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What is SYSNAME data type in SQL Server?
... is basically the same as using nvarchar(128) NOT NULL
EDIT
As mentioned by @Jim in the comments, I don't think there is really a business case where you would use sysname to be honest. It is mainly used by Microsoft when building the internal sys tables and stored procedures etc within SQL Serve...
Hibernate, @SequenceGenerator and allocationSize
...nate when using @SequenceGenerator - it increases real database sequence by one , multiple this value by 50 (default allocationSize value) - and then uses this value as entity ID.
...
Does MongoDB's $in clause guarantee order
...w the documents are retrieved. That of course will be the natural order or by the selected index order as shown.
If you need to preserve this order, then you basically have two options.
So let's say that you were matching on the values of _id in your documents with an array that is going to be pas...
When and why I should use session_regenerate_id()?
...rability in a system to fixate (set) the session ID (SID) of another user. By doing so, they will get complete access as the original user and be able to do tasks that would otherwise require authentication.
To prevent such attacks, assign the user a new session ID using session_regenerate_id() when...
LEFT JOIN only first row
...fa.feed_id = f.id
LEFT JOIN artists a ON fa.artist_id = a.artist_id
GROUP BY f.id
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Schema for a multilanguage database
...
This is an interesting issue, so let's necromance.
Let's start by the problems of method 1:
Problem: You're denormalizing to save speed.
In SQL (except PostGreSQL with hstore), you can't pass a parameter language, and say:
SELECT ['DESCRIPTION_' + @in_language] FROM T_Products
So y...
How to select the last record of a table in SQL?
...t we can do is something like
Sql Server
SELECT TOP 1 * FROM Table ORDER BY ID DESC
MySql
SELECT * FROM Table ORDER BY ID DESC LIMIT 1
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How to fetch the row count for all tables in a SQL SERVER database [duplicate]
...CT ''?'', COUNT(*) FROM ?'
SELECT table_name, row_count FROM #counts ORDER BY table_name, row_count DESC
DROP TABLE #counts
The output will be a list of tables and their row counts.
If you just want the total row count across the whole database, appending:
SELECT SUM(row_count) AS total_row_coun...
Do DOM tree elements with ids become global variables?
...es to clash with real properties of document.
IE made the situation worse by also adding named elements as properties of the window object. This is doubly bad in that now you have to avoid naming your elements after any member of either the document or the window object you (or any other library co...
How to delete duplicates on a MySQL table?
...ow for large tables. Wouldn't it be better to SELECT MAX(ID) FROM t GROUP BY unique and then JOIN to an exact match of ID to MAX(ID)?
– ebyrob
Nov 10 '16 at 16:31
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