SQL Server

External Article

Benefits and Limitations of SCHEMABINDING Views in SQL Server

  • Article

The tip, Views in SQL Server, explored the purpose of views, creating views examples, and benefits of views. A view is a virtual table that references the actual database tables stored in the database. What if someone changes the underlying table structure, such as renaming the column, adding a new column, or dropping the table? What is the impact of changing schema on views? How can we stop any schema changes if the view references the schema?

2023-05-08

SQLServerCentral Article

Create an HTML Report on the Status of SQL Server Agent Jobs

  • Article

SQL Server jobs are an integral part of any SQL Server environment. These jobs run a predefined set of tasks and commands at specified intervals, ensuring the database is up-to-date and performing optimally. As a database administrator, it is essential to regularly monitor the status of SQL Server jobs. One way to do this is […]

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2023-05-03

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External Article

Use DDL Triggers to Automatically Keep SQL Server Views in Sync

  • Article

As much as we tell people to use SCHEMABINDING and avoid SELECT *, there is still a wide range of reasons people do not. A well-documented problem with SELECT * in views, specifically, is that the system caches the metadata about the view from the time the view was created, not when the view is queried. If the underlying table later changes, the view doesn't reflect the updated schema without refreshing, altering, or recreating the view. Wouldn't it be great if you could stop worrying about that scenario and have the system automatically keep the metadata in sync?

2023-04-17

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Question of the Day

STRING_AGG's behavior

Executing the following script (Sql Server 2022), you get the table t0 with 10 rows:
CREATE TABLE t0
( id     INT PRIMARY KEY
, field1 VARCHAR(1000)
, field2 VARCHAR(MAX));
INSERT INTO t0
SELECT
  gs.value
, REPLICATE ('X', 1000)
, REPLICATE ('Y', 1000)
FROM generate_series(1, 10, 1) gs;
GO
What happens if you execute the following statements?
  1. select STRING_AGG(field1, ';') within group (order by id)  from t0;
  2. select STRING_AGG(field2, ';') within group (order by id)  from t0;

See possible answers