Trouble with city, state in Mysql Query

Hello,
I am having trouble with a query I am trying to setup. Basically, I want the user to type in their city. Then I want the system to ask them which city,state combo is theirs. So if they enter "Washington" the system will return:
Select your city/state:
Washington, NJ
Washington, PA
Washington, DE
City and state are stored as two fields in my mysql DB. I was considering using 'select distinct' but I wasnt sure how it would work in relation to two fields. So how would I go about making sure washington, nj only appears once (its in a database where there will be multiple washington, NJ listed).
So anyone have any ideas or code samples they have used to do something like this?
Thanks in advance,
Mark

davella wrote:
City and state are stored as two fields in my mysql DB. I was considering using 'select distinct' but I wasnt sure how it would work in relation to two fields. So how would I go about making sure washington, nj only appears once (its in a database where there will be multiple washington, NJ listed).
DISTINCT works the same way for single field or multiple fields. It returns all distinct combinations of the values in the columns you have listed.
SELECT DISTINCT City, State
FROM Table
WHERE City = 'Washington'
(Data) City, State
Washington, NJ
Washington, PA
Washington, NJ
Washington, DE
Washington, NJ
Washington, PA
So for your two columns it would distinct combinations of the "City" and "State" values. But why are there multiple "Washington, NJ" records? Are they actually different cities or duplicate records?
(Results)
Washington, NJ
Washington, PA
Washington, DE

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Edited by: Pramod Verma on Mar 5, 2013 4:59 AM
Updated query and added more details

>
Since I am using Trunc() in the where clause so timing should not matter much. Also I manually ruled out records which were updated after the job run.
>
The first rule of troubleshooting is to not let your personal opinion get in the way of finding out what is wrong.
Actually this code, and the process it represents, is the most likely CAUSE of the problem.
>
where trunc(updated_date) > = trunc(sysdate-3)
>
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>
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>
Another wrinkle is when data is inserted/updated from different timezones and the UPDATED_DATE value is from the CLIENT pc or server. Then you can get even more data missed since the client dates may be hours different than the server date used for the data pull process.
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Hi!
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In my application the "month" is always the currently month taken from the "System". Look what I'm doing...
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ResultSet rs = statement1.executeQuery(consulta1);
boolean moreRecords = rs.next();
The variable "moreRecords" is always "false", the query returns nothing although the table "client" has records that attend the query.
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Hi Katia,
I'll bet the problem lies with the characters you're using to escape the LIKE clause. You're using the ones that Access likes to see, but that's not necessarily what's built into the JDBC-ODBC driver class.
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statement.setString(1, test);
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Weird problem with mysql query and data table buttons !!!!

