1. Shell Programming and Scripting

Hi, I have a file with multiple records...and I have to select records based on first column....here is the sample file... I01,abc,125,1a2,LBVI02 I01,abc,126,2b5,LBVI02 I02,20070530,254,abc,LLBI01 I02,20070820,111,bvd,NGBI01 I need all records with I01 in first field in one file and... (8 Replies)

2. Shell Programming and Scripting

hi.. i need to optimize my select query .. my situation is like this .. i have 15 lac recors in my table.. the following query takes nine seconds to give the required output.. SELECT max(ah.AUC_AMT), SUBSTRING_INDEX(GROUP_CONCAT(SUBSTRING_INDEX(ah.AUC_CUS_NAME,'@',1) order by AUC_AMT... (0 Replies)

3. UNIX for Advanced & Expert Users

hi.. i need to optimize my select query .. my situation is like this .. i have 15 lac recors in my table.. the following query takes nine seconds to give the required output.. SELECT max(ah.AUC_AMT), SUBSTRING_INDEX(GROUP_CONCAT(SUBSTRING_INDEX(ah.AUC_CUS_NAME,'@',1) order by AUC_AMT... (1 Reply)

4. UNIX for Dummies Questions & Answers

Hi, I would just like to know how to get the file with the max filename on a directory and get rid of all the others. For example, in directory A:/ i have the ff files: APPLE2001 APPLE2002 APPLE2003 GRAPE2004 what I want to get is the max in files whose filenames start with APPLE*,... (4 Replies)

5. Shell Programming and Scripting

I have a file with 3 columns I want to get the record with the max salary. If there are more than 1 record having the highest salary, i want any one of them. empid,ename,Sal 1,abc,100 2,def,200 3,xyz,300 4,pqr,100 5,mnq,300 Output Any record with 300 as salary Please use next... (1 Reply)

6. Programming

I feel stupid for asking this because it seems that MYSQL code isn't working the way that I think it should work. Basically I wrote code like this: select * from `Test_DC_Trailer` HAVING max(DR_RefKey); Where the DR_RefKey is a unique numeric field that is auto iterated (like a primary key)... (7 Replies)

7. Shell Programming and Scripting

I want records which have more than one and different value in the second column on the below sample file. Ex, I have the samle file below :- XYZ 1 XYZ 3 abc 1 abc 1 qwe 2 qwe 1 qwe 3 I want to select XYZ and QWE line only. (6 Replies)

8. Programming

Dear community, I woul like to make a query to output all the users having the same IP address. The table is somethig like: name logged_ip ==== ========= user1 127.0.0.1 user2 127.0.0.2 user3 127.0.0.3 user4 127.0.0.1 user5 127.0.0.2 user6 127.0.0.5I used this query... (4 Replies)

9. Shell Programming and Scripting

Hello, I am working on an application that uses allot of memory depending on the input. I am also working on more than one processing algorithm. The program has a long processing time (hours) so it would be nice to be able to monitor the maximum memory footprint of the application during runs... (1 Reply)