Understanding the System Function FILEPROPERTY()
Learn how to use the system function, FILEPROPERTY(), to get information about your database in T-SQL.
2022-09-09
3,780 reads
system functions
Metadata Functions in SQL Server and Their Use Cases
Learn about various SQL Server system functions to return meta data from SQL Server such as SERVERPROPERTY, DATABASEPROPERTYEX, DB_NAME, DB_ID, FILE_NAME, FILE_ID, FILE_IDEX, SCHEMA_NAME, SCHEMA_ID, OBJECT_NAME, OBJECT_ID and STATS_DATE.
2022-09-05
Understanding the Metadata Function DATABASEPROPERTYEX()
Learn how to use the DatabasePropertyEX() function to query your database for settings.
2022-08-29
2,089 reads
SQL Server REPLACE
In this article we look at the SQL Server REPLACE function and show several examples of how this can be used to replace text values in strings.
2020-12-28
SQL Server System Functions: The Basics
Every SQL Server Database programmer needs to be familiar with the System Functions. These range from the sublime (such as @@rowcount or @@identity) to the ridiculous (IsNumeric()) Robert Sheldon provides an overview of the most commonly used of them.
2016-04-18
6,053 reads
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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;
GOWhat happens if you execute the following statements?
select STRING_AGG(field1, ';') within group (order by id) from t0;
select STRING_AGG(field2, ';') within group (order by id) from t0;