I am trying to remove a specific div and it's content from a large number of Wordpress posts. Instead of just using 'display:none' to make the div invisible, I would like it to be removed permanently. That's why I prefer…
I am currently working on a project that has 2 very large sql tables Users and UserDocuments having around million and 2-3 millions records respectively. I have a query that will return the count of all the documents that each…
I would like to check an input (parameter) of a stored procedure if it has many spaces and empty, not just 1 space like so: ' ' '. I tried : IF column IS NULL or TRIM(column IS NULL) THEN…
I have a table like this userId story novel 1 a b 1 a b 1 a c 1 b c 1 b c 2 x x 2 x y 2 y y 3 m n 4 NULL NULL How…
Indexes table Keyname Type Unique Packed Column Cardinality Collation Null Comment PRIMARY BTREE Yes No ID 7 A No AD_ID BTREE Yes No AD_ID USER_ID 1 2 A A No Yes USER_ID BTREE No No USER_ID 2 A Yes How…
I have a table A and in it I have a column of type json that receives an array of dates. I need to fetch all female records from table A. I need to return a specific date from each…
I've a JSONB inside a PostgreSQL table with this structure (more or less) { "obj1": { "obj2": { "obj3": [ { "obj4": { "obj": "A" } }, { "obj4": { "obj": "B" } } ] } } } Then my…
Why must I state the table I'm referring to TWICE when using a join on a query? select table1.name from table1 inner join table2 on etc ...
I have a table in mysql called trans with the following structure: trans ( id number date date amount number ) The date is stored in the following format: 2021-09-21 I am trying to make a selection out of this…
The below query is taking time to execute. does this have any rewrite possibilities? Query; SELECT t_product.a_productid, t_product.a_mpactive, t_product.a_active, trim( substring_index(a_reference, '_',-1)) as a_reference, t_product.a_shopid, t_productlang.a_name, t_deactivatedproduct.a_reason FROM t_deactivatedproduct inner join ( SELECT max(a_deactivatedproductid) as a_deactivatedproductid FROM t_deactivatedproduct GROUP by…