SQL – Page 1343 – SQL Questions Answer

(SQLite) Count number of times a value repeats 3 times continuously

I understand that this is a complex query, thus I have a separate column for this, but the column contains almost 99% values as null (which is very ineffecient), thus I want to know it its possible to …

Create an UPDATE statement for every row in a table

sql sql-server sql-update tsql

I want to update a table on one server with data from a table on another server. The tables have the same columns and I just want to sync the data. I have earlier made a script that creates insert …

Eror While Executing a dynamic queries in a variable

dynamic-sql sql sql-server tsql

I’m executing a dynamic query from a variable but it always says: Could not find stored procedure I have tried to use simpler queries like set @query = ‘select * from [table_name]’ but it gives the same error. In my temporary table is the list of all my trigger name so the expected output I …

How do you put a conditional statement inside of a SQL count?

amazon-redshift sql

I have some entries where the join date and transaction dates are the same, so I want to include a condition excluding if the count is zero (divide by zero case). I was wondering if I could include …

Given a long/lat, convert meters into longitude/latitude degrees

geometry sql sql-server

I have a longitude and latitude stored as a geometry with SRID 4326. I want to make a line that is exactly 1000 meters long that is 90 degrees (to the right). I know that the conversion from a …

Is there a SQL syntax that will create new column by searching in 2 columns based on equal value of 3rd column in same table?

python sql sqlite visual-foxpro

I have 1 table, with fields named: class_code, name1, class_code1, name2, class_code2. I would like to search the value of class_code, and display it as class_code and name only, where class_code = …

Validate a value that already exists in database in JavaFX

java javafx sql

When i am registering members with a memberId, how to check that the user id is already exists in the members table or not ? I have tried in below method. Primary key is the MemberID MemberDbController.java MemberUiController.java } Its Throws an Already Exists Alert for both Duplicate & New Entry. Answer…