[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?
What does fragmentation mean? How does it happen? Can you fix it with fill factor? Should you rebuild your indexes to fix it?
The schedule at a glance is now available. Get ready for a week of learning and connecting at the data community homecoming. LAST chance to benefit from Late Bird prices for online and in-person passes.
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 use of messaging dominates communication for Steve. Can you say the same thing?
In this tip we look at the impact of running SQL Server processes in smaller batches instead of one large operation.
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.
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.
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.
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.
In this article, we look at how to set up Transparent Data Encryption for SQL Server and Oracle along with the differences and similarities.
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I have a database, DNRTest, that has a number of tables and other objects in it. The other day, I was trying to mock up a test and ran this code on the same server:
-- run yesterday CREATE DATABASE DNRTest2 GO USE DNRTest2 GO CREATE TABLE NewTable (id INT) GOToday, I realize that I need a copy of DNRTest for another mockup, and I run this:
-- run today USE Master BACKUP DATABASE DNRTest TO DISK = 'dnrtest.bak' GO RESTORE DATABASE DNRTest2 FROM DISK = 'dnrtest.bak' WITH REPLACEWhat happens? See possible answers