mysql change database charset and collation
ALTER DATABASE databasename CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
ALTER TABLE tablename CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;mysql change database charset and collation
ALTER DATABASE databasename CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
ALTER TABLE tablename CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;alter table mysql
ALTER TABLE contacts
ADD last_name varchar(40) NOT NULL
AFTER contact_id,
ADD first_name varchar(35) NULL
AFTER last_name;Update information in a mysql column
UPDATE employees
SET
lastname = 'Hill',
email = '[email protected]'
WHERE
employeeNumber = 1056;Code language: SQL (Structured Query Language) (sql)my sql alter table
ALTER TABLE nom_table
DROP nom_colonneCopyright © 2021 Codeinu
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