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## How to merge two DBs with same schema
BEGIN TRANSACTION;
ATTACH 'gugus.db' AS other;
INSERT INTO "Foo" SELECT * FROM "other"."Foo";
INSERT INTO "Bar" SELECT * FROM "other"."Bar";
COMMIT;
DETACH other;
ATTACH 'bekb-2023.db' AS other;
INSERT INTO "Account" SELECT * FROM "other"."Account";
INSERT INTO "Currency" SELECT * FROM "other"."Currency";
INSERT INTO "AccountType" SELECT * FROM "other"."AccountType";
INSERT INTO "Transaction" SELECT * FROM "other"."Transaction";
## import CSV
csv Example (no headrow):
1;foo
2;bar
sqlite3 foo.db -bail -cmd '.mode csv' -cmd '.separator ;' -cmd '.import foo.csv FooTable'
## Insert conditional
INSERT INTO table(id, text)
SELECT 5, 'text to insert'
WHERE NOT EXISTS (SELECT 1 FROM table WHERE id = 5)
## Drop Column
ALTER TABLE table DROP COLUMN column;
## Add Column
ALTER TABLE table ADD COLUMN column NOT NULL DEFAULT 'gugus';
## Refs
[drop column TODO vote](https://stackoverflow.com/a/66399224/4415884)
[insert if not exists](https://stackoverflow.com/a/19337206/4415884)
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