What is build.xml file ? For what it is used for ? What does it actually contain ?
When and why we go for it ?
muzu1232004
Last Activity: Mar 21 '08, 08:27 AM
Joined: Aug 22 '07
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What is BUILD.XML file ?
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How to install a hibernate plugin in Eclipse
Do any one know the steps for installing the hibernate plugin in an Eclipse IDE ? I have downloaded the hibernate zip file and extracted it into a seperate folder.
How to add hibernate to the eclipse ? -
Understanding the keyword static
1.Please let me know about what the static keyword means.
2.Is it possiblle to define the static and write its method inside it such as
static {
some implementations ;
}
3.Also where does the control goes when java compiler encounters the word static ? when do we actually use static keyword. -
i do not know what 'make' program is all about ? Please let me know in simple terms.... -
Doubt in understanding Protected accessor
When we declare a variable as protected in one class 'A' , inside one package X, and we create another class 'B' in another package Y which extends the the Class 'A' in package X. Is it possible, when we create an object out of Class 'B' in package Y, to access the variables in the class 'A' (superclass) ? -
Ant Script Understanding
May i know what exactly an ant script means and why is significant and when we actually use it ? -
muzu1232004 started a topic Clarification regarding "Raise Application Error" and "seq_collision exception"in OracleClarification regarding "Raise Application Error" and "seq_collision exception"
What does the RAISE_APPLICATI ON_ERROR mean ? When this error is raised whether the database errors are occurred ? Please can any one explain clearly what this error means ?
Also What does the seq_collision exception means and when it will be raised under what conditions ? What is the general correction to be done when this type of error occurs ? -
Function To get the number of dots in string variable
Is there any function in SQL to get the number of dots in a string variable.
Suppose
str1 is a varchar2 type variable
str1='adf.hjk.j hh.jhkjh.'
Any function or any method is available in sql to get the number of dots in the string data variable. The result should give the number of dots present i.e it should give 4 as value. -
doubt while installing oracle db in linux
What is the meaning of a group in linux ?
why do we add the groups named as dba,oinstall,op er and
also a user before installing the oracle software on linux machine ?
Can any one explain me the understanding of this ? -
How To Approach Error Messages
Hi,
I just want to know that whenever an error occurs such as in pl/sql execution, exporting or importing, or any other oracle server error messages, How to approach and solve the same ? I am feeling a bit difficult of how to approach in a correct way while solving it. It takes a lot of searching without getting solutions in a timely manner. Can anyone suggest about this ? -
EXPORT ERROR encountered
i got the following
Error message occurred while exporting:
EXP-00008: ORACLE error 1455 encountered
ORA-01455: converting column overflows integer datatype
EXP-00056: ORACLE error 1403 encountered
ORA-01403: no data found
EXP-00000: Export terminated unsuccessfully
Please let me know if any one has encountered it before and how to solve the... -
So is it possible to write the nested subqueries from all the types of correlated subquery ? what are the advantages of writing a correlated subquery ? PLease let me know about this.Leave a comment:
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Clarification required while using correlated subqueries
Can anyone explain me when we use correlated subqueries rather than nested subqueries.
Do all the correlated subqueries can be written in nested subqueries form as well ?
What are the major conditions that apply whenever we write a correlated subquery and why we go for it ?
Please let me know about this as i am not clear which to use when. -
Thanks for ur reply.
i had the same problem.Leave a comment:
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Query to delete one of the duplicate rows
Is there any query which will delete exactly one of the duplicate rows in a table and retain only one ? -
Doubt in understanding about NON-UNIQUE INDEX
If I have a table t1 with a column a as follows
A
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
if i create a non unique index on column A of table t1
and access a row by giving the following select statement
select a from t1 where a > 1;
where we get all...
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