Search using WHERE, AND, LIKE, OR Query Functions

1. Looking for an exact match in field1:
   SELECT * FROM table WHERE field1 = '$name'
2. Looking if the field1 contains the search word anywhere using LIKE and both '%%'
   SELECT * FROM table WHERE field1 LIKE '%$word%'
3. Looking if the field1 contains the value that begins with our word using LIKE and the last ' %'
   SELECT * FROM table WHERE field1 LIKE '$word%'
4. Looking if the field1 contains the value that ends with our word using LIKE and the first '% '
   SELECT * FROM table WHERE field1 LIKE '%$word'
5. Looking if our search word appears in both fields using AND
   SELECT * FROM table WHERE field1 LIKE '%$word%' AND field2 LIKE '%$word%'
6. Looking if our search word appears in any of the two fields using OR
   SELECT * FROM table WHERE field1 LIKE '%$word%' OR field2 LIKE '%$word%'
7. Looking if our word is in field1 OR in field2 AND field3 using Parentheses
   SELECT * FROM table WHERE field1 LIKE '%$word%' OR (field2 LIKE '%$word%' AND field2 LIKE '%$word%') ORDER BY id DESC