Need a help in SQL query
Hi,
I need a help in writing an SQL query . I am actually confused how to write a query. Below is the scenario.
CREATE TABLE demand_tmp
( item_id NUMBER,
org_id NUMBER,
order_line_id NUMBER,
quantity NUMBER,
order_type NUMBER
CREATE TABLE order_tmp
( item_id NUMBER,
org_id NUMBER,
order_line_id NUMBER,
open_flag VARCHAR2(10)
INSERT INTO demand_tmp
SELECT 12438,82,821,100,30 FROM dual;
INSERT INTO demand_tmp
SELECT 12438,82,849,350,30 FROM dual;
INSERT INTO demand_tmp
SELECT 12438,82,NULL,150,29 FROM dual;
INSERT INTO demand_tmp
SELECT 12438,82,0,50,-1 FROM dual;
INSERT INTO order_tmp
SELECT 12438,82,821,'Y' FROM dual;
INSERT INTO order_tmp
SELECT 12438,82,849,'N' FROM dual;
Demand_tmp:
Item_id org_id order_line_id quantity order_type
12438 82 821 100 30
12438 82 849 350 30
12438 82 NULL 150 29
12438 82 0 50 -1
Order_tmp :
Item_id org_id order_line_id open_flag
12438 82 821 Y
12438 82 849 N I need to fetch the records from demand_tmp table whose order_line_id is present in order_tmp and having open_flag as 'Y' or if order_type in demand_tmp table is 29.
The below query will give the records whose order line id is present in order_tmp. But, If i need records which are having order_type=29 the below query wont return any records as order_line_id is NULL. If I place outer join I will get other records also (In this example order_type -1 records) . Please help me how can we write a query for this. Expected o/p is below.
Query :
Select item_id,org_id,order_line_id,quantity,order_type,open_flag
from demand_tmp dt , order_tmp ot
where dt.order_line_id = ot.order_line_id
AND dt.item_id=ot.item_id
AND dt.org_id = ot.org_id
AND ot.open_flag = 'Y';
Expected Output :
item_id org_id order_line_id quantity order_type open_flag
12438 82 821 100 30 Y
12438 82 NULL 150 29 NULL Thanks in advance,
Rakesh
Edited by: Venkat Rakesh on Oct 7, 2012 6:32 PM
Edited by: Venkat Rakesh on Oct 7, 2012 8:39 PM
Hi Rakesh,
the query is not working as you would like ( but IS working as expected ) since your trying to compare null to another value.
Comparing null always results in FALSE, also if you compare null to null. This is because null means undefined.
select 1 from dual where null=null results in no data found.
I would suggest using a non natural key to join the tables.
For example include a column ID in the master table which is filled with a sequence and include that field as a foreign key in the detail table.
This way you can easily join master and detail on ID = ID, and you don't have to worry about null values in this column since it's always filled with data.
Regards,
Bas
btw, using the INNER JOIN and OUTER JOIN syntax in your SQL makes it better readable, since you're separating join conditions from the where clause, just a tip ;)
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Input :
TABLE 1 ppl
id name
1 ravi
2 andy
3 john
TABLE 2 fa_ppl
id attr_name attr_value
1 watch Guess
1 laptop Sony
2 fashion casual
2 laptop Dell
3 watch fossil
3 fashion formal
OUTPUT Required:(3 rows)
name watch laptop fashion
ravi guess sony NULL
andy NULL dell casual
john fossil NULL formal
SQL Statements that may help in schema objects:
create table ppl(id number,name varchar2(50));
create table fa_ppl(id number,attr_name varchar2(20), attr_value varchar2(20));
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insert into ppl values(3,'john');
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insert into fa_ppl values(1,'watch','guess');
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insert into fa_ppl values(2,'fashion','casual');
insert into fa_ppl values(3,'fashion','formal');
insert into fa_ppl values(3,'watch','fossil');
I tried in the below way:
Select P.name,
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PROBLEM:
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Thanks a lot.....What you are trying is a pivot. There is a [url https://forums.oracle.com/forums/thread.jspa?threadID=2174552#9360005]thread in the FAQ linking to various methods.
