array_dims(ARRAY[1,2] || ARRAY[[3,4],[5,6]]) : Concatenate Array « Array « PostgreSQL






array_dims(ARRAY[1,2] || ARRAY[[3,4],[5,6]])







postgres=# SELECT array_dims(ARRAY[1,2] || ARRAY[[3,4],[5,6]]);
 array_dims
------------
 [0:2][1:2]
(1 row)

postgres=#





           
       








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1.Concatenate two arrays
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4.array_dims(ARRAY[1,2] || 3)
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