How would I match a name, such that one of the middle letters of the name must come from the word ‘qwerty'(thus containing either of the letters ‘q’, ‘w’ , ‘e’, ‘r’, ‘t’,’y’)? I am curious how you can determine what the middle letters are, this would make use of some string count I assume. What I have tried so
Tag: pattern-matching
jsonb LIKE query on nested objects in an array
My JSON data looks like this: given a text “foo” I want to return all the tuples that have this substring. But I cannot figure out how to write the query for the same. I followed this related answer but cannot figure out how to do LIKE. This is what I have working right now: Instead of passing the whole
Get column names which do not match a particular ending string
I have a table with a structure like this: abc_col | abcd | ab_col | | | | Some column names end in _col and some do not. abc or ab or abcd are random column name …
How to use % operator from the extension pg_trgm?
I have my pg_trgm module installed. The schema set is extensions. To use it I have to run something like this select: I’m trying to run a statement using the % operator and got the following message. What is necessary to run % or <-> operators? Answer Most probably the problem is with the search_path setting. Run: Is the schema
Regex remove all occurrences of multiple characters in a string
In my PostgreSQL I want to replace all characters (;) occurrences in a string. My query: update table_name set text = regexp_replace(text, ‘/[(;)]+/g’, ”); I think my regexp is …
Text to List in SQL
Is there any way on how to convert a comma separated text value to a list so that I can use it with ‘IN’ in SQL? I used PostgreSQL for this one. Ex.: This query: produces ‘SG’,’PH’ I wanted to produce this query: Nothing returned when I executed the first query. The table has been filled with location values ‘SG’
Does PostgreSQL support “accent insensitive” collations?
In Microsoft SQL Server, it’s possible to specify an “accent insensitive” collation (for a database, table or column), which means that it’s possible for a query like to find a row with a Joao name. I know that it’s possible to strip accents from strings in PostgreSQL using the unaccent_string contrib function, but I’m wondering if PostgreSQL supports these “accent
What’s the R equivalent of SQL’s LIKE ‘description%’ statement?
Not sure how else to ask this but, I want to search for a term within several string elements. Here’s what my code looks like (but wrong): des is a vector that stores strings such as “Swinging Strike”, “In play (run(s))”, “In play (out(s) recorded)” and etc. What I want inplay to store is a 1s and 0s vector corresponding