Note that if your server has already shut down, or is in the process of shutting down and its network name is no longer accessible, you can get other errors during the connection attempt that aren't generated by the server. Looking for this error is not a reliable...
With all of that explained, let’s look at an example of an exception object and see how the properties of the object may help you track down where the exception took place and how to fix it. It is important to note that not all exceptions come with built-in properties, only exceptions...
(15.x) introduces a new feature that is part of theIn-Memory Databasefeature family, Memory-optimized TempDB metadata, which effectively removes this bottleneck and unlocks a new level of scalability fortempdbheavy workloads. In SQL Server 2019 (15.x), the system tables involved in managing ...
The fact that you don't know you got the NO_DATA_FOUND exception suggests that you have made one of the biggest errors PL/SQL developers ever make: EXCEPTION -- Never do this in real code!!! WHEN OTHERS THEN NULL; END; Could you explain me what is the error in this statement and...
What is SQL, in the SQL Server, is a common question asked. This article is meant to answer that question, while providing some history and context.
(15.x) introduces a new feature that is part of theIn-Memory Databasefeature family, Memory-optimized TempDB metadata, which effectively removes this bottleneck and unlocks a new level of scalability fortempdbheavy workloads. In SQL Server 2019 (15.x), the system tables involved in managing ...
In SQL Server, what is the purpose of grouping stored procedures? Ask Question Asked 11 years, 10 months ago Modified 8 years, 4 months ago Viewed 5k times 35 One of the most perplexing issues with which I've had to deal has to do with Stored Procedure groups. Given a stored procedur...
A cursor in SQL is adatabaseobject that allows you to retrieve and manipulate data one row at a time. Cursors are typically used when performing operations on each result set row, such as updating or deleting. Cursors are similar to pointers in programming, allowing you to move through a ...
There are several types of SQL Injection attacks: in-band SQLi (using database errors or UNION commands), blind SQLi, and out-of-band SQLi. You can read more about them in the following articles: Types of SQL Injection (SQLi), Blind SQL Injection: What is it. To follow step-by-step...
As a result, the corresponding SQL query looks like this: SELECT ItemName, ItemDescription FROM Items WHERE ItemNumber = 999 OR 1=1 And since the statement 1 = 1 is always true, the query returns all of the product names and descriptions in the database, even those that you may not ...