Questions tagged [case]
The case tag has no usage guidance.
118
questions
0
votes
1answer
23 views
Multiple THEN outputs on a PostgresQL query
Helllo there,
I've been playing around with a materialised view, and my goal is to pre-process as much information as I can, aggregating the info into this view that would speed up the data analysis.
...
1
vote
2answers
27 views
Split cases in WHERE clause based on boolean variable
I have to split a WHERE clause based on a boolean variable:
If ShowZeroVariable is true, I only what to show rows value 0 in a certain integer column.
If false I want to show all that are greater ...
0
votes
0answers
27 views
SQL Server - CASE for multiple tables
hope I can explain myself right in this question.
I have three (3) tables from which I have to build a report, this is the data selection process I need to do in order to correctly output the data to ...
0
votes
2answers
54 views
How to use OR operator in CASE THEN statement
I have a situation like this
select col1, col2
from table1
where col1 = case when (booleanexp1) then a OR col1 = b
when (booleanexp1) then c OR col1 = d end
I mean I need to get ...
-3
votes
3answers
63 views
if statement in a query [closed]
I am getting an error while running this code:
Incorrect syntax near the keyword 'IF'
I need the output through function only with table return .
CREATE FUNCTION [dbo].[...
1
vote
1answer
107 views
Case Statement for on same month
i have a CASE statement, which classify my Customer-Revenue and set Flag, when Revenue <> 0 is. But my problem i should search also same month record on my case statement. Logic : if two records (...
0
votes
1answer
50 views
Get percentage from results from two case results
How i can get percentage from two resuts from case staments?
SELECT *,
COUNT(CASE WHEN estado_rep >=11 and RELATION=1 THEN 1 ELSE NULL END) as pendiente,
COUNT(CASE WHEN estado_rep >=...
0
votes
1answer
329 views
CASE in WHERE clause in MySQL
I'm working in a project with MySQL and using stored procedures to make my SELECT queries,
so all of them have this same structure:
DELIMITER $$
CREATE PROCEDURE `case_in_where`(IN `column_selector` ...
1
vote
0answers
34 views
Using conditions to return specific rows
From the following table i am trying to retrieve specific rows based on a criteria
+----+--------------+------+
| ID | UPDATED_DATE | TYPE |
+----+--------------+------+
| 1 | 01/13 | P |
|...
0
votes
0answers
35 views
Collect data checklist from different table
I want to collect data checklist from 5 different table. in example table c have data with same foreign key "id_name" then its state "yes" else "no". This is my sql statement
select a.id_name
case ...
0
votes
2answers
33 views
postgres simple number to string mapping
I have a an Enum at the programming language level which is stored as a simple integer on the table. Think:
APPLE = 1
GOOGLE = 2
MSFT = 3
AMAZON = 4
... (100s more)
I just wanna query the table and ...
-1
votes
2answers
245 views
DB2 Join with case when statement or union [closed]
How can I use a case statement in a join?
Given: 3 Tables
Dealer
DEALER_NO CUST_ID
001 100
002 200
003 300
Table: Customer
CUSTOMER_NO NAME CUSTOMER_MAIL
100 JOHN ...
-2
votes
1answer
49 views
Looking for help with this shipping report! The Case Syntax is throwing me for a loop
So, the goal of this report is to get all orders that have been shipped in a month (October here). I was initially just using the 'PickedUpOn' field but soon found that there were instances where this ...
2
votes
1answer
68 views
Filtering previous month data with case statement
These are my available attributes:
DT_CURRENT_DT Month Year
11-OCT-18 10 2018
12-OCT-18 10 2018
13-OCT-18 10 2018
14-OCT-18 10 2018
15-OCT-18 10 2018
16-OCT-18 ...
0
votes
1answer
281 views
MYSQL Using CASE Function between Dates
SQL Version: MySQL 5.6.32-78.1
I have this table below:
+-----+----------+--------------+--------------+--------------+------------+--------------+
| id | amount | currency | date_created | ...
0
votes
2answers
35 views
subquery inside a case statement
I have a huge view -the view gathers information of players.
In a specific part the view assigns agents for players, those players are selected from table 'S' and are being assigned using a case ...
1
vote
3answers
101 views
Return a value only when conditions satisfy for entire column
Can anyone help me to how to achieve below result
Input data
ORDER_NUMBER LINE_ITEM FLAG
LP-13288 1 TRUE
LP-13288 2 FALSE
LP-13288 3 (null)
LP-13288 4 FALSE
LP-13289 1 ...
