When implementing “Triggers” , is it required to check the criteria/condition for trigger WHENEVER a change is made? If it is so, can someone have a large number of triggers? Or else, how is it done?
Difference between using a database driver and subprocess [closed]
I always using a driver for database adapter because thread safety. But I have seen that some developers (specially system engineers) using subprocess for database queries, something like this: …
Group by combination count in postgresql
I have a database table as like table_name (participant_member) : dataset and output formate link I need combination based group by unique count for example if a member already stay in purpose p1 …
SQL count column from another table
I have two tables in a database The first being people which has the columns id: int, name: varchar(10) and another being relationships which represents a one way following me: int following: int …
INSERT into statement not working in oracle when using INSERT INTO .. SELECT * FROM
I have vh_emp table whose table structure is(This is empty table): I am taking data from employee table as source table where I wrote some query to match with vh_emp table: SELECT e.emp_id …
Why sql query extract other info
I want get city attribute from my database. But when I run my code I get this info (u’Rome’,) I want get only Rome as result This is my code connection = mysql.connector.connect( …
How can I use a calculated value in the WHERE clause?
I have the following SQL: SELECT members.id, FLOOR(DATEDIFF(‘2019-10-25’, crew_cv.dob) / 365.25) as age FROM members JOIN crew_cv ON members.id=crew_cv.user_id WHERE members.active=1 AND age>20 …
How can I join these rows together with commas as a column in my select?
I have the following query: SELECT STRING_AGG(SELECT department FROM additionaldepartments WHERE employee = e.EMPID, ‘,’) AS additional_departments, r.actionId, e.EMPID AS `id`, …
INNER JOIN is not working, i do not get errors
$result = mysqli_query($conn,”SELECT * FROM table1 INNER JOIN `table2` ON `table1`.`id`=`table2`.`id`;”); while ($row = mysqli_fetch_array($result) ){ echo ‘name ‘.$row[“name”].'<…
Is it possible to use OR in a table link rather than AND
I have created a WorkFlowForm to allow logistical personal to combine multiple picknotes on one set of despatch paperwork. The WFF has all the header information and should pull through all the …