Skip to content

SQL query by adding two columns in where clause?

I have a database table that contains two scores: scoreA scoreB I am trying to make a SQL query by adding these two values, such as However, it shows an error: Is there any way to work around for this? P.S. the reason I don’t add a new column for scoreC is because scoreA/scoreB are updated continuously …

Why isn’t SQLAlchemy creating serial columns?

SQLAlchemy is generating, but not enabling, sequences for columns in postgresql. I suspect I may be doing something wrong in engine setup. Using an example from the SQLAlchemy tutorial (http://docs.sqlalchemy.org/en/rel_0_9/orm/tutorial.html): With this script, the following table is generated: However, a seq…

SQL developer Import data wizard comes up blank

So I have a file that has over 100 entries in it as an excel worksheet. I want to put those over into a sql. So I fire up my sql developer and try and import the data but it doesn’t show up. The …

How to check if a table exists in Hive?

I am connecting to Hive via an ODBC driver from a .NET application. Is there a query to determine if a table already exists? For example, in MSSQL you can query the INFORMATION_SCHEMA table and in …