If statement in select statement alias

I have the following select statement. It has the alias Survivors, Deaths and "All Cases". Is it posible to use :P_LANGUAGE variable to say that -- IF :P_LANGUAGE = FRENCH THEN alias are Survivants for survivors, Décès for Deaths, Tous_les_cas for All Cases. Please advise
SELECT ALL T_NTR_MULTIBAR.CAT, T_NTR_MULTIBAR.NUM_CASES_LEFTBAR AS Survivors,
T_NTR_MULTIBAR.NUM_CASES_MIDDLEBAR AS Deaths, T_NTR_MULTIBAR.NUM_CASES_RIGHTBAR AS "All Cases"
FROM T_NTR_MULTIBAR
WHERE INSTANCE_NUM = :P_INSTANCENUM
order by ORDERS

You may not be able to add this condition inside the SQL Statement. But you can add this condition outside the statement, if you're using PL/SQL...
IF :p_language = french THEN
SELECT ALL t_ntr_multibar.cat,
t_ntr_multibar.num_cases_leftbar AS survivors,
t_ntr_multibar.num_cases_middlebar AS deaths,
t_ntr_multibar.num_cases_rightbar AS "All Cases"
ELSE
END IF;

Similar Messages

Difference between "print" statements and "select" statements , TSQL

What is the difference between "print" statements and "select" statements when it omces to debugging and watching varibles in the stored procs .....

SELECT statement is part of the ANSI SQL language.
PRINT command is not part of the SQL language, it is used for debugging in T-SQL.
BOL:" Returns a user-defined message to the client.
A message string can be up to 8,000 characters long if it is a non-Unicode string, and 4,000 characters long if it is a Unicode string. Longer strings are truncated. The
varchar(max) and nvarchar(max) data types are truncated to data types that are no larger than
varchar(8000) and nvarchar(4000).
RAISERROR can also be used to return messages. RAISERROR has these advantages over PRINT:
RAISERROR supports substituting arguments into an error message string using a mechanism modeled on the printf function of the C language standard library.
RAISERROR can specify a unique error number, a severity, and a state code in addition to the text message.
RAISERROR can be used to return user-defined messages created using the sp_addmessage system stored procedure."
LINK: http://technet.microsoft.com/en-us/library/ms176047.aspx
The SSMS (client software) returns SELECT output to Results and PRINT output to Messages.
The SQLCMD -o (output file) option captures all outputs into one file mixed.
Kalman Toth Database & OLAP Architect
T-SQL Scripts at sqlusa.com
New Book / Kindle: Exam 70-461 Bootcamp: Querying Microsoft SQL Server 2012

Update Statement using SELECT statement

The following select query return 1 record to me
[code]
select deptno , dname, empno , max_date, max(v_num)
from (select d.deptno , d.dname , e.empno ,max (ver_date) over(partition by d.id ,d.no) max_date ,v_num
            from emp e ,dept d
          where e.deptno=d.deptno and e.dname = d.dname and e.empno=1 and d.deptno =3 )
group by deptno , dname, empno , max_date
[/code]
Now I need to update the above value to the emp table itself
In emp table for the empno=1 I need to update the columns mx_Date and v_num columns with the above last 2 columns in the select statement (max_date, max(v_num) )
How can I write the update statement for this.
Thank You

Something like this
merge into emp e1
using (
          select deptno
               , dname
               , empno
               , max_date
               , max(v_num) v_num
            from (
                   select d.deptno
                        , d.dname
                        , e.empno
                        , max (ver_date) over(partition by d.id , d.no) max_date
                        , v_num
                     from emp e
                        , dept d
                    where e.deptno = d.deptno
                      and e.dname = d.dname
                      and e.empno = 1
                      and d.deptno = 3
           group
              by deptno
               , dname
               , empno
               , max_date
      ) e2
   on (
        e1.empno = e2.empno
when matched then
    update set e1.mx_date = e2.max_date,
               e1.v_num   = e2.v_num

Case Statement in Select Statement - Oracle 8.0.6

I am trying to do the following, but am getting error -
"FROM keyword not found where expected"
select s.item, s.dest, s.qty ,
case when s.dest = 'x'
then (sales - returns)
else 0
end
from table1 s
Is this an error or is it because of the version of Oracle?