You are actually pretty close, if you just do a group by on your select:
Select P.name,
max(case when attr_name='fashion' then attr_value end) as fashion ,
max(case when attr_name='laptop' then attr_value end) as laptop,
max(case when attr_name='watch' then attr_value end) as watch
from ppl P join fa_ppl F on (P.id=F.id and F.attr_name in ('fashion','laptop','watch'))
group by
p.nameBut if you have several people with same name, you probably want to do this:
Select
p.id, /*you may omit this column if you do not need it*/
max(P.name) as name,
max(case when attr_name='fashion' then attr_value end) as fashion ,
max(case when attr_name='laptop' then attr_value end) as laptop,
max(case when attr_name='watch' then attr_value end) as watch
from ppl P join fa_ppl F on (P.id=F.id and F.attr_name in ('fashion','laptop','watch'))
group by
p.idSimilar can be done in 11G with the PIVOT statement. See the links in the FAQ thread. -
In below query, table A has 200,000 records and table B has 10 million records. There are no indexes on this table at this point, how can i improve the query perfromance ?
select *
from A, B
where A.VARCHAR = SUBSTR(B.VARCHAR, 1, 6)
and TO_DATE(A.DT_Varchar, 'YYYYMMDD') = TO_DATE(B.DT_Varchar, 'DD Mon YYYY')
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Krishna4Oracle wrote:
In below query, table A has 200,000 records and table B has 10 million records. There are no indexes on this table at this point, how can i improve the query perfromance ?
select *
from A, B
where A.VARCHAR = SUBSTR(B.VARCHAR, 1, 6)
and TO_DATE(A.DT_Varchar, 'YYYYMMDD') = TO_DATE(B.DT_Varchar, 'DD Mon YYYY')
A.VARCHAR & A.DT_Varchar form the uniqueness in Table A
B.VARCHAR & B.DT_Varchar form the uniqueness in Table BDo you need all columns from both tables?
You might want to consider using explicit joins instead, i.e
select a.column1, b.column2 from a
inner join b on
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Johan -
Need help with SQL Query with Inline View + Group by
Hello Gurus,
I would really appreciate your time and effort regarding this query. I have the following data set.
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Help with SQL query invloving time operations
I have created 2 tables in my SQL. One is the user_info table which stores the time of login and timezone of login for each user. The other is the post_table which stores the postid, user who makes the post, time of post and timezone for each posts.
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user_id VARCHAR(20),
login_date DATE,
login_time_zone VARCHAR(20),
PRIMARY KEY (user_id)
CREATE TABLE post_table
post_id VARCHAR(20),
user_id VARCHAR(20),
datepost DATE,
time_zone VARCHAR(20),
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FOREIGN KEY (user_id) REFERENCES user_info(user_id) ON DELETE CASCADE
) ;Some sample data for my tables is as below -
INSERT INTO user_info VALUES( 'u1', to_date('9/17/2009 20:00','MM/DD/YYYY mi:ss'), -2 );
INSERT INTO user_info VALUES( 'u2', to_date('9/17/2009 19:55','MM/DD/YYYY mi:ss'), -4 );
INSERT INTO post_table VALUES( 'p1', 'u1', to_date('9/17/2009 20:50','MM/DD/YYYY mi:ss'), 6 );
INSERT INTO post_table VALUES( 'p2', 'u2', to_date('9/17/2009 20:30','MM/DD/YYYY mi:ss'), -5 );
INSERT INTO post_table VALUES( 'p3', 'u2', to_date('9/18/2009 6:00','MM/DD/YYYY mi:ss'), 2 );
INSERT INTO post_table VALUES( 'p4', 'u1', to_date('9/17/2009 21:00','MM/DD/YYYY mi:ss'), -3 );I need to write an SQL query which - finds the user(s) whose time difference between the login time and the latest time when he/she writes a post is the smallest. I need to consider the timezones here as well.
