Tagged Questions

3
votes
2answers
319 views

Change column data type across database

I have a bunch of tables with many columns of data type ntext. I wish to change all such columns in all tables of a particular database to nvarchar(max), because of planned deprecation (EDIT: also ...
7
votes
2answers
1k views

Why does “SELECT POWER(10.0, 38.0);” throw an arithmetic overflow error?

I'm updating my IDENTITY overflow check script to account for DECIMAL and NUMERIC IDENTITY columns. As part of the check I compute the size of the data type's range for every IDENTITY column; I use ...
7
votes
1answer
1k views

Is there such thing as Custom Data Types?

Does MySQL have any support for custom data types? For example, zip codes might be stored in a varchar(10) field, but they could be compacted in to an int, with options for blank, and a flag as to ...
1
vote
1answer
4k views

How can I convert from Double Precision to Bigint with PostgreSQL?

I need to convert a value of Double Precision to Bigint with PostgreSQL. How can I do that? I have tried with to_bigint(myvalue) but that function didn't exist.