sql - case statement with expression throws error -

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this question has answer here:

i trying execute below statement in oracle, throws error. kindly help.

select a.phone_number,  case a.phone_number when '2262070200' '2262070200' when a.phone_number = '2262070201' or a.phone_number = '2262070202' '2nd' end temp_a a;

error :

ora-00905: missing keyword

data in temp_a

2262070200 2262070201 2262070202 2262070203 2262070204 2262070205 2262070206 2262070223 2262070224 2262070225

your query should this

select a.phone_number,  case  when a.phone_number = '2262070200' '2262070200' when a.phone_number = '2262070201' or a.phone_number = '2262070202' '2nd' end temp_a a;

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