I have an Object Oriented Programing school project that asks me to implement a simpler version of the SQLite library in plain c++ with this requirements: "In the following description | means logic OR and [] means the parameter is not mandatory Implement different C++ classes that will allow you interpret different SQL commands received ..
Category : database
Alright, so I’ve been working on this database project for a while now, and I’ve been pretty much stuck troubleshooting this weekend. It seems like all my last errors comes from this error c2653 ‘Database’: is not a class or namespace name. I’ve been searching for a while now on the great internet, and found ..
I want to create a SOA database but also have a separate interface that gives encapsulation. I am close to the design I think but would like more experienced coding eyes to have a look to critique my design. Here is what I have so far: struct OrbitalDataBase { OrbitalDataBase(uint32_t a_number_of_orbitals) : number_of_lm_pairs_per_orbital(a_number_of_orbitals, 0) { ..
i am trying to connect to a PostgreSQL DB which is hosted on Windows 10 machine. I have changed the following settings on ini file: listen_addresses = ‘*’ is set in postgresql.conf host all all 0.0.0.0/0 md5 is set pg_hba.conf I have enabled the 5432 port for TCP/IP connections and i have checked that it ..
It appear really strange, I’m using a simple single Thread application. I don’t know why but when I’ll call a function to update the contenent of the database I get "database is locked" error, I’m not understading at all why this append. Here’s the function’s code: void database_connect_user(const std::string& user) { sqlite3* db = database_open("UTENTE.db"); ..
So im creating a database for a CyberGame Cafe(an exercise): Ex: I have 25 computer in the Cyber and players have an accountname and password to login to a specific computer So how do I know which user is using which computer and store that information in database? I assume that in the Computer table ..
Say, I have a class: class Person { std::string name; int age; int height; int weight; int wage; }; and a table filled with many Persons. I want to take 3th, 4th "columns" to create a new table. That is, if we have something like: {"Obama", 60, 178, 72, 3000}, {"Trump", 70, 185, 120, 4000}, ..
I would like to know which programming language to use and which tools to use so that I can make software for Windows where that software is able to connect to an online database and make changes to it (search and CRUD, for example). I researched here, but I can’t find a direction to follow ..
I have ID_employe in one column (the same ID can be on more than 2 rows) and in other column I have ID_job. I need MYSQL to find same values in the first column and then check, if there are everytime the same values in the second column. If there is any difference, I need ..
Installer image. I’m installing Oracle 19c in windows 10 64, ho error code or message raised but it takes forever with no progress when the installer reach copying database files. Any help? Thank you all. Source: Windows..
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