update

netease_music/sql/statistic.sql

@@ -49,3 +49,18 @@ optimize table song;
 optimize table song_album_relation;
 optimize table song_artist_relation;
 optimize table user;
+
+-- 查询单个数据库里面各个表所占磁盘空间大小包括其索引的大小
+SELECT
+    table_schema AS '数据库',
+    table_name AS '表名',
+    table_rows AS '记录数',
+    TRUNCATE (data_length / 1024 / 1024, 2) AS '数据容量(MB)',
+    TRUNCATE (index_length / 1024 / 1024, 2) AS '索引容量(MB)',
+    TRUNCATE ((data_length + index_length) / 1024 / 1024 / 1024, 2) AS '总容量(GB)'
+FROM
+    information_schema.TABLES
+WHERE
+    table_schema = 'neteasemusic'
+ORDER BY
+    table_rows DESC;