As I recall, CASe was not supported until 8.1. So, you need to use decode instead.
SELECT s.item, s.dest, s.qty ,
DECODE(s.dest,'x',s.sales - s.returns,0)
from table1 sTTFN
John

Performance Issue in Select Statement (For All Entries)

Hello,
I have a report where i have two select statement
First Select Statement:
Select A B C P Q R
     from T1 into Table it_t1
          where ....
Internal Table it_t1 is populated with 359801 entries through this select statement.
Second Select Statement:
Select A B C X Y Z
     from T2 in it_t2 For All Entries in it_t1
          where A eq it_t1-A
             and B eq it_t1-B
             and C eq it_t1-C
Now Table T2 contains more than 10 lac records and at the end of select statement it_t2 is populated with 844003 but it takes a lot of time (15 -20 min) to execute second select statement.
Can this code be optimized?
Also i have created respective indexes on table T1 and T2 for the fields in Where Condition.
Regards,

If you have completed all the steps mentioned by others, in the above thread, and still you are facing issues then,.....
Use a Select within Select.
First Select Statement:
Select A B C P Q R package size 5000
     from T1 into Table it_t1
          where ....
Second Select Statement:
Select A B C X Y Z
     from T2 in it_t2 For All Entries in it_t1
          where A eq it_t1-A
             and B eq it_t1-B
             and C eq it_t1-C
do processing........
endselect
This way, while using for all entries on T2, your it_t1, will have limited number of entries and thus the 2nd select will be faster.
Thanks,
Juwin

Doubt about Select statement.

Hi folks!!
             I have a few doubts about the select statements, it may be a silly things but its useful for me.
what is   difference between below statment.
1)SELECT * FROM TABLE.
2)SELECT SINGLE * FROM TABLE
3)SELECT SINGLE FROM TABLE.
Hope i will get answer,thanks in advance.
Regards
Richie..

Hi,
try this and if possible use sap help.i mean place the cursor on select and press F1.
             Types of select statements:
1.     select * from ztxlfa1 into table it.
             This is simple select statement to fetch all the data of db table into internal table it.
   2.   select * from ztxlfa1 into table it where lifnr between 'V2' and 'V5'.
        Thisis using where condition between v2 and v5.
4. select * from ztxlfa1 where land1 = 'DE'. "row goes into default table work Area
5. select lifnr land1 from ztxlfa1
        into corresponding fields of it   "notice 'table' is omitted
         where land1 = 'DE'.
          append it.
           endselect.
     Now data will go into work area. and then u will add it to internal table by
        append statement.
6.   Table 13.2 contains a list of the various forms of select as it is used with internal tables and their relative efficiency. They are in descending order of most-to-least efficient.
Table 13.2 Various Forms of SELECT when Filling an Internal Table
Statement(s)                                   Writes To
select into table it                                    Body
select into corresponding fields of table it   Body
select into it                                    Header line
select into corresponding fields of it           Header line
7. SELECT VBRK~VBELN
       VBRK~VKORG
       VBRK~FKDAT
       VBRK~NETWR
       VBRK~WAERK
       TVKOT~VTEXT
       T001~BUKRS
       T001~BUTXT
    INTO CORRESPONDING FIELDS OF TABLE IT_FINAL
    FROM VBRK
    INNER JOIN TVKOT ON VBRKVKORG = TVKOTVKORG
    INNER JOIN T001 ON VBRKBUKRS = T001BUKRS
    WHERE VBELN IN DOCNUM AND VBRK~FKSTO = ''
   AND VBRK~FKDAT in date.
Select statement using inner joins for vbrk and t001 and tvkot table for this case based on the conditions
8. SELECT T001W~NAME1 INTO TABLE IT1_T001W
FROM T001W INNER JOIN EKPO ON T001WWERKS = EKPOWERKS
WHERE EKPO~EBELN = PURORD.
here selecting a single field into table it1_t001winner join on ekpo.
9. SELECT BUKRS LIFNR EBELN FROM EKKO INTO CORRESPONDING FIELDS OF IT_EKKO WHERE     EBELN IN P_O_NO.
ENDSELECT.
SELECT BUTXT   FROM T001 INTO IT_T001 FOR ALL ENTRIES IN IT_EKKO WHERE BUKRS = IT_EKKO-BUKRS.
ENDSELECT.
APPEND IT_T001.
here I am using for all entries statement with select statement. Both joins and for all entries used to fetch the data on condition but for all entries is the best one.
10. SELECT AVBELN BVTEXT AFKDAT CBUTXT ANETWR AWAERK INTO TABLE ITAB
             FROM VBRK AS A
             INNER JOIN TVKOT AS B ON
             AVKORG EQ BVKORG
             INNER JOIN T001 AS C ON
             ABUKRS EQ CBUKRS
             WHERE AVBELN IN BDOCU AND AFKSTO EQ ' ' AND B~SPRAS EQ
             SY-LANGU
             AND AFKDAT IN BDATE AND AVBELN EQ ANY ( SELECT VBELN FROM
            VBRP WHERE VBRP~MATNR EQ ITEMS ).
    Here we are using sub query in inner join specified in brackets.
Thanks,
chandu.

