jsonTable(array)

generate a table from a literal array expression.

let arr = [  
  {ID: "a", Col1: "x"},  
  {ID: "b", Col2: "y"}  
]

let t = jsonTable(arr)

mergeTable(table1, table2..)

generate a new table by merging input tables

let t3 = mergeTable(t1, t2) // t3 is a new table with data from t1 followed by t2