1
vote
1answer
2k views
How to write case when in where statement in Oracle [closed]
I wrote below statement. In MySQL it executes ok, but in Oracle it fails with error:
meg:ORA-00905: missing keyword
How should I write this SQL?
SELECT count(*)
FROM userTable
WHERE ( CASE ...
3
votes
3answers
2k views
How do I write a conditional statement (IF) with MySQL?
What is wrong in below simple query? I tried to google it but not found
IF 1 = 1 THEN
SELECT 1;
ELSE
SELECT 12;
END IF;
1
vote
2answers
431 views
SQL case statement not executing 'else' [closed]
I am on Oracle 12.1.0.2.0
I have a query that I wrote utilizing a CASE statement. I have 2 "WHEN" statements and one "ELSE" statement. The query is working as expected except for the "ELSE" statement. ...
4
votes
2answers
91 views
String comparison without CASE statements?
Is there a shorter more terse way to do a string comparison in SQL Server without wrapping it in a CASE WHEN ... THEN 1 END? In PostgreSQL, I can do
SELECT c, c='foo'
FROM ( VALUES ('foo'),('bar') ) ...
3
votes
2answers
2k views
case statement sub query need to return multiple values
Below query need to return multiple values
select
CASE WHEN LTRIM(RTRIM([Order].ClientProject_Id))!=''
THEN (SELECT StationeryClientProject.ImpFile from StationeryClientProject
WHERE ...
4
votes
2answers
207 views
Sargability of queries against a view with a case expression
I have a view that looks similar to this:
CREATE VIEW Shipment.Shipment AS
SELECT CASE
WHEN shipmentOld.SHIPMENT_ID = 0 OR shipmentOld.SHIPMENT_ID = -1 THEN NULL
...
0
votes
1answer
4k views
Use of null in case expression [closed]
In the customers' table, many customers do not have state data in the state column therefore when we select customers, the state column displays NULL values, which is not meaningful for the reporting ...
1
vote
2answers
111 views
Collapsing a column to yes/no on query
I have a table with two columns name and value.
There are many rows with the same name, but with different values.
I want to create a function that returns a table with 2 columns. The first column ...
0
votes
1answer
481 views
How can I stop script execution if insert value is null and set value if not null?
I have tried to use Case and SET NOEXEC ON but get the following errors:
Syntax Error: unexpected 'SET' (set)
Syntax Error: missing 'closing parenthesis'
INSERT INTO tag (table, repr, tag, ...
0
votes
1answer
2k views
MYSQL - Operand should contain 1 column(s) - Nested Case statement [closed]
I have written the below query with nested case statements. The syntax checks out but when I run it I receive error code 1241: Operand should contain only 1 column(s). I have attempted to remove the ...
2
votes
1answer
8k views
Empty result set and Case When = 1
I'm pretty sure this is a implicit conversion but I wasn't able to find information about it.
Suppose I have this SQL:
SELECT
CASE WHEN (SELECT 1 WHERE (1=1)) = 1 THEN 1 ELSE 0 END
My subquery is ...
0
votes
1answer
840 views
case when IsNull Alternatives?
Is there a way, to optimize this query, where several IsNull in relation with dates are used? Unfortunately the query is a way slow and actually I have no glue, how to make it way faster.
case
when ...
0
votes
1answer
57 views
SQL CASE and ELSE
Hello I am considering the following:
CASE
WHEN xyz.something = 1 THEN 'SOMETEXT'
WHEN xyz.somethingelse = 1 THEN 'SOMEOTHERTEXT'
WHEN xyz.somethingelseagain = 2 THEN 'SOMEOTHERTEXTGOESHERE'...
10
votes
1answer
4k views
How to multiply rows for a column that contains negative and zero values?
I'm trying to get the Product of all rows for a specific column in a grouped by query. Most examples I've found point me towards combining exp, sum and log
exp(sum(log([Column A])))
The problem I'm ...
0
votes
1answer
53 views
Looking for another method to count in a single query
So, I found this article is very useful Join two tables and return data and count in a single query
and here Single query to return counts over different IDs in a single record for some IDs or ...
0
votes
2answers
60 views
Categorize rows as first, last or in between
I have a table called road_events.
create table road_events
(
event_id number(5,0),
road_id number(5,0),
event_type nvarchar2(50),
lifecycle_number number(5,0)
);
insert ...
6
votes
1answer
659 views
SUM CASE WHEN CLAUSE
I have the below Query and I want the Ageing profile to show as a new column
my ageing profile is 0-30, 31-60, 61-90, 91-120, 121-180, 181-365, 365+
I basically want the results to appear lie this ...