Count(*) function in select statement having group by condition

Hi
I would like to use count(*) in select statement having group by clause. say for example there is a state with a number of cities listed. I would like to get the count of cities for each state.
the sql stement is grouped by state and it is joined with 5 more tables.
Thanks
ps: ignore the previous post

Assuming there is one record per city per state, then
SELECT state,count(*)
FROM state_tbl
GROUP BY stateWill get one record per state with the number of cities in each state. If you want to join that result set to other tables you need to either create a view with that statement or use an in-line view viz.
SELECT c.cust_name,c.state,s.num_cities
FROM customers c,
     (SELECT state,count(*) num_cities
      FROM state_tbl
      GROUP BY state) s
WHERE c.state = s.stateTTFN
John

Need to create a transaction for multiple select statements?

Hello,
I am a newbie and have a question about database transaction, e.g. whether/not to enclose multiple select statements (and select statements only) into a transaction.
My database is set to transaction isolation level 2: REPEATABLE READ, where dirty read & non-repeatable read are not allowed, only phantom read is allowed.
Now, in my code I have a number of methods that only contain select statements only. Since they are merely select statements, which don't do any modifications to the data, I am not sure if I am supposed to enclose them into a transaction.
However, if I don't put them into a transaction will the transaction isolation level takes into effect automatically when another user is modifying the data that I am reading? In other words, I need to make sure the select statements will never do either dirty read or non-repeatable read. But I am not sure if it is necessary to enclose multiple select statements in a transaction, since I believe putting the select statements into a transaction will put some locks to the data being read which may reduce the concurrency of my application.
Any help/advice would be very much appreciated.
Duane

You might want to try asking this on a forum that specific to your database. I suspect the answer can vary depending on the database and probably requires in depth knowledge of what the database does.

HOW CAN I USE MULTIPLE INNERJOINS IN A SINGLE SELECT STATEMENT?

