What SQL command can be used to delete columns from table?
Practice Joins (DBMS) Questions – What SQL command can be used to delete columns from table?
Joins (DBMS) Questions
The common column is eliminated in
Practice Joins (DBMS) Questions –
The common column is eliminated in
…………….. requires that data should be made available to only
Practice Joins (DBMS) Questions – …………….. requires that data should be made available to only authorized users.
If two relations R and S are joined, then the non matching tuples o
Practice Joins (DBMS) Questions –
If two relations R and S are joined, then the non matching tuples of both R and S are ignored in
Which of the following relational algebra operations do not require
Practice Joins (DBMS) Questions –
Which of the following relational algebra operations do not require the participating tables to be union-compatible?
