In woocommerce how make to show two postmeta table values in my custom page php like quantity, sku, price. database table. database table help for this issue resume: woocommerce show two postmeta table values namely quantity, price, sku of the…
desc tablename; and desc table tablename; are giving different outputs.what is the difference? i wanted to see the structure of the table,but accidentally ended up using desc table command and it led me to a completely different output
I have a very big table with a column that has mostly null values. I query this table a lot with x_column is not null condition. I wonder how I should index it and what is the best way to…
I'm trying to install mysql connector using pip but it keeps showing me this error:connection broken by 'ProxyError('Cannot connect to proxy.', TimeoutError('timed out'))': /simple/mysqlx-connector/ I think it could be a result of filtering in my region since I'm a beginner…
I have a SQL query when joining several large tables. My database consists of millions of rows across the users, orders and transactions table. Here is the query SELECT u.name, COUNT(o.id) AS order_count FROM users u JOIN orders o ON…
i need to get concurrent sessions for every minute of day from database with ~2 million rows. what is the best(fastest) way to get that data? table contains session_id, session_start_time, session_end_time example CREATE TABLE `session_id_table` ( `session_id` bigint NOT NULL,…
my code: $newElements=json_encode(['name'=>'jorge','age'=>23]); mysqli_query($db, "UPDATE dl SET data=json_replace(data, '$.list', cast('$newElements' as json)) WHERE id = '$ID' ") my Error: Fatal error: Uncaught mysqli_sql_exception: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server…
We are using Mysql EntityMapping table with 140cr rows, each entity mapped with 1 or 2 million contacts rows, it is growing in last 5 months. The table contains PK, entityId (Index column), contactId (index column), Added time(index column), remaining…
I have two tables: table_a and table_b. Size-wise, table_b is much bigger than table_a. There are fields(names) that are present in both the tables. The goal is to find the names (or the number of names when using count): that…
For sql like select * from table where fieldA in (...), if there are lots of values in parentheses(like 1000 values), and there is a B-tree index on fieldA. How mysql execute this sql. Does it work like foreach(value in…