The document contains questions about various Oracle concepts: 1) Ref cursors, cursor attributes, and locks are discussed as well as restricting access to tables during operations. 2) PL/SQL tables and bulk collect are mentioned. 3) Autonomous transactions allow transactions to commit without affecting the main transaction. 4) The AUTH ID parameter controls authorization for procedures, functions, and packages. 5) Questions cover functions like SUBSTR and INSTR as well as analytical functions like RANK and partition by.