I am unsure if time_zone should be of type VARCHAR or TIMESTAMP so have created it as VARCHAR in my tables.
Someone please help me form this query.
PS : How do I user <code> tags in this forum to write sql statements.
Edited by: user11994430 on Oct 9, 2009 5:59 PMI tried with the following test data
INSERT INTO user_info VALUES( 'u1', to_date('9/17/2009 20:00','MM/DD/YYYY mi:ss'), 1 );
INSERT INTO user_info VALUES( 'u2', to_date('9/16/2009 13:00','MM/DD/YYYY mi:ss'), 1 );
INSERT INTO user_info VALUES( 'u3', to_date('9/18/2009 15:00','MM/DD/YYYY mi:ss'), 0 );
INSERT INTO user_info VALUES( 'u4', to_date('9/20/2009 17:00','MM/DD/YYYY mi:ss'), 0 );
INSERT INTO user_info VALUES( 'u5', to_date('9/14/2009 3:00','MM/DD/YYYY mi:ss'), -3 );
INSERT INTO user_info VALUES( 'u6', to_date('9/15/2009 6:00','MM/DD/YYYY mi:ss'), -3 );
INSERT INTO user_info VALUES( 'u7', to_date('9/16/2009 7:00','MM/DD/YYYY mi:ss'), 0 );
INSERT INTO user_info VALUES( 'u8', to_date('9/17/2009 8:00','MM/DD/YYYY mi:ss'), -8 );
INSERT INTO user_info VALUES( 'u9', to_date('9/18/2009 9:00','MM/DD/YYYY mi:ss'), 0 );
INSERT INTO user_info VALUES( 'u10', to_date('9/19/2009 10:00','MM/DD/YYYY mi:ss'), 1 );
INSERT INTO user_info VALUES( 'u11', to_date('9/20/2009 11:00','MM/DD/YYYY mi:ss'), -5 );
INSERT INTO user_info VALUES( 'u12', to_date('9/21/2009 19:00','MM/DD/YYYY mi:ss'), -8 );
INSERT INTO user_info VALUES( 'u13', to_date('9/1/2009 4:00','MM/DD/YYYY mi:ss'), -3 );
INSERT INTO user_info VALUES( 'u14', to_date('9/22/2009 7:00','MM/DD/YYYY mi:ss'), 1 );
INSERT INTO user_info VALUES( 'u15', to_date('9/24/2009 23:00','MM/DD/YYYY mi:ss'), 1 );
INSERT INTO user_info VALUES( 'u16', to_date('9/25/2009 11:00','MM/DD/YYYY mi:ss'), 1 );
INSERT INTO user_info VALUES( 'u17', to_date('9/26/2009 18:00','MM/DD/YYYY mi:ss'), -4 );
INSERT INTO user_info VALUES( 'u18', to_date('9/27/2009 13:00','MM/DD/YYYY mi:ss'), -8 );
INSERT INTO user_info VALUES( 'u19', to_date('9/17/2009 18:00','MM/DD/YYYY mi:ss'), -5 );
INSERT INTO user_info VALUES( 'u20', to_date('9/29/2009 22:00','MM/DD/YYYY mi:ss'), -8 );
INSERT INTO user_info VALUES( 'u21', to_date('9/30/2009 5:00','MM/DD/YYYY mi:ss'), -8 );
INSERT INTO user_info VALUES( 'u22', to_date('9/15/2009 7:00','MM/DD/YYYY mi:ss'), -4 );
INSERT INTO user_info VALUES( 'u23', to_date('9/16/2009 17:00','MM/DD/YYYY mi:ss'), -8 );
INSERT INTO user_info VALUES( 'u24', to_date('9/17/2009 19:00','MM/DD/YYYY mi:ss'), 0 );
INSERT INTO user_info VALUES( 'u25', to_date('9/18/2009 22:00','MM/DD/YYYY mi:ss'), -5 );
INSERT INTO user_info VALUES( 'u26', to_date('9/19/2009 15:00','MM/DD/YYYY mi:ss'), 1 );
INSERT INTO user_info VALUES( 'u27', to_date('9/20/2009 23:00','MM/DD/YYYY mi:ss'), 1 );
INSERT INTO post_table VALUES('p1', 'u26', to_date('9/14/2009 18:00','MM/DD/YYYY mi:ss'), -5 ) ;
