* Update 101-alter-table.md
Previously :
ALTER TABLE tableName
ALTER COLUMN columnName TYPE newDataType;
results in syntax error
Now:
ALTER TABLE tableName
MODIFY COLUMN columnName newDataType;
* Update 101-alter-table.md
Added how to drop an primary key
* Update src/data/roadmaps/sql/content/102-ddl/101-alter-table.md
Co-authored-by: dsh <daniel.s.holdsworth@gmail.com>
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Co-authored-by: Kamran Ahmed <kamranahmed.se@gmail.com>
Co-authored-by: dsh <daniel.s.holdsworth@gmail.com>