Table: UserId, Value, Date. I want to get the UserId, Value for the max(Date) for each UserId. That is, the Value for each UserId that has the latest date. Is there a way to do this simply in SQL?...
I am getting ORA-00979 with the following query: SELECT cr.review_sk, cr.cs_sk, cr.full_name, tolist(to_char(cf.fact_date, 'mm/dd/yyyy')) "appt", cs.cs_id, cr.tracking_number from review cr, cs, fact...
I have a query which works fine in MySQL, but when I run it on Oracle I get the following error: SQL Error: ORA-00933: SQL command not properly ended 00933. 00000 - "SQL command not properly en...
It appears that there is no concept of AUTO_INCREMENT in Oracle, up until and including version 11g. How can I create a column that behaves like auto increment in Oracle 11g?
Is there a way to make an Oracle query behave like it contains a MySQL limit clause? In MySQL, I can do this: select * from sometable order by name limit 20,10 to get the 21st to the 30th rows (s...
I have been going through many threads on SO and some other forums. So I thought I would summarize "What is SQL JOIN?" and "What are different types of SQL JOINs?".
Would it be possible to construct SQL to concatenate column values from multiple rows? The following is an example: Table A PID A B C Table B PID SEQ Desc A 1 Have A 2 ...
BadImageFormatException. This will occur when running in 64 bit mode with the 32 bit Oracle client components installed
I am getting this error while on of my .Net application are trying to make a connection to oracle database. The error says that This problem will occur when running in 64 bit mode with the 32 bit Ora...
We have been having some debate this week at my company as to how we should write our SQL scripts. Background: Our database is Oracle 10g (upgrading to 11 soon). Our DBA team uses SQLPlus in order...
I know that it does consider ' ' as NULL, but that doesn't do much to tell me why this is the case. As I understand the SQL specifications, ' ' is not the same as NULL -- one is a valid datum, and ...