I have a table in my database which looks like this: I want to get table with number of upload value_types per day (my time column is not per day as you see). So for this example it must look like: How should this SQL query look like? I dint understand turning time into days part especially. Answer You seem
Return row per key based on precedence in Oracle’s SQL
I have data as below. Some items have more then one type id. I need to select only one from each id. My condition is that if exists (type id of item == 1) select only that row; if not exists type id is 1 check if exists (type id of item == 2) select that row; if not exists
SELECT after specific row with non-sequential (uuid) primary key
With the following table: How could I retrieve n rows after a specific id, ordered by inserted_at ? Answer I want to retrieve n rows after a specific id, ordered by inserted_at. I am expecting something like this: For this, you want one additional index on users(inserted_at).
How to perform Case statement inside a select statement?
I wanted to put ‘No record’ on the column instead of NULL if the datediff function returns a null value. So far this code only throws Incorrect syntax near ‘CAST’, expected ‘AS’. but I don’t know what data type should I put in the CAST parameter , since if there’…
MySQL query shows something like 0x8081 instead of special characters
When i run SELECT CHAR(128,129,130,131,132,133,134,135,136,137); I got 0x80818283848586878889 istead of Çüéâäàåçêë. Does anybody know why? I’m using charset utf8mb4. When I run show variables like ‘%char%’; I got I’m using MySQL version 8.0.26 Answer The output charset is “DOS We…
Postgres: SQL Error [42601]: ERROR: syntax error at or near “int”
I am getting the below error for the following Block- SQL Error [42601]: ERROR: syntax error at or near “int” Position: 14 BLOCK Kindly help me in pointing my mistake. Answer First of all the types like smallint, integer, bigint and int store whole numbers, that is, numbers without fractional comp…
Why is SQL Server Full Text Search indexing SCR or SUR acronym followed by a number, together?
I discovered a very odd behavior of SQL Server Full Text Search which is indexing SUR, SCR and possibly some other acronyms, together with a number following it – as “Exact Match”. keyword group_id phrase_id occurrence special_term display_term expansion_type source_term s u r 1 2 3 4 5 1 0 …
How can I group by Latest Date in SQL?
I have an issue with grouping the latest date by metric. Let me show you exactly what I mean, let’s say I have this table: Instance Date MetricID Value Marc 09/14/21 1 5 Marc 09/14/21 2 2 Marc 09/14/21 3 1 John 09/14/21 1 10 John 09/14/21 2 1 John 09/14/21 3 1 Marc 09/15/21 1 15 Marc 09/15/21 2
Error ORA-00933,PL/SQL: SQL Statement ignored , PLS-00103 while running this in oracle, How to resolve it?
I am getting errors while running this code Error report – ORA-06550: line 46, column 104: PL/SQL: ORA-00933: SQL command not properly ended ORA-06550: line 43, column 11: PL/SQL: SQL Statement …
Date Entry of SQL ORACLE
Here I am using Oracle SQL and I have a table with 2 columns, Keyword and Created_Date. Is there any way to get the 3rd column with information of next entry of 2nd column in accordance with first column? Thanks guys Answer Looks like the LEAD analytic function. Sample data in lines #1 – 10; query begin…