I’m using pyodbc to query to an SQL Server database import datetime import pyodbc conn = pyodbc.connect(“Driver={SQL Server};Server=’dbserver’,Database=’db’, …
SQL Server: CTE, how to get last row number
I have a CTE like this: ;WITH Lastdt AS ( SELECT database_name, backup_finish_date, ROW_NUMBER() OVER (PARTITION BY database_name ORDER BY backup_finish_date, database_name) AS ‘RowNumber’ …
mysql query: pull all rows where field2 has 01, 02, or 04 as any part of it
I have a query: SELECT * FROM table WHERE field1 IS NULL AND (field2 LIKE ‘%01%’ OR field2 LIKE ‘%02%’ OR field2 LIKE ‘%04%’ ) The goal is to pull all rows …
How to Select and Order By columns not in Groupy By SQL statement – Oracle
I have the following statement: There exists some extra columns in table Positions that I want as output for “display data” but I don’t want in the group by statement. These are Site, Desk Final output would have the following columns: Ideally I’d want the data sorted like: How to achi…
Null Calculation With SQL Select Statement
I have Following Table Input Output ——————————— 12.22 2.22 If I pass Following Sql Statement: Select Input,Output,Balance=sum(Input – …
CASE Statement in SQL
just a curious question. I have written following code using CASE statement but I don’t have data so I am not sure if my logic is correct. All I am doing is I am applying length check on each field …
Converting ntext to nvcharmax(max) – Getting around size limitation
I’m trying to change an existing SQL NText column to nvcharmax(max), and encountering an error on the size limit. There’s a large amount of existing data, some of which is more than the 8k limit, I …
SQL Error: ORA-02298: cannot validate (SYSTEM.AEROPUERTO_FK) – parent keys not found
I’m getting the following error in on Oracle SQL Developer: Error starting at line 1 in command: ALTER TABLE AEROPUERTO ADD CONSTRAINT AEROPUERTO_FK FOREIGN KEY (CODIGO_CIUDAD) REFERENCES CIUDAD(…
trim left characters in sql server?
I want to write a sql statement to trim a string ‘Hello’ from the string “Hello World’. Please suggest. Answer
How to select only the first rows for each unique value of a column?
Let’s say I have a table of customer addresses: In the table, one customer like John Smith can have multiple addresses. I need the SELECT query for this table to return only first row found where there are duplicates in ‘CName’. For this table it should return all rows except the 3rd (or 1st…