INSERT INTO post_table VALUES('p2', 'u2', to_date('7/1/2009 15:00','MM/DD/YYYY mi:ss'), 1 ) ;
INSERT INTO post_table VALUES('p3', 'u2', to_date('7/20/2009 20:00','MM/DD/YYYY mi:ss'), 1 );
INSERT INTO post_table VALUES('p4', 'u5', to_date('7/20/2009 22:00','MM/DD/YYYY mi:ss'), 1) ;
INSERT INTO post_table VALUES( 'p5', 'u2', to_date('7/21/2009 10:00','MM/DD/YYYY mi:ss'), 1 );
INSERT INTO post_table VALUES( 'p6', 'u8', to_date('8/1/2009 20:00','MM/DD/YYYY mi:ss'), -8 );
INSERT INTO post_table VALUES( 'p7', 'u10', to_date('5/3/2009 15:00','MM/DD/YYYY mi:ss'), -3 ) ;
INSERT INTO post_table VALUES( 'p8', 'u25', to_date('9/15/2009 20:00','MM/DD/YYYY mi:ss'), -5 ) ;
INSERT INTO post_table VALUES( 'p9', 'u6', to_date('9/7/2009 19:00','MM/DD/YYYY mi:ss'), -3 ) ;
INSERT INTO post_table VALUES( 'p10', 'u10', to_date('7/22/2009 10:00','MM/DD/YYYY mi:ss'), 1 ) ;
INSERT INTO post_table VALUES( 'p11', 'u9', to_date('7/7/2009 13:00','MM/DD/YYYY mi:ss'), 0) ;
INSERT INTO post_table VALUES( 'p12', 'u2', to_date('7/30/2009 11:00','MM/DD/YYYY mi:ss'), 1 );
INSERT INTO post_table VALUES( 'p13', 'u10', to_date('7/22/2009 8:00','MM/DD/YYYY mi:ss'), 1 );
INSERT INTO post_table VALUES( 'p14', 'u6', to_date('5/30/2009 23:00','MM/DD/YYYY mi:ss'), 1 );
INSERT INTO post_table VALUES( 'p15', 'u3', to_date('5/31/2009 2:00','MM/DD/YYYY mi:ss'), 0 ) ;
INSERT INTO post_table VALUES( 'p16', 'u12', to_date('6/20/2009 7:00','MM/DD/YYYY mi:ss'), -8 ) ;
INSERT INTO post_table VALUES( 'p17', 'u20', to_date('6/20/2009 9:00','MM/DD/YYYY mi:ss'), -8) ;
INSERT INTO post_table VALUES( 'p18','u27', to_date('9/15/2009 11:00','MM/DD/YYYY mi:ss'), -5 );
INSERT INTO post_table VALUES( 'p19','u26', to_date('7/1/2009 20:00','MM/DD/YYYY mi:ss'), 0 ) ;
INSERT INTO post_table VALUES( 'p20', 'u25', to_date('7/2/2009 17:00','MM/DD/YYYY mi:ss'), -5 );
INSERT INTO post_table VALUES( 'p21', 'u27', to_date('7/3/2009 20:00','MM/DD/YYYY mi:ss'), 1) ;
INSERT INTO post_table VALUES( 'p22', 'u2', to_date('9/15/2009 13:00','MM/DD/YYYY mi:ss'), 1 ) ;
INSERT INTO post_table VALUES( 'p23', 'u21', to_date('5/30/2009 17:00','MM/DD/YYYY mi:ss'), -8 );
INSERT INTO post_table VALUES( 'p24', 'u25', to_date('8/30/2009 20:00','MM/DD/YYYY mi:ss'), -5 );
INSERT INTO post_table VALUES( 'p25', 'u18', to_date('9/13/2009 18:00','MM/DD/YYYY mi:ss'), -8 );
INSERT INTO post_table VALUES( 'p26', 'u11', to_date('9/9/2009 13:00','MM/DD/YYYY mi:ss'), -8 );
INSERT INTO post_table VALUES( 'p27', 'u23', to_date('9/10/2009 1:00','MM/DD/YYYY mi:ss'), -5 );
INSERT INTO post_table VALUES( 'p28', 'u22', to_date('9/10/2009 14:00','MM/DD/YYYY mi:ss'), -4 );The output I get is
USER_ID
u25
u9
u20
u5
u27
u8
u21
u23
u22
u26
u10
USER_ID
u3
u12
u18
u2
u6
u11
17 rows selected. -
