SQL: How to create result as shown below -



SQL: How to create result as shown below -

i facing issue below case:

i/p table:

column_1 column_2 b b c c d d

cross bring together give me below result

actual o/p value: aa ab--this combinati on repeated ac advertisement ba--this combination repeated bb bc bd ca cb cc cd da db dc dd

expected op:

aa ab ac advertisement bb bc bd cc cd dd

i dont want combinations repeated: ab , ba.

add status requiring sec value greater or equal first:

.... (column_2 >= column_1)

sql

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