Scalar functions for manipulating strings
ascii
bit_length
btrim
char_length
character_length
concat
concat_ws
chr
ends_with
initcap
instr
left
length
lower
lpad
ltrim
octet_length
repeat
replace
reverse
right
rpad
rtrim
split_part
starts_with
strpos
substr
translate
to_hex
trim
upper
uuid
overlay
overlay('Txxxxas' placing 'hom' from 2 for 4) → Thomas
levenshtein
levenshtein('kitten', 'sitting') = 3
substr_index
substr_index('www.apache.org', '.', 1) = www
, substr_index('www.apache.org', '.', -1) = org
find_in_set
find_in_set('b', 'a,b,c,d') = 2