HI,
I AM SHABEER AHMED,
I AM GETTING AN ERROR WHILE I ATTEMPT TO EXECUTE A SELECT STATEMENT WITH MULTIPLE INNER JOINS . BECOZ I WANT TO FETCH ITEM DATA, PARTNER DATA BASED ON HEADER DATA .
THEN OF COURSE I HAVE FETCH DATA FROM VBAK VBAP VBKD SO LZ SEND ME THE SOLUTION.
BYE

Hi,
1.Just see this:
SELECT * INTO CORRESPONDING FIELD OF TABLE itab
FROM t1 INNER JOIN t2 ON t1f4 EQ t2f4
INNER JOIN t3 ON t2f5 EQ t3f5 AND
t2f6 EQ t3f6 AND
t2f7 EQ t3f7.
2.But better to use for all entries.It increases the performance.
FOR ALL ENTRIES
Tabular Conditions
The WHERE clause of the SELECT statement has a special variant that allows you to derive conditions from the lines and columns of an internal table:
SELECT ... FOR ALL ENTRIES IN <itab> WHERE <cond> ...
<cond> may be formulated as described above. If you specify a field of the internal table <itab> as an operand in a condition, you address all lines of the internal table. The comparison is then performed for each line of the internal table. For each line, the system selects the lines from the database table that satisfy the condition. The result set of the SELECT statement is the union of the individual selections for each line of the internal table. Duplicate lines are automatically eliminated from the result set. If <itab> is empty, the addition FOR ALL ENTRIES is disregarded, and all entries are read.
The internal table <itab> must have a structured line type, and each field that occurs in the condition <cond> must be compatible with the column of the database with which it is compared. Do not use the operators LIKE, BETWEEN, and IN in comparisons using internal table fields. You may not use the ORDER BY clause in the same SELECT statement.
You can use the option FOR ALL ENTRIES to replace nested select loops by operations on internal tables. This can significantly improve the performance for large sets of selected data.
Example for ALL ENTRIES
DATA: TAB_SPFLI TYPE TABLE OF SPFLI,
TAB_SFLIGHT TYPE SORTED TABLE OF SFLIGHT
WITH UNIQUE KEY TABLE LINE,
WA LIKE LINE OF TAB_SFLIGHT.
SELECT CARRID CONNID
INTO CORRESPONDING FIELDS OF TABLE TAB_SPFLI
FROM SPFLI
WHERE CITYFROM = 'NEW YORK'.
SELECT CARRID CONNID FLDATE
INTO CORRESPONDING FIELDS OF TABLE TAB_SFLIGHT
FROM SFLIGHT
FOR ALL ENTRIES IN TAB_SPFLI
WHERE CARRID = TAB_SPFLI-CARRID AND
CONNID = TAB_SPFLI-CONNID.
LOOP AT TAB_SFLIGHT INTO WA.
AT NEW CONNID.
WRITE: / WA-CARRID, WA-CONNID.
ENDAT.
WRITE: / WA-FLDATE.
ENDLOOP.
INNER JOINS
In a relational database, you normally need to read data simultaneously from more than one database table into an application program. You can read from more than one table in a single SELECT statement, such that the data in the tables all has to meet the same conditions, using the following join expression:
SELECT...
FROM <tab> INNER JOIN <dbtab> AS <alias> ON <cond> <options>
where <dbtab> is a single database table and <tab> is either a table or another join expression. The database tables can be specified statically or dynamically as described above. You may also use aliases. You can enclose each join expression in parentheses. The INNER addition is optional.
A join expression links each line of <tab> with the lines in <dbtab> that meet the condition <cond>. This means that there is always one or more lines from the right-hand table that is linked to each line from the left-hand table by the join. If <dbtab> does not contain any lines that meet the condition <cond>, the line from <tab> is not included in the selection.
The syntax of the <cond> condition is like that of the WHERE clause, although individual comparisons can only be linked using AND. Furthermore, each comparison must contain a column from the right-hand table <dbtab>. It does not matter on which side of the comparison it occurs. For the column names in the comparison, you can use the same names that occur in the SELECT clause, to differentiate columns from different database tables that have the same names.
The comparisons in the condition <cond> can appear in the WHERE clause instead of the ON clause, since both clauses are applied equally to the temporary table containing all of the lines resulting from the join. However, each join must contain at least one comparison in the condition <cond>.
Example for INNER JOINS
REPORT demo_select_inner_join.
DATA: BEGIN OF wa,
carrid TYPE spfli-carrid,
connid TYPE spfli-connid,
fldate TYPE sflight-fldate,
bookid TYPE sbook-bookid,
END OF wa,
itab LIKE SORTED TABLE OF wa
WITH UNIQUE KEY carrid connid fldate bookid.
SELECT pcarrid pconnid ffldate bbookid
INTO CORRESPONDING FIELDS OF TABLE itab
FROM ( ( spfli AS p
INNER JOIN sflight AS f ON pcarrid = fcarrid AND
pconnid = fconnid )
INNER JOIN sbook AS b ON bcarrid = fcarrid AND
bconnid = fconnid AND
bfldate = ffldate )
WHERE p~cityfrom = 'FRANKFURT' AND
p~cityto = 'NEW YORK' AND
fseatsmax > fseatsocc.
LOOP AT itab INTO wa.
AT NEW fldate.
WRITE: / wa-carrid, wa-connid, wa-fldate.
ENDAT.
WRITE / wa-bookid.
ENDLOOP.
Regards,
Shiva Kumar(Reward if helpful).