Hi,
I'm using jsc 2 update 1 on windows and mysql 4.1 . I have a page with a data table. One column of the data table contains "Details" buttons.
Source query for the table is :
SELECT tbl_tesserati.idtbl_tesserati idTesserato,
tbl_tesserati.num_tessera,
tbl_tesserati.nome,
tbl_societa.codice_meccanografico
FROM tbl_tesserati
INNER JOIN tbl_rel_tesserato_discipline_societa ON tbl_tesserati.idtbl_tesserati = tbl_rel_tesserato_discipline_societa.id_tesserato
INNER JOIN tbl_cariche ON      tbl_rel_tesserato_discipline_societa.id_carica = tbl_cariche.idtbl_cariche
INNER JOIN tbl_qualifiche ON      tbl_rel_tesserato_discipline_societa.id_qualifica = tbl_qualifiche.idtbl_qualifiche
INNER JOIN tbl_discipline ON      tbl_rel_tesserato_discipline_societa.id_disciplina = tbl_discipline.idtbl_discipline
INNER JOIN tbl_societa ON      tbl_rel_tesserato_discipline_societa.id_societa = tbl_societa.idtbl_societa
LEFT JOIN tbl_province ON tbl_societa.provincia_sede_sociale = tbl_province.idtbl_province
LEFT JOIN tbl_comuni ON tbl_societa.comune_sede_sociale = tbl_comuni.idtbl_comuni
LEFT JOIN tbl_rel_tesserato_discipline_praticate ON tbl_rel_tesserato_discipline_praticate.tessera_id=
tbl_rel_tesserato_discipline_societa.idtbl_rel_tesserato_discipline
LEFT JOIN tbl_discipline_praticate ON tbl_discipline_praticate.idtbl_disciplina_praticate=tbl_rel_tesserato_discipline_praticate.disciplina_praticata_id
WHERE
tbl_tesserati.cognome LIKE ?
AND tbl_tesserati.nome LIKE ?
AND tbl_rel_tesserato_discipline_societa.id_societa LIKE ?
AND tbl_tesserati.idtbl_tesserati LIKE ?
AND tbl_cariche.idtbl_cariche LIKE ?
AND tbl_qualifiche.idtbl_qualifiche LIKE ?
AND tbl_tesserati.data_nascita >= ?
AND tbl_tesserati.data_nascita<= ?
AND tbl_discipline.idtbl_discipline LIKE ?
AND codice_affiliazione LIKE ?
AND tbl_societa.denominazione LIKE ?
AND YEAR(tbl_rel_tesserato_discipline_societa.data_scadenza) LIKE ?
AND (tbl_province.nome LIKE ? OR tbl_province.nome IS NULL)
AND ( tbl_comuni.nome LIKE ? OR tbl_comuni.nome IS NULL)
The tbl_tesserati.data_nascita is a mysql date field.
The click event handler code for the "Details" Button is:
public String btnModificaTesserato_action() {
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            getRequestBean1().setId_tesserato((Long)rowData.getValue("idTesserato"));
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            log("errore nella query",ex);
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If i set a breakpoint in the code line TableRowDataProvider rowData= (TableRowDataProvider)getBean("currentRowTesserati");the debbuger does not stop the code execution ! As if the button was never clicked!
I tried to modify the source query to :
SELECT tbl_tesserati.idtbl_tesserati idTesserato,
tbl_tesserati.num_tessera,
tbl_tesserati.nome,
tbl_societa.codice_meccanografico
FROM tbl_tesserati
INNER JOIN tbl_rel_tesserato_discipline_societa ON tbl_tesserati.idtbl_tesserati = tbl_rel_tesserato_discipline_societa.id_tesserato
INNER JOIN tbl_cariche ON      tbl_rel_tesserato_discipline_societa.id_carica = tbl_cariche.idtbl_cariche
INNER JOIN tbl_qualifiche ON      tbl_rel_tesserato_discipline_societa.id_qualifica = tbl_qualifiche.idtbl_qualifiche
INNER JOIN tbl_discipline ON      tbl_rel_tesserato_discipline_societa.id_disciplina = tbl_discipline.idtbl_discipline
INNER JOIN tbl_societa ON      tbl_rel_tesserato_discipline_societa.id_societa = tbl_societa.idtbl_societa
LEFT JOIN tbl_province ON tbl_societa.provincia_sede_sociale = tbl_province.idtbl_province
LEFT JOIN tbl_comuni ON tbl_societa.comune_sede_sociale = tbl_comuni.idtbl_comuni
LEFT JOIN tbl_rel_tesserato_discipline_praticate ON tbl_rel_tesserato_discipline_praticate.tessera_id=
tbl_rel_tesserato_discipline_societa.idtbl_rel_tesserato_discipline
LEFT JOIN tbl_discipline_praticate ON tbl_discipline_praticate.idtbl_disciplina_praticate=tbl_rel_tesserato_discipline_praticate.disciplina_praticata_id
WHERE
tbl_tesserati.cognome LIKE ?
AND tbl_tesserati.nome LIKE ?
AND tbl_rel_tesserato_discipline_societa.id_societa LIKE ?
AND tbl_tesserati.idtbl_tesserati LIKE ?
AND tbl_cariche.idtbl_cariche LIKE ?
AND tbl_qualifiche.idtbl_qualifiche LIKE ?
AND tbl_tesserati.data_nascita >= ?
OR tbl_tesserati.data_nascita<= ?
AND tbl_discipline.idtbl_discipline LIKE ?
AND codice_affiliazione LIKE ?
AND tbl_societa.denominazione LIKE ?
AND YEAR(tbl_rel_tesserato_discipline_societa.data_scadenza) LIKE ?
AND (tbl_province.nome LIKE ? OR tbl_province.nome IS NULL)
AND ( tbl_comuni.nome LIKE ? OR tbl_comuni.nome IS NULL)
Using this query everything works well !! The click handler works and the debugger too !!
I changed only the AND in OR !!!
I also tried to change mysql-x-x-connector driver but without solving my problem.
Can someone help me ?
Thanks
Giorgio

