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i am new to database querying so apologies for this rudimentary query question. thank you in advance.

table called "neuron"  
columns in "neuron" called "neuron_id", "neuron_name" + others (not relevant here)

neuron_id is unique identifier for each neuron_name;
say there are 5 entries, thus
neuron_id = 1,2,3,4,5 and corresponding
neuron_name = a,b,c,d,e

i would like to generate a list that contains neuron_id for select neuron_name. the following query does not work for me.

select neuron_id, neuron_name  
from neuron  
where neuron_name = "a" or "c" or "e"

i expect the following


but the above query only spits out

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WHERE neuron_name IN ('a', 'c', 'e') – ypercube Feb 12 '14 at 15:03
thank you Max for the format edits. – rsp Feb 13 '14 at 16:52

2 Answers 2

Try this:

select neuron_id, neuron_name  
from neuron  
where neuron_name = "a" or neuron_name = "c" or neuron_name = "e"


The solution from ypercube is more semantically correct.

select neuron_id, neuron_name  
from neuron  
where neuron_name IN ('a', 'c', 'e')
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thank you. this worked! – rsp Feb 13 '14 at 16:54

Copy and modify this.

select * from seq_region where (name = 'MtDNA' or name = 'IV');

We're both biologists! HTH, Paul...
(first solution possibly more elegant, but with OR you can add other fields - YMMV)

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