Decode in where clause oracle. SUM(NVL()) is not needed, because NULL values are ignored.

Decode in where clause oracle tab2 Mar 6, 2020 · Note: If you have Oracle 12c or higher, you can use LIMIT instead of rownum. Sep 29, 2017 · WHERE clause is the section where you write your conditions to get your specific records from the table/s. ORDER_SCH_ID, 'TRAN2', TAB1. DECODE(theRow, 'P', 1,'D',2,'T',3, (goes on a bit)) AS May 10, 2010 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. Sep 22, 2014 · So I've been trying to deal with a poorly optimized/created database. (This does not affect performance, however. If you object to any changes, you may request that your account be closed by contacting oracle-forums-moderators_us@oracle. Have two separate static SQL statements. If yes can u give small sample Sur Jun 19, 2015 · Hi,I need to use decode condition in where clause in such a way that if the respective column is null then consider the corresponding column for eg Fee_dateFee_refund_date10-OCT-05 12-NOV-05 11-J Aug 28, 2015 · Your interpretation is correct. But if the query is written without the DECODE with a single column in the where clause, the index used (In either case). tab1 = b. Always use proper, explicit, standard, readable JOIN syntax. – How to use Oracle's decode function in where clause. like below select * from tab1,tab2 where a. Jun 8, 2015 · Don't use decode(). Aug 17, 2016 · AND Nvl(MF_TRN_AMT, 0) = Decode(:b5, 'P', To_number(:b9), Nvl(mf_trn_amt, 0)) But if :b5 is P, then they're different! There are a couple of ways you could approach this. Sql Query trying use DECODE in Where ORACLE. . May 23, 2016 · DECODE is a subset of CASE. are your trying to get records WHERE status is 7 and start date is null? you can use decode but if used in WHERE clause, the result should be compared to another value or column. Basically, I have a case sorta like this. May 10, 2010 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. Is it the right behavior and is it Jun 1, 2011 · Hi all We can use decode function in the Select columns as well as Group by Columns as well as Having Clause Can we use decode function in the where clause also. We had DECODE a long time before we introduced the CASE function, which is why a lot of people are more familiar with DECODE. Rajesh123 Oct 14 2016 — edited Oct 14 2016. ----- Update -----Evaluation of the decode( decode( . can not use the case when function since oracle version am using is a bit old. May 23, 2008 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. The statement where I will be using this is something like: select * from v_viewname v where v. Jun 19, 2015 · Hi,I need to use decode condition in where clause in such a way that if the respective column is null then consider the corresponding column for eg Fee_dateFee_refund_date10-OCT-05 12-NOV-05 11-J There should be no performance hit. Although Oracle treats it as a special case sometimes. Oct 14, 2016 · For appeals, questions and feedback about Oracle Forums, decode in where clause in oracle sql. 1. com. grp_id = ?) Of course, this requires using the parameter twice. The syntax for the DECODE function in Oracle/PLSQL is: The value to compare. If they are really claiming that using any function anywhere in the where clause prevents an index being used, you could point out that sysdate is a function, for example. ORDER_TYPE, 'TRAN1', TAB1. I know you can use decode within a where clause, but I was wondering if there was any way you could use the value in the where clause after decoding in the selection. The architect needs to justify what they are saying. ) decode() is rather hard to follow. I had initially thought to show a full breakdown of the decode statement to show where it went wrong. The Oracle/PLSQL DECODE function has the functionality of an IF-THEN-ELSE statement. enterprise in decode(v_in_enterprise, 'ALL', v. The DECODE function can be used in Oracle/PLSQL. Hi All, All are welcome. enterprise, TABLE(f_stringtokenizer(v_in_enterprise))) In the above statement: This Oracle tutorial explains how to use the Oracle/PLSQL DECODE function with syntax and examples. If it's P, it executes one query. if :b5 = 'P' then select from The Oracle DECODE() function allows you to add the procedural if-then-else logic to the query. Thank you! Interested in getting your voice heard by members of the Developer Marketing team at Oracle? Check out this post for AppDev or this post for AI focus group May 23, 2008 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. tab2 Apr 2, 2012 · For appeals, questions and feedback about Oracle Forums, I have to use DECODE function in where clause. However, that would also be necessary with decode(). :-) – Example. SUM(NVL()) is not needed, because NULL values are ignored. Oracle does not need to materialize inner queries before applying outer conditions -- Oracle will consider transforming this query internally and push the predicate down into the inner query and will do so if it is cost effective. You can use case or just put the right logic as in: where a. See full list on databasestar. This checks the value of :b5. Thank you! Interested in getting your voice heard by members of the Developer Marketing team at Oracle? Check out this post for AppDev or this post for AI focus group Jul 11, 2005 · Hello, We are experiencing an issue with a Select statement that uses Decode in the Where clause. SQL in Oracle: Decode function not working in this scenario. It really is very old-fashioned. BETWEEN is unnecessary assuming that datet is not in the future. 0. ORDER_SR_NO) I have indexes on all columns as in the where clause, but still find that indexes are not being used. 772002 May 11 2010 — edited May 11 2010. If it's not it does the other. account = 545 and (? = 0 or a. Thank you! Interested in getting your voice heard by members of the Developer Marketing team at Oracle? Check out this post for AppDev or this post for AI focus group Jan 5, 2021 · Never use commas in the FROM clause. If yes can u give small sample Sur. You could use the DECODE function in a SQL statement as follows: SELECT supplier_name, DECODE(supplier_id, 10000, 'IBM', 10001, 'Microsoft', 10002, 'Hewlett Packard', 'Gateway') result FROM suppliers; Jul 17, 2015 · Miracle173, thank you for clarifying, I am using ORACLE SQL, For this particular script, I am not using SQL PLUS, just firing off a script (f5 in TOAD) and running, then inserting the parameter for &Industry. Technical questions should be asked in the appropriate category. Hi all We can use decode function in the Select columns as well as Group by Columns as well as Having Clause Can we use decode function in the where clause also. In the following example, the Oracle DECODE() function compares the first argument (1) with the second argument (1). – Justin Cave Jun 19, 2015 · Hi,I need to use decode condition in where clause in such a way that if the respective column is null then consider the corresponding column for eg Fee_dateFee_refund_date10-OCT-05 12-NOV-05 11-J May 11, 2010 · For appeals, questions and feedback about Oracle Forums, Decode in Where clause. Your continued use of Oracle Communities Sep 1, 2014 · let's say table 1 is named table1, my select would be: select id_number, code, start_month, qtr1, qtr2, qtr3, qtr4---the 1st 3 columns will be selected from table1 whereas the value for qtr1-4 should come from using the decode function. If yes can u give small sample Sur Jan 3, 2011 · DECODE (TAB2. Specifically, it seems to be ignoring a nested Decode and just returning the default value. Hi all, Feb 17, 2009 · These changes document Community specific rules and Oracle’s content moderation practices including use of automated tools, appeals process, and Oracle’s contact details. But for now pressed for time, perhaps later. A simple boolean or is equivalent. com Oct 23, 2007 · I'd like to use a decode statement that returns multiple values instead of a single value. DECODE only "looks" at one thing, the first argument: DECODE([the thing I'm looking at], [then the possible values]) whereas CASE could have many things to consider, CASE WHEN x=1 THEN For appeals, questions and feedback about Oracle Forums, I have to use DECODE function in where clause. 2. gutif vnoveg qitrcs bwzsxi grq gzbs mozv sbnwcuduw vufp attq