SQL

sql and

/* AND is a operator that allows you to combine two conditions
Both conditions must be true for the row to b e included in the result set */
SELECT column_name(s)
FROM table_name
WHERE column_1 = value_1
AND column_2 = value_2;

SQL AND Operator

SELECT first_name, last_name
FROM Customers
WHERE country = 'USA' AND last_name = 'Doe';

sql and

Used to join separate conditions within a WHERE clause.
Example: Returns events located in London, United Kingdom
SELECT * FROM events
WHERE host_country='United Kingdom' AND host_
city='London';

sql and or

AND (
  f.termination_date IS NULL
  OR 
  f.termination_date > CURRENT_DATE
)