Hi all,
I have data in the following manner:
CASE_NUMBER HOURS FLAG
1000 10 0
1000 20 0
1000 30 1
1000 40 0
1000 50 1
Here I need to Calculate the total hours for a Case_number till i see the flag as 1.
Here the result must be 10+20+30 Hrs
Another Example
CASE_NUMBER HOURS FLAG
2000 10 1
2000 20 1
Here the result must be only 10.
I am struggling to write a SQL query for this.
Anyones help will be very much greatful
Thanks in Advance
Regards,
Sengathir SubbarayanLook up analytical functions.
something like sum(hours) OVER (PARTITION BY case_number ORDER BY something)
will give you the sum for all rows.
Then you probably want to "throw away" those rows after the flag maybe by summing the flag column too, and throw away all those where the flag is greater than 1 and where it is equal to 1 except for the first one.
I suspect you actually have some other column (other than the number of hours) that define your order - that's what you put in the ORDER BY.
Jon -
I have a table with Columns as as below
id number primary key
object_name varchar2(100)
object_value varchar2(100)
Data is stored as follows
id object_name object_value
10 prop_num 436
20 city dallas
40 Misc 1 90
50 Misc 1 desc min amount
60 Misc 2 700
70 Misc 2 desc interest amount
80 Misc 3
80 Misc 3 desc
SQL should return result as shown below
id object_name object_value
10 prop_num 436
20 city dallas
40 min amount 90
50 interest amount 700
I have done this through plsql code by creating temp table. But I need to do it in a sql query. I am stuck here
Any pointers/help is appreciated
Thanks
Edited by: user9327712 on Mar 11, 2010 8:14 AMI have a table where the ids are stored.
*"object name"* column values are actually another table columns stored as rows here. So in our example prop_num, city,Misc 1, Misc 1 desc, Misc 2, Misc 2
desc,Misc 3 , Misc 3 desc are all columns. These would not change any time
The column object_value has values stored for respective columns.
436, dallas , 90 , min amount , 700 , interest amount are all column values. So these can change.
id object_name object_value
10 prop_num 436
20 city dallas
40 Misc 1 90
50 Misc 1 desc min amount
60 Misc 2 700
70 Misc 2 desc interest amount
80 Misc 3
90 Misc 3 desc
Edited by: user9327712 on Mar 11, 2010 9:57 AM
Edited by: user9327712 on Mar 11, 2010 10:00 AM
Edited by: user9327712 on Mar 11, 2010 10:00 AM -
Complete novice needs help getting SQL Query into Crystal Reports XI
Post Author: MissMarnie
CA Forum: Data Connectivity and SQL
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CA Forum: Data Connectivity and SQL
IF you're trying to get assistance with setting up a query as the source for a report, try posting your Crystal version and the database type.
Different software works differently.
