update using case in mysql
UPDATE `table` SET `uid` = CASE
WHEN id = 1 THEN 2952
WHEN id = 2 THEN 4925
WHEN id = 3 THEN 1592
ELSE `uid`
END
WHERE id in (1,2,3)update using case in mysql
UPDATE `table` SET `uid` = CASE
WHEN id = 1 THEN 2952
WHEN id = 2 THEN 4925
WHEN id = 3 THEN 1592
ELSE `uid`
END
WHERE id in (1,2,3)how to define a save method in ruby for sql databases
def save
sql = <<-SQL
INSERT INTO songs (name, album)
VALUES (?, ?)
SQL
DB[:conn].execute(sql, self.name, self.album)
@id = DB[:conn].execute("SELECT last_insert_rowid() FROM songs")[0][0]
endCopyright © 2021 Codeinu
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