Miscellaneous

SQLServerCentral Article

Reduce Database RoundTrips Using XML

  • Article

SQL Server 2000 added XML support to allow some basiuc manipulation of XML data. At the time, XML was a hot buzzword in the computer industry and there were lots of applications being written to use XML. While the buzz has cooled, Jon Winer still uses XML in some interesting ways to make his life easier and his applications more rebust. Here he brings us a technique he's used to reduce the number of round trips required by an application.

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2004-11-29

9,433 reads

Technical Article

Building a 24 x 7 Database

  • Article

Over the last few years, corporations have invested billions of dollars to integrate the automations of core business systems in large ERP applications. This paper looks at the risk of downtime and solutions for building an around-the-clock database.

2004-11-24

2,129 reads

Technical Article

Retrieving all indexes of the Database.

  • Script

The Script outputs all the indexes in the Database.I have used the sp_helpIndex system stored procedure here to retrieve all the indexes available for the Table . This is extremely useful in identifying all the indexes in a database in a single query

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2004-12-22 (first published: )

333 reads

Technical Article

Retreiving all the Table Information from SQL

  • Script

The Query will enable you to retrieve all the Tables in the Database .The Output of the Query will list all the User Tables along with the Column Names and the Sort order of the Columns .The Query will also return as to whether the Columns in the table are with allow null option or […]

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2006-07-06 (first published: )

438 reads

Technical Article

Build DATELOOKUP table

  • Script

This script creates a table named DATELOOKUP which is used for looking up date related values. Each record represents date related info about the date in the column dtDate. For example the iMonth column stores the integer value of the month of dtDate and sShortMonth stores the abbreviated name of that same month. Use this […]

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2004-12-13 (first published: )

219 reads

SQLServerCentral Article

All About Transactions - Part 1

  • Article

The heart of an RDBMS is the transaction system that it employs. SQL Server has a great one that can easily be misunderstood or misused by those that haven't spent time delving into the details of how it works. Don Peterson has done that and brings us the start of a new series on the details of how transactions work in SQL Server.

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2004-11-15

24,936 reads

Technical Article

Auto Fix Orphaned Users

  • Script

Add this procedure to the master database, it can then be executed from any DB to fix orphaned users (very useful when moving back to development). Using sp_msforeachdb with the proc allows you to resolve orphaned users in all databases in a single command: SP_MSFOREACHDB "USE ?; EXEC SP_AUTOFIX_USERS;"

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2004-12-15 (first published: )

2,887 reads

Technical Article

A different Weekdays Between test

  • Script

Recently, I answered a question by a person on Experts Exchange.com on how to find the # of weekdays between two dates. This question was simplified greatly by the fact that the dates given would always be from Monday to Friday, and so the calculations needed were very simple.Then, while looking at the recent scripts […]

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2004-11-22 (first published: )

135 reads

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Question of the Day

Fun with JSON I

I have some data in a table: 

CREATE TABLE #test_data
(
    id INT PRIMARY KEY,
    name VARCHAR(100),
    birth_date DATE
);

-- Step 2: Insert rows  
INSERT INTO #test_data
VALUES
(1, 'Olivia', '2025-01-05'),
(2, 'Emma', '2025-03-02'),
(3, 'Liam', '2025-11-15'),
(4, 'Noah', '2025-12-22');
If I run this query, how many rows are returned? 
SELECT *
FROM OPENJSON(
     (
         SELECT t.* FROM #test_data AS t FOR JSON PATH
     )
             ) t;

See possible answers