Dropping a column Reordering columns Changing the column data type Making a column NULL Making a column NOT NULL Rename a column Setting a column default value Dropping the column default value Changing the auto-increment value REBUILD TABLES
Reordering columns Changing the column data type Adding a column Rename a column Setting a column default value Dropping the column default value Changing the auto-increment value Extenting VARCHAR column size Making a column NULL Making a column NOT NULL REBUILD TABLES
secondary index Dropping an index Adding a FULLTEX index Changing the index Type 5.6 Creating or adding a secondary index Dropping an index Renaming an index Adding a FULLTEX index Adding a SPATIAL index Changing the index Type 8.0