I have working code that can select a few values from an XML file. The problem is that I have multiple nodes with the same name. Here is a snippet of the XML:
Tag: sql
SQL select from inner join where count greater than
Doctor doctorid (PK) doctorname Patient patientid (PK) patientname doctorid I have the following query to get the doctors details with the number of patients that he/she consults. assume a patient has only one doctor to consult. Now I need to get the same information but only for the doctors who has more than…
EXPLAIN ANALYZE within PL/pgSQL gives error: “query has no destination for result data”
I am trying to understand the query plan for a select statement within a PL/pgSQL function, but I keep getting errors. My question: how do I get the query plan? Following is a simple case that reproduces the problem. The table in question is named test_table. The function is as follows: When I run I get the e…
Undefined variable at ‘Incdntno.Value’
I am having trouble getting this to compile, it keeps giving an undefined variable error during compile at ‘Incdntno.Value’. I tried to Dim Incdntno as Integer but then was getting Invalid qualifier. I have a similar code that works (see second code block). I didn’t need a lot of what was go…
Database does not exist. Make sure that the name is entered correctly
Why am I having this error? If you looked at the screenshot, you will see the database. It only happens when I am connected to two database engines. It only detects the databases from database engine …
PostgreSQL says “return and sql tuple descriptions are incompatible”
I have the following data: ID CLASS VALUE 1 NHB 700905.7243 1 HBW 164216.1311 1 HBO 700905.7243 2 NHB 146023.3792 2 HBW 89543.2972 2 HBO 82152.072 3 NHB 1409818….
SqlBulkCopy ColumnMapping Error
My goal is to copy generic tables from one database to another. I would like to have it copy the data as is and it would be fine to either delete whatever is in the table or to add to it with new …
How to debug a T-SQL trigger?
I have a table t, which has an “after insert” trigger called trgInsAfter. Exactly how do i debug it? i’m no expert on this, so the question and steps performed might look silly. The steps i performed so far are: 1. connect to the server instance via SSMS (using a Windows Admin account) right…
How to delete a stored procedure?
Using this we can create procedure then how to delete,alter…etc,Can any one help me how to delete procedure. Answer Try this USE [PSI Data] DROP PROCEDURE [dbo].[savepsi]; GO
What is this operator in MySQL?
I’m working on code written by a previous developer and in a query it says, What does <=> mean in this query? Is it something equal to =? Or is it a syntax error? But it is not showing any errors or exceptions. I already know that <> = != in MySQL. Answer TL;DR It’s the NULL safe equal…