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9
votes
3answers
6k views

Storing date as integer (numeric), what are the advantages

Question 1 I am working with a system where date is stored as integer (actual numeric(8,0)) and I have noticed that other systems also store date as int such as cisco in this thread. Example ...
4
votes
4answers
2k views

Best pratice to store dates group by months-year key par value

I am making one service which needs to hold data grouped and calculated by year-month combination. I know how to calculate data and put it on new table. But I am confused what kind of data type I ...
2
votes
1answer
7k views

YYYY-MM-DD has changed to YYYY-DD-MM after moving SQL Server to new domain how do I switch back?

I have moved the domain of my SQL Server and while everything is mainly working the date format for queries seems to have changed. So if I run this: select convert(datetime,'2012-02-13') I get ...
2
votes
1answer
209 views

Varchar to date in SQL Server 2008 [closed]

I have varchar data in database table which stores date in DD-MM-YYYY format. I want to select that varchar in MM-DD-YYYY format. I'm using select convert (varchar(30), (select CONVERT(datetime, ...
3
votes
3answers
6k views

Oracle Query by Quarter

I have a query that I want to get data from the past 5 quarters, but it doesn't work the way it should: select to_char(eventdate,'YYYY') || ' Q-' || to_char(eventdate, ' Q'), ... from ... where ...
6
votes
2answers
2k views

Best way to handle dates prior to 1000 A.D. in MySQL?

I am creating a database for records that extend prior to 1000 AD, but MySQL Date and DateTime fields only support dates starting at 1000. Is there a way that would be more convenient than either ...
8
votes
2answers
35k views

How to get the timestamp column in only milliseconds from PostgreSQL?

I have a column "created" with type timestamp without time zone default now() in a PostgreSQL database. If I select colums, it has a nice and readable format per default: SELECT created FROM ...