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Hibernate - Batch update returned unexpected row count from update: 0 actual row count: 0 expected:
..., try the following:
In your hibernate configuration, set hibernate.show_sql to true. This should show you the SQL that is executed and causes the problem.
Set the log levels for Spring and Hibernate to DEBUG, again this will give you a better idea as to which line causes the problem.
Create a uni...
Get top 1 row of each group
... And... What is Partition By? With is new to me also :( I'm using mssql 2005 anyway.
– dpp
Jul 27 '11 at 8:48
6
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How do you view ALL text from an ntext or nvarchar(max) in SSMS?
How do you view ALL text from an NTEXT or NVARCHAR(max) in SQL Server Management Studio? By default, it only seems to return the first few hundred characters (255?) but sometimes I just want a quick way of viewing the whole field, without having to write a program to do it. Even SSMS 2012 still has...
How to do a regular expression replace in MySQL?
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With MySQL 8.0+ you could use natively REGEXP_REPLACE function.
12.5.2 Regular Expressions:
REGEXP_REPLACE(expr, pat, repl[, pos[, occurrence[, match_type]]])
Replaces occurrences in the string expr that match the regular expressio...
How to get multiple counts with one SQL query?
... Thanks for this very elegant solution. Btw, this also works with TSQL.
– Annie Lagang
Sep 9 '16 at 0:52
7
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How to generate .json file with PHP?
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Here is a sample code:
<?php
$sql="select * from Posts limit 20";
$response = array();
$posts = array();
$result=mysql_query($sql);
while($row=mysql_fetch_array($result)) {
$title=$row['title'];
$url=$row['url'];
$posts[] = array('title'=> ...
How do you deploy your ASP.NET applications to live servers?
...base
For keeping databases in sync I use http://www.red-gate.com/products/sql-development/sql-compare/
If server is behind bunch of routers and you can't directly connect (which is requirement of SQL Compare), use https://secure.logmein.com/products/hamachi2/ to create VPN.
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Multiple “order by” in LINQ
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The only downside to using the SQL syntax for Linq is that not all of the functions are supported, most but not all
– Joshua G
Jul 19 '15 at 19:09
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The SQL OVER() clause - when and why is it useful?
...uck 2005 Green
5678ASDF Ford Mustang 2008 Yellow
Run below SQL
SELECT VIN,
MAKE,
MODEL,
YEAR,
COLOR ,
COUNT(*) OVER (PARTITION BY YEAR) AS COUNT2
FROM DIM_EQUIPMENT
The result would be as below
VIN MAKE MODEL YEAR COLOR COUNT2
----------------------...
MySQL - force not to use cache for testing speed of query
I'm testing the speed of some queries in MySQL. The database is caching these queries making it difficult for me to get reliable results when testing how fast these queries are.
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