mysql get table size
SELECT
TABLE_NAME AS `Table`,
ROUND((DATA_LENGTH + INDEX_LENGTH) / 1024 / 1024) AS `Size (MB)`
FROM
information_schema.TABLES
WHERE
TABLE_SCHEMA = "bookstore"
ORDER BY
(DATA_LENGTH + INDEX_LENGTH)
DESC;
mysql get table size
SELECT
TABLE_NAME AS `Table`,
ROUND((DATA_LENGTH + INDEX_LENGTH) / 1024 / 1024) AS `Size (MB)`
FROM
information_schema.TABLES
WHERE
TABLE_SCHEMA = "bookstore"
ORDER BY
(DATA_LENGTH + INDEX_LENGTH)
DESC;
alter table column size oracle
ALTER TABLE tablename MODIFY fieldname VARCHAR2(100);
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