大约有 531 项符合查询结果（耗时：0.0158秒） [XML]
'IF' in 'SELECT' statement - choose output value based on column values
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SELECT id, amount
FROM report
WHERE type='P'
UNION
SELECT id, (amount * -1) AS amount
FROM report
WHERE type = 'N'
ORDER BY id;
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CSS “and” and “or”
...e expression, it becomes just ".registration_form_right input" because the union of the two selectors includes all inputs.
– geofflee
May 9 '10 at 9:41
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What is the most ridiculous pessimization you've seen? [closed]
...'s "too big".
Create an archive table for retired records, but continue to UNION it with the production table.
Duplicate entire databases by (division/customer/product/etc.)
Resist adding columns to an index because it makes it too big.
Create lots of summary tables because recalculating from raw da...
UIButton: set image for selected-highlighted state
...dAfterBeingSelectedImage"),
for: UIControlState.selected.union(.highlighted))
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Correct format specifier to print pointer or address?
...e representation and alignment requirements as each other. All pointers to union types shall have the same representation and alignment requirements as each other. Pointers to other types need not have the same representation or alignment requirements.
39) The same representation and alignment ...
How to convert number to words in java
...venty", "eighty", "ninety"
};
static private final String UNION_SEPARATOR = "-";
private UnitProcessor unitProcessor = new UnitProcessor();
@Override
public String getName(String value) {
StringBuilder buffer = new StringBuilder();
b...
How to get sp_executesql result into a variable?
...))
INSERT into @tab EXECUTE sp_executesql N'
SELECT 1 AS col1, 2 AS col2
UNION ALL
SELECT 1 AS col1, 2 AS col2
UNION ALL
SELECT 1 AS col1, 2 AS col2'
SELECT * FROM @tab
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Merge and interleave two arrays in Ruby
...e a, you can write a | b and assign the result to a variable.
See the set union documentation for the Array class at http://www.ruby-doc.org/core/classes/Array.html#M000275.
This answer assumes that you don't want duplicate array elements. If you want to allow duplicate elements in your final arra...
Best way to select random rows PostgreSQL
...ner
) r
JOIN big b USING (id) -- eliminate miss
UNION -- eliminate dupe
SELECT b.*
FROM (
SELECT 1 + trunc(random() * 5100000)::int AS id
FROM random_pick r -- plus 3 percent - adapt to your needs
LIMIT ...
How do I change db schema to dbo
...t answer...
I added an exec to have this code self-execute, and I added a union at the top so that I could change the schema of both tables AND stored procedures:
DECLARE cursore CURSOR FOR
select specific_schema as 'schema', specific_name AS 'name'
FROM INFORMATION_SCHEMA.routines
WHERE specif...