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Author: Simo

How to plan mode changes in the SQLite database?

I’m currently developing an application that stores data in a SQLite database. The database will have more read access (in fact, it will be filled with data once, and then almost Only read). Theref

September 22, 2021By Simo Sqlite change, database, How to plan, Medium, mode, SQLITELeave a Comment

PowerDesigner Design Table Shows Note Columns Comment

Select the table to be edited,【right click】->【Properties】->【Columns】->【Customize Columns and Filter】->【Comment】->【OK 】
Or use the shortcut key
【Right click】->【Properties】->【Columns】->【Ctrl+U】->【

September 22, 2021By Simo Power Designer Column, Comment, display, Note, PowerDesigner, set, taking, timeLeave a Comment

Schonic query for SQLite Update query

I must update the test_test column “testconsent_id” with the id value of the test_groupedconsent table, where the patient_id in test_test matches the patient_id in the test_groupedconsent table, an

September 22, 2021By Simo Sqlite query, SQLITE, UpdateLeave a Comment

PowerDesigner shortcut

General shortcut keys Shortcut keys

Description

F4< /span>

Open the check model window and check the model

F5

If the size of the picture in the picture windo

September 22, 2021By Simo Power Designer PowerDesigner, shortcut keyLeave a Comment

SQLite Replace () function executes a string replacement

I have a column in the sqlite database that I need to modify.

The column is an array of values, as shown below:

0.021460.04419,0.04551,0.02734,0.011,0.005 The array lacks a comma betwee

September 22, 2021By Simo Sqlite execution, function, REPLACE, replacement, SQLITE, stringLeave a Comment

SQLite, calculate foreign key references

I have two tables, one defines the list, and the other defines the items in the list. When I run this, I only get a list of items that reference them. I really need Get the results of all the rows

September 22, 2021By Simo Sqlite Calculation, key, outside, reference, SQLITELeave a Comment

In SQLITE3, how do I make SQL escape in the Like clause?

I want to run LIKE queries in sqlite3 and safely escape user input. Basically, I want to do something like this:

< /p> char* query = “SELECT * FROM table WHERE LOWER(notes) LIKE’%?%'”;
sqlite

September 22, 2021By Simo Sqlite China, clause, escape, How, middle, SQL, SQLITE, SQLITE3, workingLeave a Comment

Encryption SQLite

I will write my own encryption, but want to discuss some internals. It should be used on several mobile platforms – iOS, Android, WP7, desktop services more or less as test platforms. < p>

Le

September 22, 2021By Simo Sqlite encryption, SQLITELeave a Comment

Create a general query in SQLite-Net C # using SQLiteAsyncConnection

I am using SQLite-net (https://github.com/praeclarum/sqlite-net) to implement a database using Mono on Android and have the following functions:

public class DatabaseTestASync
{
private SQLi

September 22, 2021By Simo Sqlite C #, creating, query, SQLITE, SQLiteAsyncConnection, universal, UsingLeave a Comment

Package SQLITE DB with my app

I created a SQLite database on my computer. I have imported it into the assets folder in the project directory. How can I access it from my Android application? Use Java I/O to copy it to the da

September 22, 2021By Simo Sqlite application, DB, my, Packaging, program, SQLITELeave a Comment

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