[Video] Fragmentation Explained in 20 Minutes at SQLBits
What does fragmentation mean? How does it happen? Can you fix it with fill factor? Should you rebuild your indexes to fix it?
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PostgreSQL Triggers Part 2
Article Overview In this article, we will learn how to drop, alter, enable, and disable a PostgreSQL trigger. In the 1st part of this series, we got an overall view of database triggers, PostgreSQL-specific triggers, types of PostgreSQL triggers, and how to create a trigger with basic syntax and examples. If you haven't read it […]
The Communication Channels at Work
The use of messaging dominates communication for Steve. Can you say the same thing?
Optimize Large SQL Server Insert, Update and Delete Processes by Using Batches
In this tip we look at the impact of running SQL Server processes in smaller batches instead of one large operation.
Query processing architecture guide
he SQL Server Database Engine processes queries on various data storage architectures such as local tables, partitioned tables, and tables distributed across multiple servers. The following sections cover how SQL Server processes queries and optimizes query reuse through execution plan caching.
Custom SQL Server on RDS
SQL Server on RDS has a more configurable option that allows you to meet the specific requirements of your application in a similar was as you would on-premises, while still being a managed service.
Stairway to SQL Server Security Level 5: Schemas and Security
In this stairway level you’ll learn how you can give principals access to groups of objects by assigning permissions on schemas instead of individual tables, code modules, and other objects. You’ll also learn about the benefits of user-schema separation and how it can increase object security, and how using default schemas for users and groups can simplify object access management and security.
Data Governance: Joining the Dots
Every organization must perform data governance. This requires planning, oversight, and control over the management, security, resilience and quality of data and over the use of data by the organization. In larger organizations, it can be a complex task. William Brewer explains what's involved.
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An Unusual Identity
Comments posted to this topic are about the item An Unusual Identity
Question of the Day
An Unusual Identity
What values are returned when I run this code?
CREATE TABLE dbo.IdentityTest2
(
id NUMERIC(10,0) IDENTITY(10,10) PRIMARY KEY,
somevalue VARCHAR(20)
)
GO
INSERT dbo.IdentityTest2
(
somevalue
)
VALUES
( 'Steve')
, ('Bill')
GO
SELECT top 10
id
FROM dbo.IdentityTest2 See possible answers