Below are good Teradata resources. The Teradata online database is good for practice. Apart from the above, you can try below list of sources.
Two Python methods that show you how to count blank spaces in a text file
Here is an SQL query explained to get duplicate records from a table
The unique tips you must know before you write a high-performing stored procedure in DB2
Here are the COBOL file status codes explained each category
Something went wrong. Please refresh the page and/or try again.