I have an Angular app which displays a list and a Scala API which provides data. I encountered a problem (and the languages don’t matter, is just about logic). The problem is that the table from which I get data doesn’t have a primary key. Because I need to display the data plain in a widget (of type table) without
Tag: sql-limit
SQL select single row number x only
For processing SQL data in VBA I want to use a loop (For…Next) that reads line by line from a SQL database. As records were deleted the ID column has gaps. The table looks for example like this: Having four lines I would like to run of course a “For each” would do good, too. Answer If you want 4
Query with offset returns overlapping data sets
Initial attempts at getting a very simple pagination, using fetch n rows and then a subsequent call with offset, gives overlapping entries in Oracle. I was expecting the following to give me two unique sets of results. 1-100 and then 101-200 of the results that would have been returned if the first line had been set with a limit of
SQLite how to use UPDATE and LIMIT at the same time?
What I’m looking for is to update only 1 row in a table where all the entries are, in the beginning, zero. After a while surfing the internet for answers, I found out that LIMIT should work fine with UPDATE, but also not quite. From what I’ve seen, I should have “enabled” some stuff with SQLITE_ENABLE_UPDATE_DELETE_LIMIT, but I have no
select limit in sql
I wrote this query but gives me an error at line 15 (limit clause). we have 3 tables, state, email, and receiver. CREATE PROCEDURE `inbox`(IN `page_size` INT,IN `page_number` INT) BEGIN set @curr …
How can I get the 10 most recent rows from a database?
I want to choose an id in a table, sort it by date and show only the 10 newest entries. I have already tried following command: SELECT * FROM weather WHERE DATUM = (SELECT MAX(DATUM) WHERE ID=’0′)
How to select certain number of rows from large query result set in Teradata sql
I am new to Teradata sql and I have a query that selects over one million rows. I want to write teradata sql to select the first 500,000 rows, then the next 500,000 rows and then the last 100,000 + rows in my data set. For the first set I know I can use SELECT * FROM QRY1 ORDER BY
MySQL check two columns for value but with a preferred column result
I have a MariaDB SQL table, with two different ID rows. Id’s have been imported from a previous DB version (old_id reference is from another table), as a transitional measure searches need to be done to find id’s, with a preference for the older id value. Only ONE row can ever be returned . Table: new_id is the Primary Key.
Why does adding ORDER BY drastically speed up query?
I’ve discovered some very strange and counter-intuitive behaviour in PostgreSQL. I have a query structure as follows. I am selecting both the IDs and the count from a subquery. The subquery does the …
Select from row to last row
Is it possible for me with MySQL to select the from a specific row to the end of the table, without knowing how many rows there are left? My query at the moment is: But I want to be able to something like: Can this be done? Answer Just use a large value like 999999999 that is going to be