SQL : MySQL performance differences between a different "FROM" operator usage

SQL : MySQL performance differences between a different "FROM" operator usage

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OR vs UNION ALL - is one better for performance?
OR vs UNION ALL - is one better for performance?
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OR vs UNION ALL - is one better for performance?

OR vs UNION ALL - is one better for performance?
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Are SQL joins bad for performance?
AND & OR Operators in MySQL: Advanced Querying Techniques

AND & OR Operators in MySQL: Advanced Querying Techniques
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A Comprehensive Guide to MySQL DateTime Comparison
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HOW TO USE Comparison Operator [Greater than equal to ] IN MYSQL: PART-18
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Databases: Understanding the use of bitwise operators in MySQL?
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HOW TO USE Comparison Operator [Less than equal to ]IN MYSQL: PART-19
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Sargable vs Non Sargable Query in SQL server - Part 1
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HOW TO USE Comparison Operator [Equal to (=)] IN MYSQL: PART-15
Performance difference between Count(*) and Count(1)

Performance difference between Count(*) and Count(1)
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HOW TO USE Comparison Operator [ Less than ] IN MYSQL: PART-17
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HOW TO USE LIKE OPERATORS WITH (OR OPERATOR) IN MYSQL.PART -70
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Confirming Query Optimization In SQL | EXPLAIN And EXPLAIN ANALYZE | Understanding SQL Performance
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HOW TO USE Comparison Operator Greater than IN MYSQL: PART-16
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Section 18: MySQL Between Operator
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HOW TO USE BETWEEN Operator Numerical Value IN MYSQL: PART -21
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HOW TO USE Logical Operators (AND) OR (or) IN MYSQL: PART-29
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HOW TO USE IN OPERATORS. IN MYSQL.PART- 77
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HOW TO USE LOGICAL OPERATOR EXISTS IN MYSQL.PART -111