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REPLACE works exactly like INSERT, except that if an old row in the table has the same value as a new row for a PRIMARY KEY or a UNIQUE index, the old row is deleted before the new row is inserted. See Section 15.2.7, “INSERT Statement”. REPLACE is a MySQL extension to the SQL standard.
- MySQL 8.4 Release Notes
Abstract. This document contains release notes for the...
- MySQL 8.4 Reference Manual
This is the MySQL Reference Manual. It documents MySQL 8.4...
- MySQL 8.4 Release Notes
To change a column definition but not its name, use CHANGE or MODIFY. With CHANGE, the syntax requires two column names, so you must specify the same name twice to leave the name unchanged. For example, to change the definition of column b, do this: ALTER TABLE t1 CHANGE b b INT NOT NULL;
24 paź 2024 · This is the MySQL Reference Manual. It documents MySQL 8.4 through 8.4.3, as well as NDB Cluster 8.4 through 8.4.3, respectively. It may include documentation of features of MySQL versions that have not yet been released.
1 lip 2024 · It covers changes, including incompatible changes introduced in MySQL 8.4. Finally, it covers different ways in which you could upgrade MySQL, including upgrading MySQL on Windows. There’s really no other way than follow the documented process.
14 maj 2024 · If your CI or Docker config simply specifies “mysql:8”, you’re now getting MySQL 8.4. This can cause subtle behavior changes or breakages. To fix this, be sure to specify at least the minor version as well, i.e. “mysql:8.0”.
Abstract. This document contains release notes for the changes in MySQL 8.4. For information about changes in a different version of MySQL, see the release notes for that version.
6 lip 2024 · You could use the CHANGE REPLICATION SOURCE TO Statement syntax. CHANGE REPLICATION SOURCE TO SOURCE_HOST='source2.example.com', SOURCE_USER='replication', SOURCE_PASSWORD='password', SOURCE_PORT=3306, SOURCE_LOG_FILE='source2-bin.001', SOURCE_LOG_POS=4, GET_SOURCE_PUBLIC_KEY=1, SOURCE_CONNECT_RETRY=10;