You'll find that it is more to do with the way MySql deals with dates than anything else! Depending on how your date field is setup, then try using a BETWEEN statement for those 2 lines in your first query e.g.
AND ( tbl_tesserati.data_nascita BETWEEN ? AND ?)
The date column needs to be in the ISO format to work. If you examine your second query output, you might discover that the output is only going to refer to one parameter (probably the OR one). Did you manage to view the output logs from the application server? You would have got an idea from there with a message like stating a conversion error'.
Alternatively, you could try using the to_days() function and convert it directly to a number which would be a lot easier to deal with. For example:
AND to_days(tbl_tesserati.data_nascita >= ? )
AND to_days( tbl_tesserati.data_nascita<= ? )
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More info about date formatting (v5) here:
http://dev.mysql.com/doc/refman/5.0/en/date-and-time-functions.html#function_to-days
Before I forget, sometimes you may need to treat dates as Strings rather 'Long' as you did.
As a matter of interest, did you try your query in a different piece of software?
If my queries are a little more complicated, I tend to try MySql queries out in the free MySql query browser and also double check in another to verify certain issues. I found it easier to develop SQL in a seperate program then import the final version to JSC making the required modifications for parameters.
Message was edited by:
aerostra

Need help with MySQL Query...Again

Ok so I get this error when I enter "springfield" and "MA" for the city and state.
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java.sql.SQLException: Unknown column 'springfield' in 'where clause'
Error4
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                              output.flush();
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                              output.writeUTF(city);
                              output.flush();
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                         city = input.readUTF();
                         state = input.readUTF();
                         DatabaseConnection.connect();
                         DatabaseConnection.rs = DatabaseConnection.s
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     static String user = "*******";
     static String password = "********";
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               Class.forName(driver).newInstance();
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               con.setAutoCommit(false);
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          try {
               rs.close();
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R.Baldwin7 wrote:
I tried it. Still getting the same error.
Code no looks like:
else if (choice == 2) {
                         city = input.readUTF();
                         state = input.readUTF();
                         DatabaseConnection.connect();
                         PreparedStatement ps = DatabaseConnection.con.prepareStatement("SELECT ZipCode FROM Zipcodes "
                                   + "WHERE City = " + city + " AND State = "
                                   + state);
                         DatabaseConnection.rs = ps.executeQuery();
                         while (DatabaseConnection.rs.next()) {
                              zipcode = DatabaseConnection.rs.getInt("ZipCode");
                              output.writeInt(zipcode);
                              output.flush();
Read the API docs and the JDBC Tutorials for the proper way to use a PreparedStatement. It may "work" to add the quotes, but it is definately not the right way to do it. What happens if the city entered contains an apostrophe? Your statement will be broken again. Like I said, use a PreparedStatement and use it right.

