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query returns empty records despite having equal values in all relational tables.

P: 1
My team has made an online restaurant database.
It has following entities:
customer, admin, carrier, kitchen, fooditems and order (associative entity)

Some queries return correct records but some of them return empty records.
For example,
Customer, carrier, order
admin, food items, carrier

Kindly help (we have a demo tomorrow)
1 Week Ago #1
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2 Replies

Expert 100+
P: 909
ask your team to fix this a.s.a.p (before tomorrow)
1 Week Ago #2

Expert Mod 10K+
P: 12,182
You've provided almost no information for us to go on... What is the SQL? What are the columns in the tables? What is some sample data?
1 Week Ago #3

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