When is comes to SQL and a series of AND and OR directives in the WHERE clause, the order of operations can be confusing. I am not sure.
Knowing the bits and bytes of an SQL query's order of operations can be very valuable, as it can ease the process of writing new queries, while.
When a complex expression has multiple operators, operator precedence determines the sequence of operations. The order of execution can.
Briefly, though, PEMDAS is used to signify the order of operations being Parenthesis (or brackets), Exponents (or roots which can be expressed.
When executing SQL queries, it is important to understand and manage the order in which clauses are evaluated so you can produce the results you expect.
I believe the answer is 9 as I follow PEMDAS Order of Operation. PEMDAS stands for Reference: Pinal Dave (thel3l.me).
MS SQL Query Execution Order or SQL order of operations determines the sequence in which SQL clauses are executed by database engine. This helps in .
SELECT pk, key_part1, key_part2 FROM t1 ORDER BY key_part1, key_part2; . To obtain memory for filesort operations, as of MySQL , the optimizer.