Having alot of trouble with a query

Hey, I'm having trouble with a query for an assignment. The questions states
Find the name of the highest earning employee in each location, excluding managers, salespeople and the president
The problem I'm having is that my query returns the highest earning employee from each location perfectly, but one of those returned is a salesperson, so the next highest earning person in that location should be returned.
We are also not allowed to create a temporary table
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select
e.first_name,
e.last_name,
e.salary,
l.regional_group
from employee e
inner join department d
on d.department_id = e.department_id
inner join location l
on l.location_id = d.location_id
where e.salary = (select max(e2.salary) from employee e2
inner join department d2
on d2.department_id = e2.department_id
inner join location l2
on l2.location_id = d2.location_id
where l2.location_id = l.location_id
and e.job_id !=672;
the job_id refers to what job title they have
and here's the schema below
Schema
Any help you could give me on this would be fantastic as I have been pulling my hair out over this for the last day.
Edited by: 837562 on 17-Feb-2011 02:14

Maybe you can try the below:
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union
select 2 location_id, 'loc2' regional_group from dual
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union
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UNION
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select 4 job_id, 'REST_1' job_function from dual
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select 6 employee_id, 'f' last_name, 600 salary,2, 3 from dual union
select 7 employee_id, 'g' last_name, 700 salary,2, 4 from dual union
select 8 employee_id, 'h' last_name, 800 salary,2, 4 from dual
select
regional_group, employee_id, max_salary
from
select e.regional_group, b.department_id, employee_id, salary, max(b.salary) over (partition by b.department_id order by b.department_id) max_salary
from
employee b,
job_function c,
department d,
job_location e
where
b.job_id = c.job_id and
b.department_id = d.department_id and
e.location_id = d.location_id and
c.job_id not in (1,2,3)
) where salary = max_salary;
"REGIONAL_GROUP"     "EMPLOYEE_ID"     "MAX_SALARY"
"loc1"     "2"     "200"
"loc2"     "8"     "800"

Trouble with query on Reports

Hi,
I am having trouble with a query which results from a join of 4 tables, of which, one table is shortened by grouping it along one column.
for example
A join B join C join (D grouped by D.S)
In MS Access I had used a separate query to represent this and done a join with the remaining tables to generate my report.
Any one has any idea about how this can be done using just one query, or any way I can store the sub-result elsewhere like in Access.
Thanks!

Not usre this is a reports issue, but:
I think you are trying to select from tables and queries in one.
IN your SQL statement try
SELECT data,etc
FROM
A,
B,
C
, (select distinct S from D) Q_D
where
A join B join C join Q_D
Note that I don't think you can use sub queries like this in Access

I am having trouble with app updates on my iOS 5 iPhone never getting beyond the "waiting" state.

I am having trouble with app updates on my iOS 5 iPhone never getting beyond the "waiting" state. I have tried signing out/in of my account, rebooting and removing/re-installing the apps. This started shortly after going to iOS 5 but I am not certain if that is related. All updates that I try now are stuck in "waiting". I also tried removing the apps and then installing via iTunes desktop sync with no improvement. The only thing that I have not tried so far is a restore to a prior iPhone backup. I have not been able to find anything to indciate what the updates on waiting on. There is plenty of space on the iPhone (16gb available). Any suggestions on what to try next?

Hello there, Missy.
First thing I would recommend is to check your downloads queue to make sure there is not an interrupted download per the following Knowledge Base article:
iTunes: How to resume interrupted iTunes Store downloads
http://support.apple.com/kb/HT1725
If your download was interrupted using your iPhone, iPad, or iPod touch
1. From the Home screen, tap the iTunes app.
2. For iPhone or iPod touch, tap More > Downloads. For iPad, tap Downloads.
3. Enter your account name and password if prompted.
4. Tap the blue download arrow to resume.
If you can't complete the download on your iOS device, you can download it in iTunes on your Mac or PC and then sync it to your iOS device. You can also transfer purchases from your iPhone, iPad, or iPod to a computer.
For Apps, you can also try tapping on the application icon to resume the download, as outline in this featured discussion:
App updates won't download on my...: Apple Support Communities
https://discussions.apple.com/thread/4111336
Try tapping the App, so that it changes to Paused instead of Waiting, then tap it again to resume the install.
Make sure you don't have any paused downloads in other apps either, like the App Store or iTunes Store.
If that doesn't do it, try resetting or restoring the iPhone.
via whatheck
Thanks for reaching out to Apple Support Communities.
Cheers,
Pedro.

