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Is there anyway to test the function in SQL?

I have following problem. I’ve made an function which checks dates, warehouse if it’s full, etc.. Here is the code and I’ve added comments so it is more clear and understanble: So basically if I run only the function I don’t get any error. But when I run it with the test date I get fol…

How to find duplicate entries in the table

I am trying to find duplicate entries in the table but if I use Code only in the script then it will give me the duplicate entries in the table. But I want to get all the information from the table …

UPDATE VALUES OF COLUMN IN POSTGRESQL

I have 4 tables: what i want is to update table1 with the salary values from matchsal table with conditions in the others tables, i tried this query: and i got this error: ERROR: more than one row returned by a subquery used as an expression SQL state: 21000 Answer I found the answer ^^” It is simple th…

MySQL: Extract Select in “Module”

Assuming the following SQL statement: The there a way to modularize the statement, for instance, extract the second select statement in a file and call this file instead of writing the whole query? Answer I found a way to reuse SQL. Its possible via SQL-Functions and SQL-Procedures