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Tag: SQLITE

Specify which row is returned on SQLite Group

I encountered a tricky problem. I store all versions of all documents in a table. Each document has a unique id, and the version is stored as an integer. It will increment when there is a new versi

September 22, 2021By Simo Sqlite Group, one line, return, Specify, SQLITELeave a Comment

Learn mobile phone programming to learn about the SQLite database

SQLite is an embedded database, and its database is a file. Since SQLite itself is written in C and is small in size, it is often integrated into various applications, even in iOS and Android apps

September 22, 2021By Simo Sqlite database, learn, mobile phone, programming, SQLITE, understandLeave a Comment

How do we know the lock state of SQLite DB?

1) Is there a pragma or any way to understand the current lock state of sqlite db?
2) In addition, is there a way to know if other processes are using the database? About #1: No, because the an

September 22, 2021By Simo Sqlite DB, How, know, lock, SQLITE, state, WeLeave a Comment

New with Recursive CTE clause with SQLite

SQLite 3.8.3 adds support for CTE. I tried some sample CTEs on this page and they work fine. However, after reading the documentation and trying to adjust some examples, I can’t Create a simple tes

September 22, 2021By Simo Sqlite clause, CTE, New, Recursive, SQLITE, useLeave a Comment

If there are two or more conditions, how to use the replace command in SQLite

I want to update a row if it exists in the table, otherwise insert it into SQLite in a single query. From the SQLite documentation I found that we can use the REPLACE command to achieve this.

September 22, 2021By Simo Sqlite conditions, How, if, More, SQLITE, twoLeave a Comment

SQLITE – PREPARED statement and in expression

I have a database where users can search for records containing a list of one or more items. I am using IN for searching, but I cannot use IN to process prepared statements. This This is what I tri

September 22, 2021By Simo Sqlite expression, PREPARED, SQLITE, statementLeave a Comment

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

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

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

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