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Delete all Duplicate Rows except for One in MySQL? [duplicate]
...te.
INSERT INTO tempTableName(cellId,attributeId,entityRowId,value)
SELECT DISTINCT cellId,attributeId,entityRowId,value
FROM tableName;
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Search of table names
...
I'm using this and works fine
SELECT * FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_NAME LIKE '%%'
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How to make a query with group_concat in sql server [duplicate]
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Query:
SELECT
m.maskid
, m.maskname
, m.schoolid
, s.schoolname
, maskdetail = STUFF((
SELECT ',' + md.maskdetail
FROM dbo.maskdetails md
WHERE m.maskid = md.maskid
FOR X...
Good ways to manage a changelog using git?
...te a GNU-style ChangeLog.
As shown by gitlog-to-changelog --help, you may select the commits used to generate a ChangeLog file using either the option --since:
gitlog-to-changelog --since=2008-01-01 > ChangeLog
or by passing additional arguments after --, which will be passed to git-log (call...
Oracle SQL Query for listing all Schemas in a DB
...
Using sqlplus
sqlplus / as sysdba
run:
SELECT *
FROM dba_users
Should you only want the usernames do the following:
SELECT username
FROM dba_users
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I want to get the type of a variable at runtime
... case _: B => "A is a B"
case _ => "A is not a B"
}
f(x, y) // A (Char) is not a B (Int)
f(x, z) // A (Char) is a B (Any)
Here I'm using the context bounds syntax, B : ClassTag, which works just like the implicit parameter in the previous ClassTag example, but uses an anonymous variable.
...
How to compare binary files to check if they are the same?
...converted to hex first. It shows hex values for things which aren't in the char set, otherwise normal chars, which is useful with binary files that also contain some ascii text. Many do, at least begin with a magic string.
– Felix Dombek
Jul 12 '19 at 11:20
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Determining 32 vs 64 bit in C++
...lt;sizeof(size_t)>(); }
int main()
{
// appropriate function will be selected at compile time
DoMyOperation();
return 0;
}
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Node.js: printing to console without a trailing newline?
... console.log was printing \n literally when I wanted it to print a newline character.
– Paul
Feb 3 '14 at 16:59
@Paulp...
What is the difference between single and double quotes in SQL?
...ould be more readable as product_id, so you use either of the following:
SELECT PRODUCT.id AS product_id
SELECT PRODUCT.id 'product_id'
Either works in Oracle, SQL Server, MySQL… but I know some have said that the TOAD IDE seems to give some grief when using the single quotes approach.
You do...