Error in Select statement from DBLINK

Hi,
I have created a DBLink DBLNK206 as below:
CREATE PUBLIC DATABASE LINK DBLNK206
CONNECT TO BIO
IDENTIFIED BY BIO
USING '(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP)(HOST = 172.16.60.201)(PORT = 1521))(CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = orcl)))';
But when from the local schema I execute the select statement
select * from BNK_FRHNBK@DBLNK206;
ORA-12170 - TNS:Connect timeout occurred
But when directly connecting the same schema through sqldeveloper or toad
and executing the
select * from BNK_FRHNBK ;
I am getting the desired output.
Any help regarding this will be greatly appreciated.
Thanks In Advance
Ashwini

Make sure tnsping to ORCL database is working fine and use tns alias name like using 'orcl.world'; insted of full description.
>
USING '(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP)(HOST = 172.16.60.201)(PORT = 1521))(CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = orcl)))';
>
http://www.dba-oracle.com/t_how_create_database_link.htm
Edited by: %bala% on May 2, 2013 1:12 PM

Using Column Name returned by function in SELECT statement

Hi
Output from my function (RETURN data type is VARCHAR2) is column name. I want to use it directly in my SELECT statement. Below is simplified example of this:
--- Function
CREATE OR REPLACE FUNCTION simple RETURN varchar2 IS
BEGIN
RETURN ‘my_column’;
END simple;
--- Select
SELECT simple FROM my_table;
This does not work. It seems that output from function is passed in quotation i.e.
SELECT ‘my_column’ FROM my_table;
So the output from SELECT is a list of rows populated with values my_table:
COLUMN     simple
ROW1     my_column
ROW2     my_column
ROW3     my_column
Can please someone help me with this?

I'm not sure I got you right.
In standard SQL everything must be known at compile time. If not dynamic SQL is required, but is a costly operation (usually requires parsing before each execution) so it should better not be used when standard SQL can do it.
I provided a design time example where a function returns the column name from the given the table name and column id for a varchar2 column data type to make things simple. Then a query string is constructed and executed dynymically to return all column values of the chosen table_name.column_name.
SELECT simple FROM my_tableAt compile time the simple function return value is unknown (any varchar2 value would do) you already find out you get the (same) return value (i.e column name) for each table row => dynamic SQL needed to get the column values
The purpose of function would be to rename all columns for provided table.The table name would be provided, right? If yes => dynamic SQL
What is the function supposed to return the column name (where would the new name come from?), the column alias (which table column would be renamed to the new name?)
The user could use the new_column name as the column alias name submitting the query.
Is it possible to do this?Maybe () using a pipelined function (different data types - number,date, ... not cosidered yet) but your simple query;
<tt>SELECT simple FROM my_table</tt>
might look like:
<tt>select my_column_value new_column_name from table(get_column_value(table_name,column_name))</tt>
Sorry, no Database at hand to provide a specific example.
Regards
Etbin

Select statement error.

