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Data Everywhere - Level 3 in the Stairway to Reporting Services

Jessica M. Moss from SQLServerCentral.com

In this article, MVP Jessica Moss talks about data sources and how to connect them to your report. Learn how to add the reusable data sets and data sources for your reporting projects. More »

Working With Multi-Select Parameters for SSRS Reports

Additional Articles from MSSQLTips.com

Multi-select parameters give your users control over their reports while reducing the number of reports they have to work with. This example demonstrates how to create a multi-select parameter list and pass the values to a stored procedure that will then populate the report. More »

From the SQLServerCentral Blogs - Example of SQL Server table partitioning

kleegeek from SQLServerCentral.com

Recently, one of my favorite customers asked me some very thought-provoking questions about using database partitioning to move transactional data around. Their... More »

Over the holidays I had a chat with my son about computers. His laptop died, and he wanted a new one. It isn't needed for school and my wife and told him he'd need to earn the money for half of a machine and could take the rest from his savings. I'm happy to say that he has been working hard to earn money, out in the 10-20F temps caring for horses, and is getting close to making his first computer purchase.

In setting his target amount of money to earn, we talked about specifications for various machines, looking online and in local stores. We talked about the various CPU, RAM, and storage values, and what they might mean to him in terms of the performance of a laptop. While we were talking, he asked me some interesting questions about the growth of storage. I thought they were interesting, and decided to ask you this week what you think.

When will we get 1TB of RAM in a mainstream laptop, and when will we get 100TB of storage?

Those are large numbers, though I know some DBAs who have one, or even two, terabytes of RAM in large servers. My first thought was that we were a long time from getting those values in consumer machines, but as I look at my phone with 64GB of storage in flash, and this recent announcement of a 2TB SSD, perhaps they aren't as far away as I might have thought.

My first professional computer had 4MB of RAM and 200MB-ish hard drive in the early 90s. Today I have a desktop with 24GB of RAM and 2TB of storage. Extrapolating that and I'd expect that I'd have over 1TB of RAM and 20PB of disk in 20 more years.

What do you think? When will we have laptop machines with the specifications of the largest SQL Server instances today?

Steve Jones from SQLServerCentral.com

» Join the debate, and respond to today's editorial on the forums

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Today's Question:

How many row(s) are affected by the following code in the estimated execution plan?

Begin Transaction
   SET QUOTED_IDENTIFIER ON;
   SET ARITHABORT ON;
   SET NUMERIC_ROUNDABORT OFF;
   SET CONCAT_NULL_YIELDS_NULL ON;
   SET ANSI_NULLS ON;
   SET ANSI_PADDING ON;
   SET ANSI_WARNINGS ON;
COMMIT

Note: I only tested this in SQL Server 2008 SP3

By Dave

Think you know the answer? Click here, and find out if you are right.

This question is worth 1 point in this category: T-SQL. We keep track of your score to give you bragging rights against your peers.

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SQL Server Hardware will provide the fundamental knowledge and resources you need to make intelligent decisions about choice, and optimal installation and configuration, of SQL Server hardware, operating system and the SQL Server RDBMS.

Pick up your copy of this great book from MVP Glenn Berry at Amazon today.

What is the result of the SELECT COUNT statement at the end of this code?

CREATE TABLE TblA1
  (
   col1 INT ,
   col2 VARCHAR(10)
   );
GO
CREATE TABLE TblA2
  (
   col3 INT ,
   col2 VARCHAR(10)
   );
GO

INSERT INTO TblA1(col1, col2)
VALUES (1, 'A'),(2, 'B'),(3, 'C'),(4, 'D'),(5, 'E'),(6, 'F');
GO
INSERT INTO TblA2(col3, col2)
VALUES (1, 'A'),(2, 'B'),(3, 'C'),(4, 'D'),(5, 'E'),(6, 'F');
GO
select COUNT(1)
 from TblA1
 where col1 in (select col1 from TblA2 where TblA1.col2 = TblA2.col2)

By Mark Grout

Answer: 6

Explanation: As the column is not explicitly prefixed with the table alias, it uses the field as defined within the table declared in the inline SELECT statement. If the field does not exist there, it then defaults to the field within the outlying table definition.

» Discuss this question and answer on the forums

SQL Server Hardware will provide the fundamental knowledge and resources you need to make intelligent decisions about choice, and optimal installation and configuration, of SQL Server hardware, operating system and the SQL Server RDBMS.

Pick up your copy of this great book from MVP Glenn Berry at Amazon today.

Convert string Hex to Numeric with inline TSQL

Federico Iori from SQLServerCentral.com

A fast way to convert a string containing Hex values to numeric More »

Here's a few of the new posts today on the forums. To see more, visit the forums.

SQL Server 2005 : Administering

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SQL Server 2005 : Backups

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SQL Server 2005 : Business Intelligence

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SQL Server 2005 : SQL Server 2005 General Discussion

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SQL Server 2005 : SQL Server 2005 Integration Services

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SQL Server 2005 : T-SQL (SS2K5)

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SQL Server 7,2000 : Backups

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SQL Server 2008 : SQL Server 2008 - General

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SQL Server 2008 : T-SQL (SS2K8)

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SQL Server 2008 : Working with Oracle

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SQL Server 2008 : SQL Server Newbies

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SQL Server 2008 : SQL Server 2008 High Availability

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SQL Server 2008 : SQL Server 2008 Administration

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Career : Certification

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Programming : General

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SQLServerCentral.com : Anything that is NOT about SQL!

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Data Warehousing : Analysis Services

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