Answer / sudipta santra

to_char(sysdate,'DD-MON-RRRR HH24:MI:SS')

Answer / rajgopal

select to_char(sysdate,'ddsp')||'-'||to_char(sysdate,'mon')||'-'||to_char(sysdate,'yyyysp') from dual

Answer / r98

select to_char(sysdate,'ddsp-month-yyyysp') from dual;

Answer / yogesh

Rajagopal answer is correct.

If there are 1 to 100 numbers in a table and in that 100 numbers some 10 numbers are deleted.I want to find out the missing numbers between 1 to 100 by pl/sql how?

9 Answers   JPMorgan Chase,

---

I want to display the employees who have joined in last two months. (It should be executed randomly means If I execute the query in March it should display Jan and Feb joined employees. Same query if i execute in Feb, 2007 it should display dec, 2006 and jan 2007 joined employees.

15 Answers   Wipro,

---

What is differance unique key and primary key.

7 Answers   EDS,

---

Is pl sql a scripting language?

0 Answers  

---

Which is better stored procedure or query?

0 Answers  

---

How to read/write files from pl/sql?

0 Answers  

---

Why do you partition data?

0 Answers  

---

How to get each name only once from an employee table?

0 Answers  

---

how to use like conditions? : Sql dba

0 Answers  

---

How would you go about increasing the buffer cache hit ratio? 0. Explain the difference between a hot backup and a cold backup and the benefits associated with each 1. You have just had to restore from backup and do not have any control files. How would you go about bringing up this database? 2. How do you switch from an init.ora file to a spfile? 3. Explain the difference between a data block, an extent and a segment. 4. Give two examples of how you might determine the structure of the table DEPT. 5. Where would you look for errors from the database engine? 6. Compare and contrast TRUNCATE and DELETE for a table. 7. Give the reasoning behind using an index. 8. Give the two types of tables involved in producing a star schema and the type of data they hold. 9. What type of index should you use on a fact table? 10. Give two examples of referential integrity constraints. 11. A table is classified as a parent table and you want to drop and re-create it. How would you do this without affecting the children tables? 12. Explain the difference between ARCHIVELOG mode and NOARCHIVELOG mode and the benefits and disadvantages to each. 13. What command would you use to create a backup control file? 14. Give the stages of instance startup to a usable state where normal users may access it. 15. What column differentiates the V$ views to the GV$ views and how? 16. How would you go about generating an EXPLAIN plan?

2 Answers  

---

Is progress software supports to ( pl/sql )?

0 Answers  

---

What is a join?

0 Answers  

---