-4
votes
4answers
26k views
Using IS NULL in CASE Expression in WHERE Clause [closed]
I have a WHERE clause that I want to use a CASE expression in. However, my CASE expression needs to check if a field IS NULL.
If the @UserRole variable value = 'Analyst', then the ...
2
votes
1answer
108 views
Using Oracle XE, how do I create a CASE statement To return a specific date
I am Trying to create a view based on a business calendar table called Business Payment Calendar view with two new calculated columns:
Payment Warning Date (Payment_Warning_Date)
Payment Due Date (...
2
votes
3answers
845 views
How to avoid redundant case/when in Postgres?
Based on this simple example table:
create table some_data (x integer, y integer);
insert into some_data (x,y) values
(1,1),
(1,2),
(1,1000),
(1,2),
(2,1),
(2,1),
(2,2);
I query it trying to sum ...
1
vote
1answer
241 views
Converting a Crystal Report Formula to a CASE expression
With attempting to convert a crystal report formula into a SQL CASE expression, I seem to be having trouble understanding the concept of "total_pallet_weight" and "order_no" utilizing the "AND" in the ...
2
votes
1answer
915 views
Why can't “NEXT VALUE FOR” be used in a case statement
I was writing an INSTEAD OF INSERT trigger and hit an error on this code:
CASE
WHEN Inserted.KeyId IS NOT NULL THEN Inserted.KeyId
ELSE NEXT VALUE FOR SomeSchema.NextKeyId
END
The error was:
...
4
votes
1answer
976 views
Group values: CASE text, ELSE field value
I have a ROAD table:
+----+------------+
| ID | ROAD_CLASS |
+----+------------+
| 1 | ARTERIAL A |
| 2 | ARTERIAL B |
| 3 | ARTERIAL B |
| 4 | ARTERIAL C |
| 5 | ARTERIAL C |
| 6 | ARTERIAL C |...
0
votes
2answers
2k views
UPDATE Column values with Case and JOIN
I have 2 tables "a" and "b".
Table "a"
| property | element | ply | ..
Table "b"
| property | ply | material | ..
What I want to do is to add a column to the first table called "material" and ...
2
votes
1answer
6k views
set variable result in case statement to be used again in the same select statement
Is it possible to create, inside a single select statement, like this:
SELECT
name,
CASE
WHEN name = 'a' THEN 'a'
ELSE 'b'
END tag,
CASE
WHEN tag = 'a' ...
-1
votes
1answer
5k views
Use multiple OUTER JOINS in a CASE statement
I tried to put :
Select .... , (CASE WHEN (D.C_ZONE is null or D.C_ZONE = '') THEN
coalesce(DL.C_ZONE, ' ') ELSE coalesce(D.C_ZONE, ' ' ) END ) AS C_ZONE,
coalesce(Z.N_ZONE,'') as N_ZONE, ...
3
votes
2answers
2k views
Group By With Rollup results table has totals at the top
I have the following query that returns a set of counts by weeks beginning with Monday, with a row for the aggregate totals.
select distinct
DATEPART(ISO_WEEK, ig.IN_EVT_DT_TM) as B2B_Week,
...
0
votes
1answer
61 views
How to query and group based on matched multiple conditions?
I have a tableName with records as sample as following, the mainID is unique at all for same "name", but subID has different values (one or more) for same mainID(s),
name mainID subID
...
0
votes
1answer
625 views
Problem with SELECT CASE WHEN THEN, 0 result [closed]
Need an advice in SELECT CASE WHEN THEN. In main, removed all unimportant function, usual select i.fav_id FROM users; i see original table:
fav_id
1
2
6
7
but i need change some id's for result ...
0
votes
1answer
100 views
Combining nullif while checking if field is an integer with a case statement
As part of an ETL process, I need to copy a varchar field in table1 (staging table) which is meant to contain an integer value to a tinyint field in table2 (production table). However I am having some ...
0
votes
1answer
186 views
UPDATE and CASE problem [closed]
It is my first question in this forum.
I wrote this code, but it is incorrect and I can't find a problem.
I have 2 tables: sciana (gid,id,geom) and sciana1(gid,id,geom).
If table sciana is empty I ...
0
votes
1answer
473 views
How to print text in select query instead of NULL value in DATE field in postgresql?
I have a table test as follows :
create table test (id int, enroll date)
I have inserted some rows as follows :
insert into test values (1,'2012-01-02');
insert into test(id) values (2);
...
2
votes
4answers
571 views
Building where clause based upon parameters
In PostgreSQL I am trying to build a where clause in a function that uses an inbound parameter to determine the contents of the IN
For example:
select fld1, count(fld1)
from xyz
where fld1 in (
...
