I l @ ve RuBoard |
Some of the included PostgreSQL functions do not fall neatly into a specific category. This section outlines one example of this type of function. ARRAY_DIMSDescriptionThe ARRAY_DIMS function returns the number of elements stored in an array field. InputARRAY_DIMS ( col ) ExampleSELECT ARRAY_DIMS(testscore) FROM students; array_dims ---------- [1:4] |
I l @ ve RuBoard |