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What's the difference between TRUNCATE and DELETE in SQL
... table, and you're really sure that you want to do it, and you do not have foreign keys against the tables, then a TRUNCATE is probably going to be faster than a DELETE.
Various system-specific issues have to be considered, as detailed below.
Statement type
Delete is DML, Truncate is DDL (What ...
T-SQL split string
...
I've used this SQL before which may work for you:-
CREATE FUNCTION dbo.splitstring ( @stringToSplit VARCHAR(MAX) )
RETURNS
@returnList TABLE ([Name] [nvarchar] (500))
AS
BEGIN
DECLARE @name NVARCHAR(255)
DECLARE @pos INT
WHILE CHARINDEX(',...
How do I import .sql files into SQLite 3?
...e3 < db.sql. You'll need to make sure that your files contain valid SQL for SQLite.
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Android: alternate layout xml for landscape mode
How can I have one layout for landscape and one for portrait? I want to assume extra width and conserve vertical space when the user rotates the phone over sideways.
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Single TextView with multiple colored text
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yes, if you format the String with html's font-color property then pass it to the method Html.fromHtml(your text here)
String text = "<font color=#cc0029>First Color</font> <font color=#ffcc00>Second Color</font>...
How to use radio on change event?
...fer' ) {
console.log('value', 'transfer');
}
}
Array.prototype.forEach.call(radios, function(radio) {
radio.addEventListener('change', changeHandler);
});
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What does passport.session() middleware do?
... enabling session support is entirely optional, though it is
recommended for most applications. If enabled, be sure to use
express.session() before passport.session() to ensure that the login
session is restored in the correct order.
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Role/Purpose of ContextLoaderListener in Spring?
...why I am asking because application live since 7-8 months. web.xml is here for your reference.
– Amogh
Apr 10 '17 at 15:04
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MySQL Cannot drop index needed in a foreign key constraint
...rent index but keep getting the error MySQL Cannot drop index needed in a foreign key constraint
8 Answers
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How can a LEFT OUTER JOIN return more records than exist in the left table?
...OUTER JOIN to return all results from the left table and some additional information from a much bigger table. The left table contains 4935 records yet when I LEFT OUTER JOIN it to an additional table the record count is significantly larger.
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