Are pl sql variables case sensitive?

0 Answers  

---

What is sql catalog?

0 Answers  

---

Why select is used in sql?

0 Answers  

---

How is use pl and sql?

0 Answers  

---

Difference between truncate, delete and drop commands?

0 Answers  

---

I want to create synonym for table emp but in my pc it is giving insufficient previliges.I am using user scott.Please suggest me.

3 Answers  

---

how to remove records from table? no name 1 a 2 b 1 a 2 b 3 c

8 Answers   Oracle,

---

What is the difference between null value, zero, and blank space?

0 Answers  

---

Is sql a backend language?

0 Answers  

---

What is the difference between mdf and ndf files?

0 Answers  

---

mail-id table contains two columns(email_id,userid) it contains different types of mail-ids,and no of users. here username length is differ na,(ex- tamil@yahoo.com,joshua@hotmail.com like) now i want to fetch the email-ids only starting from '@' (ex-@gmail.com,@yahoo.com,@hotmail.com

5 Answers  

---

1.when will you use week refcursor and when will you use strong ref cursor ? 2.what is the use of sql trace..how do you use it ? 3.can you please send all the sql plus commands...like set line 6000....

1 Answers   Satyam,

---