Hi all,
I have a select statement which will join 4 tables as shown below. Something is not working right in the select statement and caused the shortdump.
I really cannot figure out where is not right.
Please help.
TYPES:
BEGIN OF t_lips,
    matnr TYPE matnr,
    lfimg TYPE lfimg,
    meins TYPE meins,
    vbeln TYPE vbeln_vl,
    lfart TYPE lfart,
    vstel TYPE vstel,
    maktx TYPE maktx,
    werks TYPE werks_d,
    exnum TYPE exnum,
    posnr TYPE posnr_vl,
    uecha TYPE uecha,
    netwr TYPE netwr,
    waerk TYPE waerk,
    vgbel TYPE vgbel,
END OF t_lips.
DATA: lt_lips      TYPE TABLE OF t_lips.
SELECT lips~matnr lfimg lips~vrkme lips~vbeln lfart
    vbap~vstel lips~arktx lips~werks exnum
    vbap~netwr vbap~waerk lips~vgbel
    lips~posnr lips~uecha
INTO TABLE lt_lips
FROM lips INNER JOIN vttp
    ON    vttp~vbeln = lips~vbeln
    INNER JOIN likp
    ON    lips~vbeln = likp~vbeln
    INNER JOIN VBAP
    ON lips~vgbel = vbap~vbeln
WHERE vttp~tknum = ps_vttk-tknum
    AND   lfimg      <> 0.
Error analysis
An exception occurred that is explained in detail below.
    The exception, which is assigned to class 'CX_SY_OPEN_SQL_DB', was not caught
     in
procedure "GET_DATA" "(FORM)", nor was it propagated by a RAISING clause.
    Since the caller of the procedure could not have anticipated that the
    exception would occur, the current program is terminated.
    The reason for the exception is:
    In a SELECT access, the read file could not be placed in the target
    field provided.
Either the conversion is not supported for the type of the target field,
    the target field is too small to include the value, or the data does not
    have the format required for the target field.

Hi,
In the below code, where are you picking up value for LFIMG and LFART. Give the alias/table name for them also.
for ex. lips~lfimg....
SELECT lips~matnr lfimg lips~vrkme lips~vbeln lfart
    vbap~vstel lips~arktx lips~werks exnum
    vbap~netwr vbap~waerk lips~vgbel
    lips~posnr lips~uecha
INTO TABLE lt_lips
FROM lips INNER JOIN vttp
    ON    vttp~vbeln = lips~vbeln
    INNER JOIN likp
    ON    lips~vbeln = likp~vbeln
    INNER JOIN VBAP
    ON lips~vgbel = vbap~vbeln
WHERE vttp~tknum = ps_vttk-tknum
    AND   lfimg       0.
Hope this is useful.
Also selection of records should be same as declared in table lt_lips otherwise use 'INTO CORRESPONDING TABLE LT_LIPS'
Regards,
Saba
Edited by: Saba Sayed on Oct 24, 2008 9:30 AM

Hint in Update or Select Statement in an inline query ??

Hi ,
I had an update statement that will get the data from the inline select statement,now where can i can keep the hint ,either in update statement or in Select statement...
Please let me know if my sample script is wrong or any better way to approach...Please assume that Salary table had millions of employee's salary records.
update emp
set salary = salary + (select /*+ full(a) parallel(a,4) */ salary from Salary
where experience > 5 and empno = 55 )
where empno = 85Thanks
Rede

You would put the hint in the select statement as you have it, but it won't work until you alias your table name to "a" since that is how you are referencing it in the hint:
update emp
set salary = salary + (select /*+ full(a) parallel(a,4) */ salary from Salary a
where experience > 5 and empno = 55 )
where empno = 85
NOTE I added the "a" right after the Salary table name AND you can only do parallel updates on partitioned table, but the select will run in parallel to at least get the data for you quickly.
To answer your other question about syntax, it is incorrect and there are a lot of ways to write it but a straight forward way would be to use the merge statement
merge into emp e
using (select /*+ full(s) parallel(s,4) */ s.salary from salary s where s.experience > 5) s
on (e.empno = s.empno)
when matched then update
set salary = s.salary;

Jdev9i, JSP, Execute a Sql Select statement directly?

