SELECT
TABLE_NAME,
CONCAT(
TRUNCATE (DATA_LENGTH / 1024 / 1024, 2),
' MB'
) AS DATA_SIZE,
CONCAT(
TRUNCATE (INDEX_LENGTH / 1024 / 1024, 2),
' MB'
) AS INDEX_SIZE
FROM
INFORMATION_SCHEMA. TABLES
WHERE
TABLE_SCHEMA = 'BFIP'
GROUP BY
TABLE_NAME
ORDER BY
TABLE_NAME,
CONCAT(
TRUNCATE (DATA_LENGTH / 1024 / 1024, 2),
' MB'
) AS DATA_SIZE,
CONCAT(
TRUNCATE (INDEX_LENGTH / 1024 / 1024, 2),
' MB'
) AS INDEX_SIZE
FROM
INFORMATION_SCHEMA. TABLES
WHERE
TABLE_SCHEMA = 'BFIP'
GROUP BY
TABLE_NAME
ORDER BY
DATA_LENGTH DESC;
本文提供了一段SQL查询语句,用于展示数据库BFIP中各表的数据大小及索引大小,单位为MB。该查询从INFORMATION_SCHEMA.TABLES表获取信息,并按数据长度降序排列。

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