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今天就跟大家聊聊有關MySQL中如何查看數據庫表容量大小,可能很多人都不太了解,為了讓大家更加了解,小編給大家總結了以下內容,希望大家根據這篇文章可以有所收獲。
SELECT table_schema AS '數據庫', sum( table_rows ) AS '記錄數', sum( TRUNCATE ( data_length / 1024 / 1024, 2 ) ) AS '數據容量(MB)', sum( TRUNCATE ( index_length / 1024 / 1024, 2 ) ) AS '索引容量(MB)' FROM information_schema.TABLES GROUP BY table_schema ORDER BY sum( data_length ) DESC, sum( index_length ) DESC;
SELECT table_schema AS '數據庫', table_name AS '表名', table_rows AS '記錄數', TRUNCATE ( data_length / 1024 / 1024, 2 ) AS '數據容量(MB)', TRUNCATE ( index_length / 1024 / 1024, 2 ) AS '索引容量(MB)' FROM information_schema.TABLES ORDER BY data_length DESC, index_length DESC;
SELECT table_schema AS '數據庫', sum( table_rows ) AS '記錄數', sum( TRUNCATE ( data_length / 1024 / 1024, 2 ) ) AS '數據容量(MB)', sum( TRUNCATE ( index_length / 1024 / 1024, 2 ) ) AS '索引容量(MB)' FROM information_schema.TABLES WHERE table_schema = 'mysql';
SELECT table_schema AS '數據庫', table_name AS '表名', table_rows AS '記錄數', TRUNCATE ( data_length / 1024 / 1024, 2 ) AS '數據容量(MB)', TRUNCATE ( index_length / 1024 / 1024, 2 ) AS '索引容量(MB)' FROM information_schema.TABLES WHERE table_schema = 'mysql' ORDER BY data_length DESC, index_length DESC;
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看完上述內容,你們對MySQL中如何查看數據庫表容量大小有進一步的了解嗎?如果還想了解更多知識或者相關內容,請關注億速云行業資訊頻道,感謝大家的支持。
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