Concatenate the address lines (some fields will be empty)

Hi people,

I need to format an address with transport flows properly and no blank lines between the two. I tried to look for a similar thread but did not find anything (I'm sure that). I leave the names in this exercise that my main problem is with formatting the address correctly.

Assumptions:

1. city, State and ZIP Code on a single line

2. Add 2 and Add3 should be on the same line

My exits address should be the following:

Student ID 1001

2070

The University Avenue

Berkeley, CA 94704 (city, State and ZIP Code on a single line)

Student ID 1002

Department of physics

2111 Bancroft way Berkeley UC (add 2 and Add3 should be on the same line)

Berkeley, CA 94720

Student ID 1003

100 market Street

San Francisco, CA 94114

Student ID 1004

342 happy Valley Road

Fremont, CA 94212

Table scripts and data:

create table STUDENT_ADDRESS_TB (student_id  
VARCHAR2 (4).
street_numberVARCHAR2 (20).
ADD2VARCHAR2 (50).
Add3VARCHAR2 (50).
CityVARCHAR2 (30),
StateVARCHAR2 (2),
Zip_codeVARCHAR2 (10));

insert into student_address_tb (student_id,street_number,add2,add3,city,state,postal_code) values ('1001','2070','University Avenue',null,'Berkeley','CA','94704');
insert into student_address_tb (student_id,street_number,add2,add3,city,state,postal_code) values ('1002','Physics Department','2111 Bancroft Way','UC Berkeley','Berkeley','CA','94720');
insert into student_address_tb (student_id,street_number,add2,add3,city,state,postal_code) values ('1003',null,'100 Market Street',null,'San Francisco','CA','94114');
insert into student_address_tb (student_id,street_number,add2,add3,city,state,postal_code) values ('1004',null,null,'342 Happy Valley Road','Fremont','CA','94212');

Any help in this regard would be great!

Here's what I came up with but it does not work as I want it.

SELECT street_numberLigne_adresse_1,
decode (add2, null, add3, add2 |) » '|| Add3)Ligne_adresse_2,
decode (city, null, null, city | ',' |) State | » '|| Zip_code)address_line_3
OF student_address_tb;

Thanks in advance.

Post edited by: Roxyrollers

Hello

Roxyrollers wrote:

Hi Frank,.

I'll leave the separate name and include any in my exercises:

Looks like his work for the first two, but I get the distribution additional return for 1003 and 1004 students. This is of course due to the first CHR (10) as student 1003 and 1004 have no street number. I tried to change x, but I still land by getting the return transport.

NVL2 (street_number, NULL, street_number | 10 |)

Remember how NVL2 works.  The 2nd argument is what you want to return if the 1st argument is not NULL, and the 3rd argument is what you want, if it is NULL.  So you say, ' if street_number is not NULL, then return NULL; otherwise return newline. »

Reverse 2nd and 3rd arguments, like this:

NVL2 (street_number

street_number | CHR (10)

NULL

)

Notice how, in response to #2 above, the 2nd argument of NVL2 was never NULL; It was the 3rd argument which was NULL,

Tags: Database

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