Sweet Data Story
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SQL TUNER for PostgreSQL · 기본원리편
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학습 자료
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Chapter 02 실행계획
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2-1. 실행계획
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2-1-1. EXPLAIN
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2-1-1. EXPLAIN
-- [SQL-2-1-1-a]
EXPLAIN
SELECT
t1
.
*
FROM
startdbpg
.
tr_ord t1
WHERE
t1
.
ord_no
=
3
;
SQL
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