How can I add text to SQL Column

Question

I want to update 1 column in SQL Table. Example: Current value in column is like this

2013/09/pizzalover.jpg 
2013/10/pasta.jpg       

Now i wa

Answer 1

OP doesn't specify which DBMS they are using. The following is for Postgres to update a text column by adding a prefix to it (tested with PostgreSQL v11):

UPDATE my_table 
SET column_1  = 'start_text_' || column_1
WHERE column_1 LIKE 'prefix_%'
;