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2
votes
1answer
36 views

Case When over 2 columns return results into 1 output column

I have an issue in SQL Server (using 2014 but not sure that's relevant). I have 2 variables Q20 and Q46 which depending on result I want to output a value to the same column for each result. For ...
3
votes
1answer
69 views

Display non-null and null count using case statement

In total there are 10 values in my table, 5 of which are null. I need to display the count using case statement in Oracle, like output below: Sample Data: +------+ | Eid | +------+ | 1 | | 2 ...
1
vote
1answer
49 views

Selecting 1st and 3rd Tuesdays

So here is my situation. I am trying to write a script which will (among other things) allow me to measure prime time block utilization. For reasons unknown to and unchangeable by me, various ...
0
votes
1answer
26 views

How to do an efficient case insensitive search

As an example, take a city table with 2 columns city_ref (bigint) city_name (varchar) with indexes on both. I want to do a case independent search by city_name. I know I can use like but ...
2
votes
3answers
67 views

updating the entire column with datetime values based on other values in the row

I have a very large table [server].[dbo].[MyTable] where I need the SQL statement to fill the column 'ToDateTime' (currently full of NULLs) according to the following logic: Only add a value to ...
1
vote
2answers
98 views

How to order by alphanumeric codes in SQL Server [closed]

I have a table with some project codes. These codes are e.g.: B001, B002, Z15001, Z14001, P003,... I need this result table: Z15001 Z15002 ... B001 B002 ... C001 C002 ... Z14099 Z14098 Z14097 ... ...
2
votes
1answer
74 views

Regular expression in a SQL case statement

I have records formatted as such: CBS405/505 Fourth Week(Wtr Qtr) BR 404-504-604 Fifth Week(Fall Qtr) AP490-QB-09 Weekly Sessions(Spr Qtr) APR501 Fourth Week(Wtr Qtr) MP 300 Fourth Week(Wtr Qtr) ...
0
votes
1answer
40 views

Restricting multiple records to one by preference?

Below is a query I'm using to extract the best Price1 amongst several distributor's pricing tables. SELECT products.UPC, T2.Price1, vProducts_PriceQty_Union.Price2, ...
1
vote
1answer
67 views

Student Attendance, null not returning [closed]

My question is based on the answer given here Attendance: id | student_id | date | ------------------------------ 1 | 2 | 2013-10-24 | Students: student_id | student_name | ...
4
votes
1answer
155 views

Null Values in a CASE statement

I am playing around with some stuff in SSMS to learn a little more as I study for my 70-461 exam and I came across a little hangup. I am trying to create a table to play around with so I don't have to ...
1
vote
3answers
725 views

A more efficient way to write multiple CASE statements [closed]

SELECT CASE WHEN ( Table.COLUMN1) IS NOT NULL THEN 1 ELSE 0 END, CASE WHEN ( CASE WHEN ( Table.COLUMN1) IS NOT NULL AND ( Table.COLUMN2) IS NOT NULL THEN CASE WHEN ( Table.COLUMN1) - ( ...
3
votes
0answers
117 views

How to format T-SQL identifiers in camel case

A number of tools exist which are designed to facilitate formatting the T-SQL in an inherited script or stored procedure to match one's personal preferences. One feature I would like to see in such ...
2
votes
1answer
437 views

How to speed up slow query using GROUP BY and CASE?

I'm not very experienced with MySQL and and trying to figure out how to speed up a slow query using GROUP BY and CASE statements. CASE 1 -- GROUP BY and CASE SELECT SQL_NO_CACHE m.id, m.sku, ...
1
vote
0answers
92 views

How to replace empty, multi-column result with single 'none'

If it is possible to make query in Oracle which will return single column/row with value "none" instead of empty, multi-column result? Otherwise return proper amount of columns with result. This is ...
0
votes
0answers
34 views

WHERE in CASE in mysql

$sQuery = "SELECT SQL_CALC_FOUND_ROWS ".str_replace(" , ", " ", implode(", ", $aColumns))." FROM (select CASE when r.agent_id=24 THEN r.Unit ELSE '--' END AS MyUnit, CASE when r.agent_id=24 THEN ...
0
votes
0answers
38 views

Where statement involving isnull/case

Here is my query: [SuggestedRetailPrice] > 0 AND (ISNULL( CASE WHEN [AdEnd] < GETDATE() THEN [AdPrice] END, [BasePrice]) )/[SuggestedRetailPrice] > 0.8 ...
0
votes
0answers
15 views

MySQL Case always executes the same [duplicate]

What I want to do is to set DATE_REACT a value when the first condition is satisfied, and a different value when the first condition is not satisfied. The problem is that the first condition is ...
0
votes
2answers
53 views

MySQL Case problem

I am trying to run a SQL code (I use MySQL). What I want to do is to set DATE_REACT a value when the first condition is satisfied, and a different value when the first condition is not satisfied. The ...
-1
votes
1answer
1k views

How do I select data with a case statement and group by?

I'm trying to manipulate data a little by using a case statement but can't seem to figure it out. Stops -------------------- 1Stop 1-Stop 1 stop 1 Stop 1stop 1 Stop 2-Stop Im trying to come up ...
1
vote
2answers
491 views

Update a date_modified MySQL Record Field ONLY when other fields have changed using CASE statement not working?

