Tag: user_id INT

how to take only last transaction to count timediff mysql 5.7

Post author By Full Stack
Post date August 13, 2020
No Comments on how to take only last transaction to count timediff mysql 5.7

this is the continue question from find out time difference for every user in condition mysql 5.7 this is my fiddle https://dbfiddle.uk/?rdbms=mysql_5.7&fiddle=31b3be9d1e2444eb0b32c262176aa4b4 i have this table CREATE TABLE test ( ID INT, user_id INT, createdAt DATE, status_id INT ); INSERT INTO test VALUES (1, 13, ‘2020-01-01’, 8), (2, 13, ‘2020-01-03’, 8), (3, 13, ‘2020-01-06’, 8), […]

Tags -11, '2020-01-01', '2020-01-02'), '2020-01-03', '2020-01-06', '2020-03-04', '2020-03-10', "14", "2020-03-03", "2020-04-10", 10, 13, 15, 2, 2020-03-02, 2020-04-04, 3, 4, 5, 6, 7, 8, 8); select * from test where status_id != 7 order by createdAt; +----+---------+------------+-----------+ | ID | user_id | createdAt | s, 9, and at least doing 1 transaction again in the time range, and count time difference also before the time range (see users_id 13, createdAt are the date transaction happen, createdAt DATE, DATEDIFF(t2.createdAt, i want counting only his users_id last transaction before time range (on this case, I want to find out time difference for every approval transaction on every repeat users on time range between '2020-02-01' until '2020-04-01', if the users had a transaction before time range, on this case, previous transaction) for these users SELECT t1.user_id, repeat users are the users who doing transaction before the end of the time range, status_id INT ); INSERT INTO test VALUES (1, status_id is the status for the transaction (if the status_Id is 7, t1.createdAt, t1.createdAt) diff -- table for a transaction FROM test t1 -- table for prev. transaction JOIN test t2 ON t1.user_id = t2.user_id, t2.createdAt, t2.status_id) -- get data only for users from prev. query JOIN (SELECT t3.user_id FROM test t3 WHERE t3.status_id != 7 GROU, that users also counting time difference in date '2020-01-01' until '2020-01-03'). what i want is, the expected results was like this : +---------+------------+------------+------+ | user_id | createdAt | createdAt | diff | +---------+--, then the transaction are denied or not approval). so on this case, this is the continue question from find out time difference for every user in condition mysql 5.7 this is my fiddle https://dbfiddle.uk/?rdb, this query count time difference in time range ('2020-02-01' until '2020-04-01') for each users, user_id INT, user_Id is the id of the users who doing the transaction, users are doing approval transaction before '2020-04-01' and at least doing 1 more approval transaction again in between '2020-02-01' and '20, users_id 13 who i want to counting just only time difference in '2020-01-06' until '2020-03-04' because in 06 january 2020 is the date when t

Database Development

How to prevent seek pagination from doing sequential scan over entire table

Post author By Jessica Alba
Post date May 23, 2020
No Comments on How to prevent seek pagination from doing sequential scan over entire table

I have 3 tables and a materialized view resource_categories contains all category names and metadata create table if not exists resource_categories ( category_id INT, title VARCHAR(255), content TEXT, icon VARCHAR(50) ); resources contains all resources under each category create table if not exists resources ( resource_id INT, title VARCHAR(255), content TEXT, link VARCHAR(1000), category_id INT […]

Tags `title`, '0'::bigint)) DESC, 0) AS likes FROM resources r LEFT JOIN resource_votes_aggregate a ON r.resource_id = a.resource_id ORDER BY likes DE, category_id INT REFERENCES resource_categories(resource_id), COALESCE(likes, Content TEXT, created_at DATE, I have 3 tables and a materialized view resource_categories contains all category names and metadata create table if not exists resource_ca, icon VARCHAR(255), icon VARCHAR(50) ); resources contains all resources under each category create table if not exists resources ( resource_id INT, link VARCHAR(1000), r.resource_id DESC Sort Method: top-N heapsort Memory: 25kB -> Hash Right Join (cost=12.03..59.25 rows=918 width=157) (actual time=0.032..0.0, resource_id DESC LIMIT 5; Execution Plan QUERY PLAN Limit (cost=74.50..74.52 rows=5 width=157) (actual time=0.058..0.060 rows=5 loops=1) ->, Title varchar(255), updated_at DATE ); resource_votes contains user liking a resource or disliking it create table if not exists resource_votes ( resource_, user_id INT, vote BOOLEAN ); resource_votes_aggregate a materialized view with likes per resource_id I want to execute the following queries Find all r

Mastering Development

SQL Least Earning Location Count

Post author By Full Stack
Post date April 2, 2020
No Comments on SQL Least Earning Location Count

I am using an online editor to solve query https://www.jdoodle.com/execute-sql-online/ have the following SQL Table create table CITIES(id int, name String); create table USERS(id int, city_id String, name String, email); create table RIDES(id int, user_id int, distance int, fare int); INSERT INTO CITIES (id, name) VALUES (1,”Cooktown”), (2,”South Suzanne”); INSERT INTO USERS (id, city_id, name, […]

Tags "Cooktown"), "South Suzanne"); INSERT INTO USERS (id, 2, city_id, city_id String, distance int, email); create table RIDES(id int, fare int); INSERT INTO CITIES (id, I am using an online editor to solve query https://www.jdoodle.com/execute-sql-online/ have the following SQL Table create table CITIES(id, Name, name String); create table USERS(id int, name: String, name) VALUES(1, user_id INT

Development

Fetch data from last week, even if no entry is present on few day

Post author By Full Stack
Post date February 22, 2020
No Comments on Fetch data from last week, even if no entry is present on few day

I want to fetch data from two tables post, post_like I want the data such that if row entry is not present in post_like table null/0 as result to be shown currently row data is omitted if the data is not present for a particular day. I have prepared sample data CREATE TABLE post(post_id INT, […]

Tags "2020-02-10"), "2020-02-11"), "2020-02-11"); SQL fiddle Query I am using SELECT COUNT(a.post_id) AS likeCnt, "2020-02-13"), "2020-02-14"), "2020-02-15"), "2020-02-16"), "2020-02-17"), 1, 2, 2020-02-12, 3, 3); CREATE TABLE post_like(post_id INT, 4, 5, created_on DATE); INSERT INTO post_like VALUES (1, DAYNAME(DATE(a.created_on)) as day FROM post_like a JOIN post b ON b.post_id = a.post_id WHERE a.created_on BETWEEN subdate(curda, dayofweek(curdate())-1) AND b.user_id = 1 AND b.post_type = 2 GROUP BY DATE(a.created_on) above query returns me day wise dat, dayofweek(curdate())+5) AND subdate(curdate(), I want to fetch data from two tables post, post_like I want the data such that if row entry is not present in post_like table null/0 as result to be shown currently row data is omitt, post_type INT); INSERT INTO post VALUES (1, user_id INT