Join Types Index

A | C | E | F | I | R | S | U

A

[index top]

ALL

Section 8.3.1.8, “Nested-Loop Join Algorithms”

C

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const

Section 8.2.3, “EXPLAIN EXTENDED Output Format”
Section 8.2.2, “EXPLAIN Output Format”
Section 8.3.1.11, “ORDER BY Optimization”
Section 13.2.8, “SELECT Syntax”
Section 8.3.1.3.1, “The Range Access Method for Single-Part Indexes”

E

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eq_ref

Section 8.2.2, “EXPLAIN Output Format”
Section 14.3.1, “MERGE Table Advantages and Disadvantages”
Section 8.3.1.14, “Optimizing Subqueries with EXISTS Strategy”

F

[index top]

fulltext

Section 8.2.2, “EXPLAIN Output Format”

I

[index top]

index

Section 8.2.2, “EXPLAIN Output Format”
Section 8.3.1.8, “Nested-Loop Join Algorithms”

index_merge

Section 8.2.2, “EXPLAIN Output Format”
Section 8.3.1.4, “Index Merge Optimization”

index_subquery

Section 8.2.2, “EXPLAIN Output Format”
Section 13.2.9.10, “Optimizing Subqueries”
Section 8.3.1.14, “Optimizing Subqueries with EXISTS Strategy”

R

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range

Section 8.2.2, “EXPLAIN Output Format”
Section 8.3.1.4, “Index Merge Optimization”
Section 8.3.1.12.1, “Loose Index Scan”
Section 8.3.1.8, “Nested-Loop Join Algorithms”
Section 8.3.1.3, “Range Optimization”
Section 8.3.1.3.1, “The Range Access Method for Single-Part Indexes”

ref

Section 8.2.3, “EXPLAIN EXTENDED Output Format”
Section 8.2.2, “EXPLAIN Output Format”
Section 14.3.1, “MERGE Table Advantages and Disadvantages”
Section 8.5.4, “MyISAM Index Statistics Collection”
Section 8.3.1.14, “Optimizing Subqueries with EXISTS Strategy”

ref_or_null

Section 8.2.2, “EXPLAIN Output Format”
Section 8.3.1.6, “IS NULL Optimization”
Section 8.3.1.14, “Optimizing Subqueries with EXISTS Strategy”

S

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system

Section 8.2.3, “EXPLAIN EXTENDED Output Format”
Section 8.2.2, “EXPLAIN Output Format”
Section 13.2.8, “SELECT Syntax”
Section 17.5.7.1, “MySQL Cluster: Messages in the Cluster Log”
Section 8.3.1.3.1, “The Range Access Method for Single-Part Indexes”

U

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unique_subquery

Section 8.2.2, “EXPLAIN Output Format”
Section 13.2.9.10, “Optimizing Subqueries”
Section 8.3.1.14, “Optimizing Subqueries with EXISTS Strategy”