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As for not knowing how to generate a report, that requires experience, there's no generic solution of course..
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I am using Oracle 10g db.
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I am writing one sql query which is like
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Hi,
I have a sql query where i need to extract some info between given dates. The where clause of this query is as follows:
WHERE CPD_BUS_UNIT=:ESI_PRM_1
AND CPD_VOUCHER_DATE >= :P_DATE_FROM
AND CPD_VOUCHER_DATE < (:P_DATE_TO+1)
When i execute the query in toad, i can view the data but not the execution plan.It gives an error ORA-00932-Inconsistent Datatypes.
But when i remove (+1) from :P_DATE_TO, i can c the execution plan and data. Will the data be different from the previous one.
Please suggest how to rewrite the query.Can you please give it a try?
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i am trying to write sql query for a single recordset.
I have an items table with all the standard item info and an item_colorID.
i have a color_lookup table with 2 columns, item_colorID and color_ID
i have a colors table with 2 columns, color_ID and color
i want to join the tables and filter it so that a repeat region shows dynamic data of item name, description, thumb, price
and also a list/menu dynamically populated by color
filtered so that each item shows in the list/menu only the colors that the item has available.
i have tried different variations of this sql
SELECT * FROM items INNER JOIN color_lookup ON color_lookup.item_colorID = items.item_colorID INNER JOIN colors ON colors.color_ID = color_lookup.color_ID WHERE items.itemCatID = 3 ORDER BY items.itemName
but the list/menu shows every color choice multiplied by the number of items in that color
ie White will show 80+ times.
thanks for your help,
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thanks for your help.
I am building a shopping cart and i have a recordset to list the items and a repeat region for that recordset
i have a second recordset for the colors joined to the item_colorID nested inside the repeat region.
the shopping cart software has a 'lookup from recordset' choice for the add to cart servior behavior
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it produces this code
if (isset($totalRows_rs_itemscat3) && $totalRows_rs_itemscat3 > 0) {
$row_rs_itemscat3 = WAEC_findRecordMySQL($rs_itemscat3, "item_ID", $ATC_itemID);
if ($row_rs_itemscat3) {
$ATC_itemName = "".$row_rs_itemscat3['itemName'] ."";// column binding
$ATC_itemDescription = "".$row_rs_itemscat3['itemShortDesc'] ."";// column binding
$ATC_itemWeight = floatval("".$row_rs_itemscat3['itemWeight'] ."");// column binding
$ATC_itemQuantity = "".$_POST["Farrington_1_Quantity_Add"] ."";// column binding
$ATC_itemPrice = floatval("".$row_rs_itemscat3['itemPrice'] ."");// column binding
$ATC_itemThumbnail = "".$row_rs_itemscat3['itemThumb'] ."";// column binding
$ATC_itemcolorchoice = "".$row_rs_colors['color'] ."";// column binding
mysql_data_seek($rs_itemscat3, 0);
$row_rs_itemscat3 = mysql_fetch_assoc($rs_itemscat3);
the column binding for the colors is from a different recordset and when redirecting to the cart page the color info will not show.
So my thinking is if i could get the color list/menu to populate from the same recordset as the item listing, it would solve my add to cart server behavior.
Is it possible to do this with only one recordset?
