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What are the possible values of the Hibernate hbm2ddl.auto configuration and what do they do
...the default is to make no database changes. Instead, we manually create an SQL DDL update script that applies changes from one version to the next.
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MySQL select with CONCAT condition
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FROM
users
HAVING firstlast = "Bob Michael Jones"
Here is a working SQL Fiddle.
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What is this date format? 2011-08-12T20:17:46.384Z
...er compliant with JDBC 4.2 or later. No need for strings, no need for java.sql.* classes. Hibernate 5 & JPA 2.2 support java.time.
Where to obtain the java.time classes?
Java SE 8, Java SE 9, Java SE 10, Java SE 11, and later - Part of the standard Java API with a bundled implementation.
Java...
What is the difference between join and merge in Pandas?
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To put it analogously to SQL "Pandas merge is to outer/inner join and Pandas join is to natural join". Hence when you use merge in pandas, you want to specify which kind of sqlish join you want to use whereas when you use pandas join, you really want...
What is the difference between integration testing and functional testing? [closed]
...est written against a single class, integration tests to be nunit tests or sql script tests that required more than class, or a database, or another system (usually requiring a full install) and functional tests are the test that QA runs or automated UI testing.
– aceinthehole
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Create a list from two object lists with linq
...dvantage is also that if you use Entity Framework, this can be done on the SQL side instead of the C# side.
– J4N
Aug 21 '13 at 7:52
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PowerShell and the -contains operator
...hers, and set automatic variables to use with captures.
-like, -ilike are SQL-like matchers.
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Nullable Foreign Key bad practice?
...ne, comparatively to other null phenomenons) is the fact that WHERE x=y in SQL actually means WHERE x is not null and y is not null and x=y, but that most programmers simply aren't aware of that fact and just read over it. Sometimes without any harm, other times not.
In fact, nullable columns viol...
Logging best practices [closed]
... of choice).
Sometimes having the option to insert logging statements into SQL queries can be a lifesaver in debugging situations. Such as:
-- Invoking Class: com.foocorp.foopackage.FooClass:9021
SELECT * FROM foo;
You want class-level logging. You normally don't want static instances of...
How can I convert uppercase letters to lowercase in Notepad++
...rk for me (Notepad++ v6.2.3 on Windows 7). Only the Ctrl+Shift+U/Ctrl+U or SQL_Novice's answer work.
– CarLaTeX
Jan 4 '19 at 15:07
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