Hi,
I need the syntax to execute a Sql SELECT statement directly against Oracle database and access rows(returned by SELECT statemnet) in a JSP page or Servlet? Any sample code available for this.
Thanks.

Hi Ali,
I didn't work a lot with jsp ,but on this url some help .
http://otn.oracle.com/docs/products/oracle8i/doc_library/817_doc/java.817/a83726/basics7.htm#1014578

SQL column as select statement to be referenced into a group by

Is there a notation or solution to be able to reference a column that is a inline select statement within a group by as detailed below? The group by will not accept the alias. I also tried to make the SQL a MAX to remove the need for the group by reference and this returned invalid expression.
SELECT DISTINCT hdr.BUSINESS_UNIT,
hdr.SESSN_ID,
hdr.STREAM_ROOT_ID,
hdr.SESSN_STS_CD,
hdr.SESSN_CRE_DTTM,
CASE
WHEN C.OPRID <> ' ' THEN C.OPRID
ELSE S.OPERATOR
END OPRID,
strm.QS_APP_CONTEXT,
RECV.QTY_SH_RECVD Quantity_Received,
CASE
WHEN hdr.BUSINESS_UNIT = 'MFG01' THEN MAX(G.MFDS_SGRP_SIZE)
ELSE MAX(S.SESSN_SGRP_SIZE)
END Quantity_Inspected,
MAX(S.QS_VALUEREADING_1) Defect_Count,
CASE
WHEN MAX(S.QS_VALUEREADING_1) = 0 THEN ' '
ELSE MAX(G.MFDS_NAME)
END Characteristic,
MAX(CMNT.QS_COMMENT2) COMMENTS,
strm.INV_ITEM_ID,
itm.DESCR,
strm.WORK_CENTER_CODE,
strm.VENDOR_ID,
*(SELECT V.NAME1 FROM PS_VENDOR V WHERE strm.VENDOR_ID = V.VENDOR_ID AND V.SETID = (SELECT SETID FROM PS_SET_CNTRL_REC*
WHERE RECNAME = 'VENDOR'
AND SETCNTRLVALUE = strm.BUSINESS_UNIT)) VENDOR_NAME,
strm.PRDN_AREA_CODE,
strm.COMPL_OP_SEQ,
strm.PRODUCTION_TYPE,
C.RECEIVER_ID,
C.RECV_LN_NBR,
RECV.PO_ID,
RECV.LINE_NBR,
RECV.SCHED_NBR,
C.PRODUCTION_ID,
C.SERIAL_ID,
C.INV_LOT_ID
FROM PS_QS_SESSN_HDR8 hdr
LEFT OUTER JOIN PS_QS_SESSN_TRACE8 C
ON hdr.BUSINESS_UNIT = C.BUSINESS_UNIT
AND hdr.SESSN_ID = C.SESSN_ID
LEFT OUTER JOIN PS_RECV_INSPDTL_VW RECV
ON C.BUSINESS_UNIT = RECV.BUSINESS_UNIT
AND C.RECEIVER_ID = RECV.RECEIVER_ID
AND C.RECV_LN_NBR = RECV.RECV_LN_NBR
LEFT OUTER JOIN PS_QS_STREAM_ROOT strm
ON hdr.STREAM_ROOT_ID = strm.STREAM_ROOT_ID
AND hdr.BUSINESS_UNIT = strm.BUSINESS_UNIT
LEFT OUTER JOIN PS_QS_STREAM8_VW G
ON strm.STREAM_ROOT_ID = G.STREAM_ROOT_ID
AND strm.BUSINESS_UNIT = G.BUSINESS_UNIT
LEFT OUTER JOIN PS_QS_SUBGROUP S
ON hdr.BUSINESS_UNIT = S.BUSINESS_UNIT
AND hdr.SESSN_ID = S.SESSN_ID
AND S.STREAM_ID = G.STREAM_ID
LEFT OUTER JOIN PS_QS_SESSN_COMM8 CMNT
ON S.BUSINESS_UNIT = CMNT.BUSINESS_UNIT
AND S.SESSN_ID = CMNT.SESSN_ID
AND S.STREAM_ID = CMNT.STREAM_ID
AND C.SAMPLE = CMNT.SAMPLE
LEFT OUTER JOIN PS_MASTER_ITEM_TBL itm
ON itm.INV_ITEM_ID = strm.INV_ITEM_ID
LEFT OUTER JOIN PS_SET_CNTRL_REC cntrl
ON itm.SETID = cntrl.SETID
AND cntrl.RECNAME = 'MASTER_ITEM_TBL'
AND cntrl.SETCNTRLVALUE = strm.BUSINESS_UNIT
WHERE S.QS_VALUEREADING_1 = (SELECT MAX(S2.QS_VALUEREADING_1)
FROM PS_QS_SUBGROUP S2
WHERE S2.BUSINESS_UNIT = S.BUSINESS_UNIT
AND S2.SESSN_ID = S.SESSN_ID
AND S2.STREAM_ID = S.STREAM_ID)
GROUP BY hdr.BUSINESS_UNIT,
hdr.SESSN_ID,
hdr.STREAM_ROOT_ID,
hdr.SESSN_STS_CD,
hdr.SESSN_CRE_DTTM,
C.OPRID,
S.OPERATOR,
strm.QS_APP_CONTEXT,
RECV.QTY_SH_RECVD,
strm.INV_ITEM_ID,
itm.DESCR,
strm.WORK_CENTER_CODE,
strm.VENDOR_ID,
VENDOR_NAME,
strm.PRDN_AREA_CODE,
strm.COMPL_OP_SEQ,
strm.PRODUCTION_TYPE,
C.RECEIVER_ID,
C.RECV_LN_NBR,
RECV.PO_ID,
RECV.LINE_NBR,
RECV.SCHED_NBR,
C.PRODUCTION_ID,
C.SERIAL_ID,
C.INV_LOT_ID

