can store massive amounts of data. They have been widely used in all aspects.
Can I use anything other than BIGINT as a primary key data type in SQLite?
I am very excited about the possibility of using SQLite as a database solution during development, so I can focus on writing code first and use NHibernate’s ShemaExport feature to dynamically gener
PowerDesigner15.1 Skills
PowerDesigner 15.1 tips What can PD do The most commonly used pdm (physical data model) The more commonly used cdm, ldm (conceptual data model, logical data model) Object-Oriented Model You
Switch DELETE and LIKE in the SQLite statement
I tried to merge the two into a single statement, and I would even be satisfied with two separate statements… I know it must be possible, but how?
This is what I tried:
DELETE FROM my
Sqlite, exclusive or. How do I clear the flag?
Set the flag I write SET status=status|? How do I clear the flag? Usually I write SET status=status&( – 1 ^?) but ^ is illegal in sqlite. How can I clear the flag or use an exclusive OR? sqlite
PowerDesigner generated Oracle built-in script to remove the quotation number of lowercase objects
This time I used pd to design the database. I didn’t pay attention at first. All table names and field names are in lowercase letters. As a result, all the objects in the generated script were quot
SQLITE3 cannot be imported in Python 3
sqlite works fine with python 2.7, but when I try to import it in python 3, it will give an error
> Traceback (most recent call last): File “dbConnection.py”, line 1,
> in
> import sqlite3 F
Problem processing using PowerDesigner16 anti-compiling Oracle database
Recently, when using powerdesigner to decompile Oracle, I encountered a failure to connect to Oracle using odbc. After many tests, it was found that the problem was caused by the use of 64-bit odbc, which was replaced with 32-bit, and the problem disappeared.
What is the difference between SQLITE3 and Python 2.5, Pysqlite and APSW?
I want to know the difference between python2.5, pysqlite and apsw sqlite3?
When I try to install pysqlite on windows vista using python2.5, I have a bumpy run, please refer to the following:
<
How to automatically generate CODE according to the first letter according to the entered Name when the PowerDesigner creates a table
Introduce how to automatically generate a table based on the entered Name when PowerDesigner creates a table Code method, which is also the most commonly used in practical applications. According t