⟩ Tell me what is a relational data modelling?
Visual representation of objects in a relational database is called as relational data modelling, table contains row and copy.
Visual representation of objects in a relational database is called as relational data modelling, table contains row and copy.
How would you determine who has added a row to a table?
How can you rebuild an index?
Explain what partitioning is and what its benefit is.
How can you gather statistics on a table?
You have just compiled a PL/SQL package but got errors, how would you view the errors?
How can you enable a trace for a session?
What is the difference between the SQL*Loader and IMPORT utilities?
What are the options available to refresh snapshots?
What is a database schema?
What is a SNAPSHOT LOG?