Answer / Sumayya

The redo log in Oracle Database is a critical component that records changes made to the database. It contains a sequence of redo entries, each representing a single transaction or part of a transaction. The redo log ensures data consistency and durability by allowing the database to roll forward the transaction log during recovery.

Explain the use of indexes option in imp command.

1 Answers  

---

What is a Tablespace?

5 Answers  

---

Hi Every One , What is the table Space in Oracle Database ? waiting for answere and thankyou

8 Answers  

---

20. Using a set operator, display the client number of all clients who have never placed an order.

1 Answers   Wipro,

---

How to create a new table in your schema?

1 Answers  

---

hi friends, I have a table A col as status|NUM and value as open |1 open |2 close |3 close |3 the O/P should be open|close 1 |3 2 |4

1 Answers   CTS,

---

what is view?

7 Answers   Accenture,

---

What is an oracle function?

1 Answers  

---

can u call user defined functions in select statements

2 Answers  

---

What is the effect of setting the value "all_rows" for optimizer_goal parameter of the alter session command? What are the factors that affect optimizer in choosing an optimization approach?

1 Answers  

---

What is Database Link ?

2 Answers  

---

Is postgres faster than oracle?

1 Answers  

---