Sponsored Content
Full Discussion: OUTER join?
Top Forums Programming OUTER join? Post 302453911 by frank_rizzo on Thursday 16th of September 2010 06:13:26 PM
Old 09-16-2010
what exactly are you trying to do logically? what DBMS?
 

9 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

join (pls help on join command)

Hi, I am a new learner of join command. Some result really make me confused. Please kindly help me. input: file1: LEO oracle engineer 210375 P.Jones Office Runner ID897 L.Clip Personl Chief ID982 S.Round UNIX admin ID6 file2: Dept2C ID897 6 years Dept5Z ID982 1 year Dept3S ID6 2... (1 Reply)
Discussion started by: summer_cherry
1 Replies

2. Programming

Oracle: fixing an outer join on subquery...

I have a stored procedure that is failing. The current query behind it is: SELECT DISTINCT <many, many values> FROM table1 LEFT OUTER JOIN table2 ON (table2.key = (select max (table2.key) from table2 where table2.key = table1.key) or ... (0 Replies)
Discussion started by: Elric of Grans
0 Replies

3. Programming

sql,multiple join,outer join issue

example sql: select a.a1,b.b1,c.c1,d.d1,e.e1 from a left outer join b on a.x=b.x left outer join c on b.y=c.y left outer join d on d.z=a.z inner join a.t=e.t I know how single outer or inner join works in sql. But I don't really understand when there are multiple of them. can... (0 Replies)
Discussion started by: robbiezr
0 Replies

4. UNIX for Dummies Questions & Answers

Join 2 files with multiple columns: awk/grep/join?

Hello, My apologies if this has been posted elsewhere, I have had a look at several threads but I am still confused how to use these functions. I have two files, each with 5 columns: File A: (tab-delimited) PDB CHAIN Start End Fragment 1avq A 171 176 awyfan 1avq A 172 177 wyfany 1c7k A 2 7... (3 Replies)
Discussion started by: InfoSeeker
3 Replies

5. UNIX for Dummies Questions & Answers

how to join two files using "Join" command with one common field in this problem?

file1: Toronto:12439755:1076359:July 1, 1867:6 Quebec City:7560592:1542056:July 1, 1867:5 Halifax:938134:55284:July 1, 1867:4 Fredericton:751400:72908:July 1, 1867:3 Winnipeg:1170300:647797:July 15, 1870:7 Victoria:4168123:944735:July 20, 1871:10 Charlottetown:137900:5660:July 1, 1873:2... (2 Replies)
Discussion started by: mindfreak
2 Replies

6. UNIX for Dummies Questions & Answers

How to use the the join command to join multiple files by a common column

Hi, I have 20 tab delimited text files that have a common column (column 1). The files are named GSM1.txt through GSM20.txt. Each file has 3 columns (2 other columns in addition to the first common column). I want to write a script to join the files by the first common column so that in the... (5 Replies)
Discussion started by: evelibertine
5 Replies

7. Shell Programming and Scripting

Break the outer loop

Hi I'm comparing same files names which are in different folders . The first for loop for the files in DAY1 folder and the second for loop for the files in DAY2 folder . the first IF condition is for checking whether the file names are equal the second If condtion is for checking the... (4 Replies)
Discussion started by: smile689
4 Replies

8. UNIX for Dummies Questions & Answers

UNIX outer join

Hello.. I am trying to join two files of about 7000 records. it looked quite straight forward when i began, but i'm not getting the desired output. here is what i'm trying to do: cat xxx item,So,Mo,Tu aaa,1,1,1 bbb,1,1,4 ccc,1,1,0 ddd,1,1,1 cat yyy item,Tu,We aaa,1,1 bbb,4,0... (7 Replies)
Discussion started by: wanderingmind16
7 Replies

9. Shell Programming and Scripting

Join, merge, fill NULL the void columns of multiples files like sql "LEFT JOIN" by using awk

Hello, This post is already here but want to do this with another way Merge multiples files with multiples duplicates keys by filling "NULL" the void columns for anothers joinning files file1.csv: 1|abc 1|def 2|ghi 2|jkl 3|mno 3|pqr file2.csv: 1|123|jojo 1|NULL|bibi... (2 Replies)
Discussion started by: yjacknewton
2 Replies
All times are GMT -4. The time now is 02:03 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy