Technical Article

Copy rows generator

This stored procedure is created from the need to copy rows from a table with new value. The script itself will create stored procedure proc_copyrows.The parameters are@TableName: the table name@FilterField: filter field, default is null, means no filter@SourceValue: the value of filter field from source data to be copied@DestinationValue: the new value of filter field@SourceDB: […]

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2004-02-13

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Technical Article

XSD Generator

This script will generate a stored procedure named procCreateXSD. Run this script to create the SP.The purpose of this SP is to generate the XSD from selected tables we passed to the script. It accepts the Dataset name, URI, and the list of the tables to be included.For example:exec proccreateXSD 'NorthwindDataset', 'http://www.tempuri.org/', 'Customers,Orders,Products'Be aware that […]

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2004-01-08

328 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;
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;

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