How can you join two tables without any common column present in them?

Answer Posted / lisa

I can add one dummy column to both the tables with value '1' and join both the tables on the basis of that dummy column. But how to do the join when there are huge number of columns/huge data volume in the tables? Please reply!

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

I am new to informatica and learning it,can anybody please tell me how we receive source as flat file in informatica,from where we get this flat file?

1320


Suppose we have a source qualifier transformation that populates two target tables. How do you ensure tgt2 is loaded after tgt1?

628


What are the types of caches in lookup?

570


How to create the source and target database connections in server manager?

630


What is the difference between a connected look up and unconnected lookup?

574






What are the different ways to implement parallel processing in informatica?

864


which one is better performance wise joiner or look up

628


what are the fact table & dimensional table in pharmaceutical and hospotal related products???

1697


where to store informatica rejected data? How to extract the informatica rejected data?

607


What are the types of caches in lookup? Explain them.

553


How to handle decimal places while importing a flatfile into informatica?

725


Can we create a Integration service without a Repository service and vice versa?

725


what is unit testing?tell me proceedure

1782


 Informatica Checkpoints

2857


How does the aggregator transformation handle null values?

699