You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

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SQL

DROP TABLE IF EXISTS categories; -- is a list of categories(lists): type: reading_list, authors, notes, etc it's a type but type is also a keyword in python so better avoiding it
DROP TABLE IF EXISTS cards; --the single entry of any category/type
DROP TABLE IF EXISTS topics; -- test table weaved on measure for this test
DROP TABLE IF EXISTS topic_cards;
-- table creation
CREATE TABLE categories (
id INTEGER PRIMARY KEY AUTOINCREMENT,
created TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
category_name TEXT NOT NULL -- remember to not write the comma here at the end of each table
);
CREATE TABLE cards (
id INTEGER PRIMARY KEY AUTOINCREMENT,
category_id INTEGER NOT NULL,
created TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
content TEXT NOT NULL,
FOREIGN KEY (category_id) REFERENCES categories (id)
);
-- CREATE TABLE relations (
-- id INTEGER PRIMARY KEY AUTOINCREMENT,
-- )
CREATE TABLE topics (
id INTEGER PRIMARY KEY AUTOINCREMENT,
content TEXT NOT NULL
);
-- join table cards-topic but will i need also topic-card?? having a table of relations would maybe be a better approach? and a table of actions? (like upload file)
CREATE TABLE topic_cards (
id INTEGER PRIMARY KEY AUTOINCREMENT,
topic_id INTEGER,
card_id INTEGER,
FOREIGN KEY (topic_id) REFERENCES topics(id),
FOREIGN KEY (card_id) REFERENCES cards(id)
)