Join Types Index
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Join Types Index
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A
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ALL
Section 8.2.1.20, “Avoiding Full Table Scans”
Section 8.2.1.11, “Block Nested-Loop and Batched Key Access Joins”
Section 8.8.2, “EXPLAIN Output Format”
Section 8.2.1.6, “Nested-Loop Join Algorithms”
C
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const
Section 8.8.2, “EXPLAIN Output Format”
Section 8.8.3, “Extended EXPLAIN Output Format”
Section 21.3.3.9.2, “NDB Cluster System Variables”
Section 8.2.1.14, “ORDER BY Optimization”
Section 8.2.1.2, “Range Optimization”
Section 13.2.9, “SELECT Statement”
E
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eq_ref
Section 8.2.1.11, “Block Nested-Loop and Batched Key Access Joins”
Section 8.8.2, “EXPLAIN Output Format”
Section 8.2.1.5, “Index Condition Pushdown Optimization”
Section 15.7.1, “MERGE Table Advantages and Disadvantages”
Section 21.3.3.9.2, “NDB Cluster System Variables”
Section 8.2.2.3, “Optimizing Subqueries with the EXISTS Strategy”
Section 25.12.4.1, “The events_waits_current Table”
F
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fulltext
Section 8.8.2, “EXPLAIN Output Format”
I
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index
Section 8.2.1.11, “Block Nested-Loop and Batched Key Access Joins”
Section 8.8.2, “EXPLAIN Output Format”
Section 8.2.1.6, “Nested-Loop Join Algorithms”
index_merge
Section 8.8.2, “EXPLAIN Output Format”
Section 8.2.1.3, “Index Merge Optimization”
index_subquery
Section 8.8.2, “EXPLAIN Output Format”
Section 13.2.10.10, “Optimizing Subqueries”
Section 8.2.2.3, “Optimizing Subqueries with the EXISTS Strategy”
R
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range
Section 8.2.1.11, “Block Nested-Loop and Batched Key Access Joins”
Section 8.8.2, “EXPLAIN Output Format”
Section 8.2.1.15, “GROUP BY Optimization”
Section 8.2.1.5, “Index Condition Pushdown Optimization”
Section 8.2.1.3, “Index Merge Optimization”
Section 8.2.1.6, “Nested-Loop Join Algorithms”
Section 8.2.1.2, “Range Optimization”
ref
Section 8.2.1.11, “Block Nested-Loop and Batched Key Access Joins”
Section 8.8.2, “EXPLAIN Output Format”
Section 8.8.3, “Extended EXPLAIN Output Format”
Section 8.2.1.5, “Index Condition Pushdown Optimization”
Section 8.3.7, “InnoDB and MyISAM Index Statistics Collection”
Section 15.7.1, “MERGE Table Advantages and Disadvantages”
Section 21.3.3.9.2, “NDB Cluster System Variables”
Section 8.2.2.4, “Optimizing Derived Tables and View References with Merging or Materialization”
Section 8.2.2.3, “Optimizing Subqueries with the EXISTS Strategy”
ref_or_null
Section 8.8.2, “EXPLAIN Output Format”
Section 8.2.1.5, “Index Condition Pushdown Optimization”
Section 8.2.1.13, “IS NULL Optimization”
Section 8.2.2.3, “Optimizing Subqueries with the EXISTS Strategy”
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system
Section 8.8.2, “EXPLAIN Output Format”
Section 8.8.3, “Extended EXPLAIN Output Format”
Section 8.2.1.2, “Range Optimization”
Section 13.2.9, “SELECT Statement”
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unique_subquery
Section 8.8.2, “EXPLAIN Output Format”
Section 13.2.10.10, “Optimizing Subqueries”
Section 8.2.2.3, “Optimizing Subqueries with the EXISTS Strategy”