This tutorial explains how you can change, remove, add, or rearrange your tables and their columns.MySQL ... ... <看更多>

At my work, we have quite a few tables with over 1 billion rows. Developers add or remove columns, change data types, add or remove indexes, ... ... <看更多>

MySQL ALTER TABLE does not have IF EXISTS specification. You can do the following through using a stored proc or a programming language if this is something ... ... <看更多>

oak-online-alter-table --database=world --table=City --alter="ADD KEY(Population)" --user=root --ask-pass --socket=/tmp/mysql.sock. ... <看更多>