https://blog.gongquiz.com/2023/09/09/%ed%86%a0%ec%a7%80%ec%a0%95%eb%b3%b4%ec%b2%b4%ea%b3%84%ec%9d%98-%ea%b5%ac%ec%b6%95%ec%97%90-%ec%9e%88%ec%96%b4-%eb%b2%a1%ed%84%b0-%ec%9e%90%eb%a3%8cvector-data%eb%a5%bc-%ec%b7%a8%eb%93%9d%ed%95%98/