Hi,
Assign the alias in a sub-query. Then you'll be able to use it wherever you want to, and how many times you want to, in a super-query.
For example:
WITH     got_vendor     AS
     SELECT     hdr.business_unit
              SELECT v.name1
              FROM    ps_vendor     v
              WHERE   strm.vendor_id     = v.vendor_id
              AND     v.setid          = (
                                            SELECT setid
                                    FROM    ps_set_cntrl_rec
                                    WHERE   recname          = 'VENDOR'
                                    AND     setcntrlvalue      = strm.business_unit
          )           AS vendor_name
     FROM      ps_qs_sessn_hdr8     hdr
SELECT       business_unit          -- NOTE: no hdr.; all columns are from got_vendor now
,       vendor
FROM       got_vendor
GROUP BY business_unit
,       vendor
;When you define an alias (such as vendor) in a query, you can use that alias in the ORDER BY clause of that same query, but that's the only place in that same query where you can use it. If you want to use the alias anywhere else (e.g., in the GROUP BY clause, as in your example, the WHERE clause, or elsewhere in the SELECT clause), then you probably want to compute it in a sub-query, as shown above.
There's probably a better way to compute vendor, but that's a separate problem.
Edited by: Frank Kulash on Jan 3, 2012 10:37 AM
Added example

If statement in select statement alias

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