Invalid state in SQL query for a function that was created with no errors.

SQL> CREATE OR REPLACE FUNCTION overlap(in_start1 IN TIMESTAMP, in_end1 IN TIMESTAMP, in_start2 IN TIMESTAMP, in_end2 IN TIMESTAMP) RETURN NUMBER
2 IS
3
4 BEGIN
5 IF (in_start1 BETWEEN in_start2 AND in_end2 OR in_end1 BETWEEN in_start2 AND in_end2 OR in_start2 BETWEEN in_start1 AND in_end1) THEN
6 RETURN 0;
7 ELSE
8 RETURN 1;
9 END IF;
10 END;
11 /
Function created.
SQL> show errors;
No errors.
SQL>
SQL> SELECT * FROM tbl where overlaps(current_time,current_time+1,current_time-1,current_time+2) = 0;
SELECT * FROM tbl where overlaps(current_time,current_time+1,current_time-1,current_time+2) = 0
ERROR at line 1:
ORA-06575: Package or function OVERLAPS is in an invalid state
I do not understand why overlaps is returned as in invalid state in the query, when it was created with no errors earlier. Could anyone help me?

Marius
Looking at the logic you are trying to create it looks like you are looking for overlapping time periods.
Consider two date/time ranges:
Range 1 : T1 - T2
Range 2 : T3 - T4
Do they overlap?
1) No: T1 < T4 (TRUE) T2 > T3 (FALSE)
T1 --- T2
           T3 --- T4
2) Yes: T1 < T4 (TRUE) T2 > T3 (TRUE)
T1 ---------- T2
           T3 --- T4
3) Yes: T1 < T4 (TRUE) T2 > T3 (TRUE)
T1 -------------------- T2
           T3 --- T4
4) Yes: T1 < T4 (TRUE) T2 > T3 (TRUE)
               T1 ----- T2
           T3 --- T4
5) Yes: T1 < T4 (TRUE) T2 > T3 (TRUE)
           T1 --- T2
       T3 ------------ T4
5) No: T1 < T4 (FALSE) T2 > T3 (TRUE)
                T1 --- T2
       T3 --- T4Answer: Yes they overlap if:
T1 < T4 AND T2 > T3
So you can code the logic in your SQL as simply:
SELECT *
FROM tbl
WHERE range1_start < range2_end
AND    range_1_end > range2_startIf you go around implementing PL/SQL functions for simple logic that can be achieved in SQL alone then you cause context switching between the SQL and PL/SQL engines which degrades performance. Wherever possible stick to just SQL and only use PL/SQL if absolutely necessary.

I have a Lucid 2 LG. I have been having trouble with insuffient storage. I have a 8G phone and have spent hours with Tier 2 tech trying to move info from the internal storage to the SD card with no luck, When I go to storage in the settings it states t

I have a Lucid 2 LG. I have been having trouble with insuffient storage. I have a 8G phone and have spent hours with Tier 2 tech trying to move info from the internal storage to the SD card with no luck, When I go to storage in the settings it states that over 4 gigs is for Misc? System data takes up over 4 gigs. No one can tell me what system data consist of. So My question is does anyone know what system data is? I am assuming I have a 8 gigphone but can only use 4 gigs???

System data is the OS or operating system. That is where the recovery stays separated from the rest of the storage so that it doesn't get corrupted. It is not accessible and non-movable.

Trouble with city, state in Mysql Query

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