Maybe because I'm new to ES but I can't find any documentations that talks about queries and their performance/comparison? How a query like query_stri ...
I have three database tables: product product_manufacturer product_manufacturer_warranties. The product table has a one-to-one mapping with ...
I am trying to run a simple operation where I have a table called insert_base and another table called insert_values (both with attributes a,b), and I ...
A table (phototag) consists of two foreign key columns (photoid, tagid). I want to get the most related photos based on their tags. There are 4 milli ...
I have a table that contain dynamic data. I need to split Details column with tab character and then convert into column (currently used split_string ...
I have a very simple table with five columns, Explain shows that MySQL is using the key tag_value when I run the below query, Is there any rea ...
Where does SQL Server get the Estimated Number of Rows when you have AUTO_CREATE_STATISTICS turned off? Here is an example: Setup experiment: Ple ...
I have a query that follows the following structure: In the query execution plan I see that a Clustered Index Scan on the Configuration table is be ...
What are some simple techniques/tools I can use to analyze code efficiency - and query efficiency for a simple REST service I have built in Spring Boo ...
The 2 tables below will pull a world of data from details_2 table but will join to the fields based on different reason coded in #exceptions table. I ...
Needless to say i am not proficient at SQL. Now i have to run a query on a table that looks like this : This table has 2 entries for each distinct ...
Consider we have A,B,C,D,E,F,G,H columns in my table and if I make composite indexing on column ABCDE because these column are coming in where clause ...
Laravel Version: 8.0 PHP Version: 7.3.0 Database Driver & Version: MySQL 5.7.34 Describe the Bug When I use paginate for pagination the ...
I am joining 3 tables with the same column, but the query is taking too long to complete. Besides date parameters, what can I do to make this more ef ...
I have two queries, one is the usual way one might write a paginated query And the next one uses an early SKIP AND LIMIT on the Event node Usi ...
I have a query, in which there are multiple sub queries on same table. I tried converting them to left join but that was taking more time than this qu ...
I have three tables A, B and C that must be joined. The columns in A are a1, a2, and a3. Columns in B include b1, b2, b3, b4 and b5. The colum ...
I have an Entry table with 6.5 billion records, when I try to search for a certain number of records for a specific type, most of the time it's done r ...
I have a mapping table that looks like there already exists two composite indexes group_id, item_id and item_id, group_id I'm finding that deletin ...
I am currently stuck in improving the performance of MySQL query. It takes 30 seconds to execute and we don't want users waiting that long for the bac ...