number(10 2) in sql means
-- Precision of 10 and a scale of 2
SELECT CONVERT(DECIMAL(10, 2), col_name)
SELECT CONVERT(DECIMAL(10, 2), 2.999999) -- 3.00
SELECT CONVERT(DECIMAL(10, 2), 12352.334) -- 12352.33
SELECT CONVERT(DECIMAL(10, 2), 12564258524132.336) -- Error: data truncationwhat is 1=2 in sql
This type of command is usually used to copy the structure of one table
to another. In this case, EMPL_DEMO will have the same column structure
of employees , except for the keys or constraints. The 1=2 always
evaluates to False which prevents you from copying any of the rows.Copyright © 2021 Codeinu
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