In SQL I am checking for Null Value. There is presence of Null values in the data set but I am still getting 0 in the output. I have uploaded the data twice to check if the updation is correct…
I want to query a table with multiple combined fields in an IN clause. Example: find all records with "john doe" and "marc smith", but ignore all other persons.. SELECT * FROM persons WHERE firstname IN ('john', 'marc') AND lastname…
I am new on Python and SQL. I'm trying to create a simple code to create and then access a database and then a table to try to understand how sql works. In order to do so, I have the…
I'm making my final proyect for my final studies and I've encountered a doubt without so much information about it. I'm making an horizontal scaling Nginx with MariaDB Galera network with Ansible and Docker-Compose, where I have 3 containers of…
I'm confused a little bit about how I can import a custom .sql file into the default db as soon as it gets ready. I tried putting an import command under .ddev/commands/web but didn't work out. Thanks in advance I've…
I have two tables job_report and index_jobreport. job_report table "id" column is "index_jobreport.jobreport_id". index_jobreport have DSR_hashkey column. We group the DSR_hashkey column with the main query. This time query is getting random rows from time to time. (attached files -…
I am trying to match keywords using multiple LIKE's, however I would like to be able to do something like this: SELECT * FROM `keywords` WHERE keyword LIKE '%pp%' AND keyword LIKE '%p%'; to match "hippopotamus" but not "hippo". I…
Would it be possible to build a mysql query to determine the frequency of an image being used in Wordpress? So that it extracts and counts different image hrefs from the wp_posts?
Example table is defined like this: create table testtable ( some_id int primary key, ts timestamp default 0 on update CURRENT_TIMESTAMP, <zero or more columns...> ); Is it possible to run UPDATE query on this table, given some_id, so that…
I have a query like this, SELECT colA, colB, colC, colD FROM myTable ORDER BY colC ASC; Here, in myTable, all the values in the column colC are Empty/Blank/NULL. Now, how MySQL will behave in this scenario? I know the…