the products page and the cart page can be seen
http://www.farrington-enterprises.com/rain-gutters.php
add an item to the cart with any color choice and the color info does not carry to the cart. -
Hi,
I have a client requirement to show a report on the device availability. The report should show the output as
Node Availability%
Formula for Availability = (Total No. of Failed/Total No. rows) * 100
My Oracle Table has the following data
NODE SUMMARY
172.16.10.55 Default Interface Ping fail for 172.16.10.55: ICMP timeout
172.16.10.55 Default Interface Ping restore for 172.16.10.55
172.16.10.55 Default Chassis Ping restore for 172.16.10.55
172.16.10.55 Default Chassis Ping fail for 172.16.10.55: ICMP timeout
172.16.10.55 Default Chassis Ping restore for 172.16.10.55
172.16.10.55 Default Chassis Ping fail for 172.16.10.55: ICMP timeout
172.16.10.55 Default Chassis Ping fail for 172.16.10.55: ICMP timeout
172.16.10.55 Default Interface Ping restore for 172.16.10.55
172.16.10.55 Default Interface Ping fail for 172.16.10.55: ICMP timeout
172.16.10.56 Default Chassis Ping restore for 172.16.10.56
172.16.10.56 Default Interface Ping fail for 172.16.10.56: ICMP timeout
172.16.10.56 Default Chassis Ping fail for 172.16.10.56: ICMP timeout
172.16.10.56 Default Chassis Ping restore for 172.16.10.56
172.16.10.56 Default Chassis Ping fail for 172.16.10.56: ICMP timeout
172.16.10.56 Default Chassis Ping restore for 172.16.10.56
172.16.10.56 Default Chassis Ping restore for 172.16.10.56
172.16.10.56 Default Interface Ping fail for 172.16.10.56: ICMP timeout
In the above table the Summary column has the details like 'Ping fail' , 'Ping restore' for each Node. So, for each Node I have to compute the Total Ping Fail / (Total Ping Fail + Ping Restore) * 100 to compute the availability %.
My output should be like the below
Node Availability%
172.16.10.55 55.55
172.16.10.56 54
Can someone please help me with query.
I appreciate your help in advance.
Thanks.
Regards,
RaviShankar.My Oracle Table has the following dataThat's great, but if you want maximum response to your question, then post CREATE TABLE + INSERT INTO statements.
I currently do not have the time to turn your data into them.
And always post the database version you're using.
http://tkyte.blogspot.com/2005/06/how-to-ask-questions.html
Also use the {noformat}{noformat} tag in order to post examples that benefit from staying formatted and thus readable when posted on the forum.
Simply put the tag before and after your examples.
For example, when you type:
{noformat}select *
from dual;{noformat}
it will appear as:select *
from dual; -
Need to run a sql query in the background and display the output in HTML
Hi Guys,
I have a link in my iprocurement webpage, when i click this link, a query (sql query) should be run and the output should be displayed in a HTML page. Any ideas of how this can be done. Help appreciated.
We dont have OA Framework and we r using 11.5.7.
help needed
thanxRead Metalink Note 275880.1 which has the link to developer guide and personalization guide.
-
Hi All,
I need help to get a sql query for included dates
I have this scenario
create table test (names varchar2(100),start_date date,end_date date,exc_flg number);
insert into test values('John',to_date('01-jan-2009','dd-mon-yyyy'),to_date('31-dec-2011','dd-mon-yyyy'),0);
insert into test values('John',to_date('01-jan-2009','dd-mon-yyyy'),to_date('31-dec-2010','dd-mon-yyyy'),1);
insert into test values('Joseph',to_date('01-jan-2009','dd-mon-yyyy'),to_date('31-dec-2011','dd-mon-yyyy'),0);
insert into test values('Jack',to_date('01-jan-2009','dd-mon-yyyy'),to_date('31-dec-2010','dd-mon-yyyy'),0);
In the above case john is included for this duration start_date is '01-jan-2009' and end_date is '31-dec-2011' and is excluded for this duration '01-jan-2009','31-dec-2010'
Now i want to dispay John's incuded duration as ''01-jan-2011','31-dec-2011'
My sql output should be
Names start_date end_date
John 01-jan-2011 31-dec-2011
Joseph 01-jan-2009 31-dec-2011
Jack 01-jan-2009 31-dec-2010
Thanks in AdvanceHi there,
seems like the old "find those time gaps" problem. I tried to solve it in pure SQL, and since it's Monday I didn't want to wrap my mind around the MODEL clause,
therefore my solution looks a bit cluttered - feel free to improve.
