Answer Posted / ramanjeet saini

The performance of cache memory is measured in terms of hit ratio.If a data item requested by cpu is found in the cache,it is called a hit.If the requested data item is not found,it is called a miss.hit ratio is the ratio of number of hitsdivided by total requests

What is an Integrity Constrains in Oracle?

1228

---

What is the use of Oracle Control File?

1109

---

What is an Oracle Data Block?

1114

---

What is an Oracle Data Dictionary?

1157

---

What are the consideration at tehe migration of Oracle 9i to 10G.

3112

---

What is an oracle database schema?

1160

---

What are Oracle Schema Objects?

1150

---

How to calculate the approximate size of the SGA based on the size of the block,shared_pool,redo_buffer_cache and db_buffer_cache?

2750

---

What is an Oracle Rollback Segment?

1160

---

Can a Tablespace hold objects from different Schemes in Oracle?

1082

---

Can a View based on another View in Oracle?

1064

---

What is an Oracle SYSTEM tablespace and when is it Created?

1163

---

What is the function of Redo Log in Oracle?

1264

---

What is an Oracle Data Segment?

1092

---

Teradata: How can we know the indexed column in a table?

1937

---