What happens when a comma is not placed following an existing field name in SQL

This is with regard to the SQL Tryit Editor provided by W3 Schools. (Saying this just in case it is an environment-specific problem) The code SELECT CustomerName, Address, City, PostalCode FROM …

When inserting multiple record into a SQL table it does not follow the order

When using a single insert statement to add multiple records into a table as shown below, it does not follow the same order when selecting. I understand that it does not affect anything but may I know …

SQL: Change the value of a column in function of another

I get a table from SQL that I put whitin a winform’s datagridview. I just want to change the value of my last column in funtion of another. Here is the example: I have 4 columns : ID / Price / …

using case statement in a where clause

Hello I am missing something because my code errors. select * from ##ScheduleDetail SD left join ##HolidayFilterTbl HF on SD.Scheduledate = HF.Testdate where (ScheduleDate = testdate) and (Case …

How can I override rows from another table?

I have two tables: TableA ID Name — —- 1 aaa 2 bbb 3 ccc 4 ddd TableB ID Name — ——– 3 WWXXYYZZ I want to select from both tables, but skip the rows which exist in TableB. The …

SQL frame a result table from a table by searching its field

I have a table as below. MyTabl Name Main Group3 Xyz Group2 Group3 ABC Group1 Group3 PQR – Group3 I need to frame the result table with the fields. “Name”, “…

PostgreSQL ltree find all child node of a given path (With out using expression)

Only child node of given path (Except the given path) Query: select path from tree where path <@ 'a.b.c'; Result: Expected result: All the below node of a.b.c (In result don't needed a.b.c)

MySQL-Statement. How do i skip rows in query where all rows equal null

I have created a query to construct a table with the following code: SELECT Date, SUM(CASE WHEN UniqueId = ‘NonComLong’ THEN Value ELSE NULL END) AS ‘NonComLong’, SUM(CASE WHEN UniqueId = ‘…

How can i find rows before a specific value?

I have the next row and what I want to do is to select all the rows before the type “shop”. I tried using case in the “where clause” but I didn’t get any result. How can I do it? |id|visitnumber|type …

How to join SQL column elements together?

I have an SQL table with the column named expenses like this I want to write a query to return all the elements of this column separated by a comma. For the above example output should be:- hotel,…