Sometimes you CAN upsize a column in-place
Altering a fixed-width column on a large table can often mean either a lot of planning or a lot of downtime, but in some scenarios there may be an easy out.
Altering a fixed-width column on a large table can often mean either a lot of planning or a lot of downtime, but in some scenarios there may be an easy out.
We had a case where we increased a varchar column's size, ONLINE, but it caused significant downstream effects. See why.