I am working with Rstudio, when I am trying to call data. table in R Library (data. table ) I revived the following warning message data. table 1. 14 .0 using 4 threads (see ?getdtthreads). 279 Because TRUNCATE TABLE is a DDL command, it cannot check to see whether the records in the table are being referenced by a record in the child table . This is why DELETE works and TRUNCATE TABLE doesn't: because the database is able to make sure that it isn't being referenced by another record. I created local database in DB2 called "TestDB" then I created table called "TestTable". I found that the table is put under schema name is "yasmin". I am trying to connect to the DB2 database usin... You'll need to complete a few actions and gain 15 reputation points before being able to upvote. Upvoting indicates when questions and answers are useful. What's reputation and how do I get it? Instead, you can save this post to reference later.