you are sorting a table using "order by"(descending) clause of
a column which contains a null value...whether that row
containing null value will come first or last in the output??
Answers were Sorted based on User's Feedback
The column contains null value will come first.. COz oracle consider the null value as larger value in this case....
Is This Answer Correct ? | 15 Yes | 0 No |
Answer / suman rana
if you are sorting a table using "order by"(descending)
clause of a column which contains a null value, row
containing null value will come first. Alternatively you can
use the clause "Nulls First" along with order by clause to
appear the Null values first.
Is This Answer Correct ? | 9 Yes | 0 No |
sql query to get zero records from a table
What do you know about normalization? Explain in detail?
in account table account type amount ac1 credit 300 ac2 debit 5000 ac3 credit 3000 ac1 debit 4000 ac3 debit 2000 ac2 credit 4000 write a query how to get sum of credit & sum of debit
How to create DSN..Explain?
2 Answers Accenture, BeBo Technologies, Infosys,
How can return max date row A b c d e 1 2 1-mar-09 5 10 1 2 10-mar-09 5 10 Only using oracle predefined function. Not user defined. Output:-- A b c d e 1 2 10-mar-09 5 10
Explain index?
How would you design a database for an e-commerce website?
what is analyze command ? what kind of statistics does it generate?
Q1:code to connect to sql server(database) through jdbc application. Q2:code to connect to Mysql(database) through jdbc application. Q3:code to connect to oracle(database) through jdbc application.
SQLERRM is a a. Constraint b. Pre Defined Exception c. Pseduocolumn d. Constant e. None of Above.
Explain the use of file option in exp command.
What's dateware house and what's clustor with practicle example