I have a problem in comparing and getting the difference between two times in PHP. I tried some answers in the other questions too but none of them answers my problem. Here is the date times I have to compare.…
Hi this is my select sql query and its result : SELECT line,machine_type, COUNT(*) as linewise FROM dr_scan GROUP BY machine_type,line ORDER BY dr_scan.line ASC line machine_type linewise 1 Button Attach 4 1 Double Needle 1 1 Flatlock 1 1…
rid mak_id Machine prosessdate m30 door clamp cutting 507191 552140800 GT2600L 12-7-2023 10:10:13 0 0 0 0 507192 552140800 GT2600L 12-7-2023 10:10:14 0 0 0 1 507193 552140800 GT2600L 12-7-2023 10:10:15 0 0 0 1 507194 552140800 GT2600L 12-7-2023 10:10:16…
I have a chat app on my website. The chat messages stored in a table with timestamp. Also I list out all users (for now it's ordered by Username). SELECT username FROM accounts WHERE NOT id = 57 AND activation_code…
I am trying to run the following query on an SQL table of about 2.66 billion rows, keep in mind I am using Python psycopg (but I can use something else if it would make my life easier) to eventually…
I have a table with a boolean column and want know if atleast one record has a TRUE value in that column. This query works as expected with postgresql: SELECT sum(coalesce(CAST(boolean_column AS INT),0)) <> 0 FROM entity WHERE correlation_id =…
I have a table (code_table) with a lot of different types of records and values. One of the type of records contains a json field (but not all). The following returns the records with json fields: select code_data from code_table…
Hello guys I had this question on my SQL exam and I do not know what the answer should be. Can you help me? The table Employees, among others, contains a column called "Country" with a length of 3 characters…
I was a student of Oracle SQL where i used to use "AS" keyword for certain columns to automatically fill the values to selected columns based on mathematical computations. If you see in the example below: CREATE TABLE CHIT_CHAT_BILING (…
Would anyone have any advice on how to hardcode a specific date into my SELECT clause? I'm trying to force a date into my query so I can reference it later, but unsure how to go about this. Thanks in…