本篇內(nèi)容介紹了“MySQL如何查詢數(shù)據(jù)庫容量”的有關(guān)知識(shí),在實(shí)際案例的操作過程中,不少人都會(huì)遇到這樣的困境,接下來就讓小編帶領(lǐng)大家學(xué)習(xí)一下如何處理這些情況吧!希望大家仔細(xì)閱讀,能夠?qū)W有所成!

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mysql查詢數(shù)據(jù)庫容量的方法:1、打開DOS窗口,然后進(jìn)入mysql的bin目錄下;2、執(zhí)行“SELECT table_schema AS 'shujuku',table_name AS 'biaoming',table_rows AS 'jilushu',TRUNCATE (data_length / 1024 / 1024, 2) ...”語句即可查看所有數(shù)據(jù)庫各表容量。
MySql查看數(shù)據(jù)庫及表容量并排序查看所有數(shù)據(jù)庫容量
SELECT
table_schema AS '數(shù)據(jù)庫',
sum(table_rows) AS '記錄數(shù)',
sum(
TRUNCATE (data_length / 1024 / 1024, 2)
) AS '數(shù)據(jù)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;
查看所有數(shù)據(jù)庫各表容量
SELECT
table_schema AS '數(shù)據(jù)庫',
table_name AS '表名',
table_rows AS '記錄數(shù)',
TRUNCATE (data_length / 1024 / 1024, 2) AS '數(shù)據(jù)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;
查看指定數(shù)據(jù)庫容量
SELECT
table_schema AS '數(shù)據(jù)庫',
sum(table_rows) AS '記錄數(shù)',
sum(
TRUNCATE (data_length / 1024 / 1024, 2)
) AS '數(shù)據(jù)容量(MB)',
sum(
TRUNCATE (index_length / 1024 / 1024, 2)
) AS '索引容量(MB)'
FROM
information_schema.tables where table_schema = 'your_table_name';
查看指定數(shù)據(jù)庫各表容量
SELECT
table_schema AS '數(shù)據(jù)庫',
table_name AS '表名',
table_rows AS '記錄數(shù)',
TRUNCATE ( data_length / 1024 / 1024, 2 ) AS '數(shù)據(jù)容量(MB)',
TRUNCATE ( index_length / 1024 / 1024, 2 ) AS '索引容量(MB)'
FROM
information_schema.TABLES
WHERE
table_schema = '指定的庫名'
ORDER BY
data_length DESC,
index_length DESC;
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標(biāo)題名稱:mysql如何查詢數(shù)據(jù)庫容量
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