I have asked my question on Stackoverflow but have not really gotten any answers so I am trying over here now. I have the MySQL query that is ran in a PHP script below. What it does is Inserts a new ...
2
votes
3answers
289 views

Using expressions in the SELECT list to thin down a CASE statement

I have a query I'm working through rewriting - it has a huge bunch of case statements in the select list that all basically look like this: select Column1 = case when (Something = 2) and ...
0
votes
1answer
68 views

CASE conditions in SELECT statement [closed]

I have the following SELECT statement: SELECT expt_id, iso_stain, test_stain, stain_type CASE WHEN stain_type = 'Blue' THEN iso_stain = 'NA' CASE WHEN statin_type = 'Hematoxylin' THEN ...
0
votes
1answer
384 views

Case always returns null?

I have a subquery that gets the DATEDIFF of two dates. However the first case always returns null yet the actual sub query returns dates?! CASE WHEN [date1] > [date2] THEN ...
1
vote
1answer
2k views

Stored Procedure to evaluate column if condition is true execute another stored procedure

I have a stored procedure that executes with Windows task manager and I want to add a condition statement that executes another stored procedure if the condition is true. I was thinking a case ...
0
votes
1answer
47 views

Replace query result with case/when failing

Using MS SQL, I like to replace the information in the OEM_Description column when the column Item translation (IT).Description is NULL and when the language setting of the customer C.[Language Code] ...
0
votes
1answer
133 views

SQL Case Sensitive Query

I have two databases which return different results based on the case of the query. On the first database I run the query FROM [Temp].[Team].[CLASS] WHERE [TABLE_NAME] like '%Link%' and on ...
2
votes
0answers
1k views

Postgres Case statement not return else value in this query

I'm creating a SQL query with a some nested queries and I'm trying to use the CASE statement but it is behaving weirdly. I've been at it for at least 6 hours without any luck... This is my query at ...
0
votes
3answers
3k views

Running an “ORDER BY CASE” query on MySQL view breaks it afterwards

Whenever I create a MySQL view and then run a query ordering the results with ORDER BY CASE WHEN (...), the view becomes unusable. The newly created view works properly and all SQL is correct. This ...
0
votes
2answers
319 views

CASE Statement - 1st case is being ignored

I have a table (usr_t_user_reg) in which I register all the users of the database. Now I want to create a view (usr_v_user_not_reg) which shows me all the users that I haven't registered yet or users ...
-1
votes
1answer
102 views

Problems working with decode function when there is more then one expression

I am using Oracle 11g. I have these two tables: Table acct: acctnbr || Name || Mailing address 000001 || Slater || 000002 || Baker || Alt 000003 || Parke || Table addruse: ...
3
votes
1answer
2k views

ORDER BY items must appear in the select list […]

Using Microsoft SQL Server 2008, I get the following error. Msg 104, Level 16, State 1, Line 43 ORDER BY items must appear in the select list if the statement contains a UNION, INTERSECT or ...
5
votes
3answers
8k views

Return multiple rows from matching on multiple CASE matches?

I want to add a column to my query which will specify one or more categories a row matches. I want to take this: +--------------+---------------+ Row | Product | Quantity_Sold | ...
10
votes
4answers
21k views

Does SQL Server CASE statement evaluate all conditions or exit on first TRUE condition?

Does the SQL Server CASE statement evaluate all the WHEN conditions or does it exit once it finds a WHEN clause that evaluates to true? If it does go through the entire set of conditions, does that ...
1
vote
2answers
2k views

Foreign key with multiple references

I have the following three tables in mysql database named "THE_COLLEGE" mysql> desc students; +----------+-------------+------+-----+---------+-------+ | Field | Type | Null | Key | ...
1
vote
2answers
748 views

Oracle Case when problem

I Have a table like fallowing work_id group effort ----------- ----- -------- 1 A 10 1 B 5 2 A 7 2 ...
1
vote
2answers
760 views

Way to update many (>3000) records with unique data, using a character limited web form

Okay, as you can probably tell from the last part of the title, this is a non-ideal situation. I'm using a piece of industry-specific web-interface software that I guarantee no one has ever heard of, ...
4
votes
2answers
13k views

CASE ORDER BY with multiple columns, and different sort options

I am attempting to use a T-SQL CASE ORDER BY in a stored procedure where I am passed @OrderBy parameter as a TINYINT. @Orderby = 1 Then Date column should be ASC @Orderby = 2 Then Date column ...
1
vote
1answer
349 views

Is my case statement broken by the use of outer apply?

I'm struggling with a case statement not working. Simple enough I need to supply a value of 0 where the question marks are. I have several other case statements which handle separate columns, but this ...
4
votes
3answers
54k views

Oracle SQL - CASE in a WHERE clause

Is it possible to somehow do this? WITH T1 AS ( SELECT 1 AS SEQ, 'NOTHING 1' AS SOME_TYPE FROM DUAL UNION ALL SELECT 2 AS SEQ, 'NOTHING 2' AS SOME_TYPE FROM DUAL UNION ALL SELECT 3 AS SEQ, ...