id title count organizer 1 music 4 2 2 sports 6 2 3 music 2 3 I have a derived table with the above structure. I need to compute the percentage of the number of events of each …
Tag: mysql
how to fetch data from two tables in JPA
I am not able to fetch all records from two tables using the below query I have tried this but I am getting a result from one table only. I want a result of both the tables i.e, …
#1064 – You have an error in your SQL syntax. Error in my Update SQL statement
Can you please tell me what may be wrong in my SQL query? SQL query: UPDATE ‘wp7b_5_usermeta’ SET ‘meta_key’ = REPLACE( ‘meta_key’, ‘wp_’, ‘wp7b_5_’ ) WHERE ‘meta_key’ LIKE ‘wp_%’ MySQL said:…
Mysql count the different id’s of the foreign key
I have the following tables: jobs: ——————————————————- | id | title | slug | ——————————————————- employments: ————–…
Why isn’t GROUP_BY returning the desired records?
Given a table of: invitations (id, created_at, type, email) Given the following query: SELECT DISTINCT email_address FROM invitations WHERE type = ’email’ AND date(created_at) in (curdate() – …
How to add Conditions on SQL Percentile Window function?
I want to do a special query to evaluate team members. Each member will have a score, and those with score that is greater than 80th percentile of that team’s score will get a bonus. However, I want …
using “INSERT INTO” statement in php code doesn’t work
I’m trying to build a database for a bookstore with 3 tables: Book, Volume and Publication. version 2 : I could make some corrections in my code and database thanks to previous answers and this one …
Change the column value depends on occurrence count
There is the table: NAME GENRE book1 genre1 book2 genre2 book3 genre1 book3 genre2 book4 genre1 etc So, we can have a book with only one or with many genres. From this table I would like to …
MYSQL query for first 40 records and else records
I have a table names ‘tbl_featured_professional’ where fields are: id, user_id, ranking and score, createdDate What I want is first 40 records are ordered from ranking (which is unique) and all …
How to select rows from table where group does not contain value
I have a table that contains the following fields: Thedate,Thetime,Course,OR,L1R,L2R,L3R I would like to only return values if a group (Thetime) does not contain the value “0” in L3Ra column. I …