1.VLOOKUP:
=VLOOKUP(B:B,TABLE_Test!B:C,2,0)
The first argument: "the search value." This is a so-called clues, key value. It is the value of the leftmost column in the second search parameter specifies the range. This example represents the current column B taken as a reference
second argument: "search." The range of values search in the leftmost column. It is used as a range owner. The key is to specify an entire column. In this example indicates there to take sheet B named TABLE_Test to two C as a search range of
the third parameter: "column number" If the search value is found in the left column of the search range, the specified cell in the right column, from the column reference cell in the right column. Example 2 represents the C columns
fourth argument: "the type of search." Is set to 0 indicates an exact match, set to 1 matching approximations.
2.CONCATENATE splicing
=CONCATENATE(A1,B1)