2000-12-28 02:56:38 +01:00
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0=0 1>0 1>=1 1<0 1<=0 1!=0 strcmp("abc","abcd") strcmp("b","a") strcmp("a","a")
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1 1 1 0 0 1 -1 1 0
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"a"<"b" "a"<="b" "b">="a" "b">"a" "a"="A" "a"<>"b"
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1 1 1 1 1 1
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"a "="A" "A "="a" "a " <= "A b"
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1 1 1
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"abc" like "a%" "abc" not like "%d%" "a%" like "a\%" "abc%" like "a%\%" "abcd" like "a%b_%d" "a" like "%%a" "abcde" like "a%_e" "abc" like "abc%"
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1 1 1 1 1 1 1 1
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"a" like "%%b" "a" like "%%ab" "ab" like "a\%" "ab" like "_" "ab" like "ab_" "abc" like "%_d" "abc" like "abc%d"
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0 0 0 0 0 0 0
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'?' like '|%' '?' like '|%' ESCAPE '|' '%' like '|%' '%' like '|%' ESCAPE '|' '%' like '%'
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0 0 0 1 1
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'abc' like '%c' 'abcabc' like '%c' "ab" like "" "ab" like "a" "ab" like "ab"
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1 1 0 0 1
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"Det h<>r <20>r svenska" regexp "h[[:alpha:]]+r" "aba" regexp "^(a|b)*$"
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1 1
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"aba" regexp concat("^","a")
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1
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!0 NOT 0=1 !(0=0) 1 AND 1 1 && 0 0 OR 1 1 || NULL 1=1 or 1=1 and 1=0
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1 1 0 1 0 1 1 1
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IF(0,"ERROR","this") IF(1,"is","ERROR") IF(NULL,"ERROR","a") IF(1,2,3)|0 IF(1,2.0,3.0)+0
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this is a 2 2.0
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2 between 1 and 3 "monty" between "max" and "my" 2=2 and "monty" between "max" and "my" and 3=3
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1 1 1
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'b' between 'a' and 'c' 'B' between 'a' and 'c'
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1 1
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2 in (3,2,5,9,5,1) "monty" in ("david","monty","allan") 1.2 in (1.4,1.2,1.0)
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1 1 1
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-1.49 or -1.49 0.6 or 0.6
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1 1
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5 between 0 and 10 between 0 and 1 (5 between 0 and 10) between 0 and 1
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0 1
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1 and 2 between 2 and 10 2 between 2 and 10 and 1
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1 1
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1 and 0 or 2 2 or 1 and 0
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1 1
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2001-05-29 12:46:17 +02:00
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sum(if(num is null,0.00,num))
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144.54
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