10
10
c_char CHAR(10) NOT NULL DEFAULT '',
11
11
INDEX(c_int), INDEX(c_decimal), INDEX(c_float),
12
12
INDEX(c_datetime), INDEX(c_timestamp),
14
14
INSERT INTO t1 (c_int) VALUES (1), (2), (3), (4), (5);
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21
EXPLAIN SELECT * FROM t1 WHERE c_int IN (1, 2, 3);
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22
id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range c_int c_int 4 NULL 3 Using where