create table test (names varchar2(100),start_date date,end_date date,exc_flg number);
INSERT INTO TEST VALUES('John',to_date('01-01-2009','dd-mm-yyyy'),to_date('31-12-2011','dd-mm-yyyy'),0);
INSERT INTO TEST VALUES('John',to_date('01-01-2009','dd-mm-yyyy'),to_date('31-12-2010','dd-mm-yyyy'),1);
INSERT INTO TEST VALUES('John',to_date('01-04-2011','dd-mm-yyyy'),to_date('01-07-2011','dd-mm-yyyy'),1);
INSERT INTO TEST VALUES('Joseph',to_date('01-01-2009','dd-mm-yyyy'),to_date('31-12-2011','dd-mm-yyyy'),0);
INSERT INTO TEST VALUES('Jack',to_date('01-01-2009','dd-mm-yyyy'),to_date('31-12-2010','dd-mm-yyyy'),0);
INSERT INTO TEST VALUES('Joe',to_date('01-01-2009','dd-mm-yyyy'),to_date('31-12-2011','dd-mm-yyyy'),0);
INSERT INTO TEST VALUES('Joe',to_date('01-04-2010','dd-mm-yyyy'),to_date('31-12-2011','dd-mm-yyyy'),0);
INSERT INTO TEST VALUES('Joe',to_date('01-01-2008','dd-mm-yyyy'),to_date('31-12-2009','dd-mm-yyyy'),1);
select * from test;
WITH t AS (SELECT names
, 's' flg_date
, start_date dat
FROM TEST
WHERE exc_flg = 0
UNION ALL
SELECT names
, 'e'
, end_date
FROM TEST
WHERE exc_flg = 0
UNION ALL
SELECT names
, 's'
, end_date + 1
FROM TEST
WHERE exc_flg = 1
UNION ALL
SELECT names
, 'e'
, start_date - 1
FROM TEST
WHERE exc_flg = 1
, t2 AS (SELECT t.*
, DECODE(LAG(t.flg_date) OVER (PARTITION BY t.names ORDER BY t.dat), flg_date, 0, NULL, 1, 1) grp_date
FROM t
WHERE NOT EXISTS (SELECT 1
FROM TEST t2
WHERE t2.names = t.names
AND exc_flg = 1
AND t.dat BETWEEN t2.start_date AND t2.end_date)
AND t.dat BETWEEN (SELECT MIN(start_date)
FROM TEST t2
WHERE t2.names = t.names
AND exc_flg = 0)
AND (SELECT MAX(end_date)
FROM TEST t2
WHERE t2.names = t.names
AND exc_flg = 0)
, t3 AS (SELECT t2.names
, t2.flg_date
, t2.dat
, SUM(grp_date) OVER (PARTITION BY t2.names ORDER BY t2.dat) grp_date
FROM t2
, t4 AS (SELECT t3.*
, row_number() OVER (PARTITION BY t3.names, t3.grp_date ORDER BY t3.dat) rn_start_date
, row_number() OVER (PARTITION BY t3.names, t3.grp_date ORDER BY t3.dat DESC) rn_end_date
FROM t3
SELECT names
, dat
, nxt_dat
FROM (SELECT t4.names
, dat
, CASE WHEN t4.flg_date = 's' THEN LEAD(dat) OVER (PARTITION BY t4.names ORDER BY t4.dat) END nxt_dat
FROM t4
WHERE (t4.flg_date = 's' AND rn_start_date = 1)
OR (t4.flg_date = 'e' AND rn_end_date = 1)
WHERE nxt_dat IS NOT NULL
ORDER BY names, dat
NAMES DAT NXT_DAT
Jack 2009.01.01 00:00:00 2010.12.31 00:00:00
Joe 2010.01.01 00:00:00 2011.12.31 00:00:00
John 2011.01.01 00:00:00 2011.03.31 00:00:00
John 2011.07.02 00:00:00 2011.12.31 00:00:00
Joseph 2009.01.01 00:00:00 2011.12.31 00:00:00C.
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