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Dejan Sarka

  • PASS SQL Saturday #356 Slovenia – Speakers and Sessions Submitted Breakdown by Country Final

    So this is the final analysis of the speakers and the sessions submitted for the PASS SQL Saturday #356 Slovenia event, December 13th, Ljubljana, Slovenia. Call for speakers closed on October 15th. The number of proposed sessions and speakers is impressive. I am really honored and humbled by the number of foreign speakers that sent their proposals. I simply can’t remember a conference in Slovenia dealing with MS technology with that many top speakers from foreign countries. Thank you all speakers! Definitely an event that is worth visiting.

    image

  • PASS SQL Saturday #356 Slovenia Pre-Conference Seminars

    I am proud and glad I can announce two top pre-conference seminars at the PASS SQL Saturday #356 Slovenia conference. The speakers and the seminars titles are:

    Both seminars will take place on Friday, December 12th, in the classrooms of our sponsor Kompas Xnet. The price for a seminar is € 149, with early bird price at € 119. Early bird price is valid until October 31st.

    I am also using this opportunity to explain how and why we decided for these two seminars. The decision was made by the conference organizers, Matija Lah, Mladen Prajdič, and Dejan Sarka. There was a lot of discussion in different social networks about PASS Summit pre-conference seminars lately. If you have any objections for our seminars, please do not start big discussions in public; please tell them to the three of us directly.

    First of all, unlike at the PASS Summit seminars, the speakers are not going to earn big money here, and therefore it is not really worth spending much time and energy on our decision. We think that any of the speakers who sent proposals for our SQL Saturday could present a top quality seminar. We would like to enable seminars for every speaker that wants to deliver one. However, in a small country, we will have already hard time to fill up the two seminar we have currently. Our intention is to reimburse at least part of the money the speakers spent on their own for travelling expenses and accommodation. In our opinion, it makes sense to do this for the speakers that spent the most for the travelling. Coming here from USA is expensive, and it also takes three days in both directions. That’s why we decided to organize the seminars for the first two speakers from USA.

    Of course, this is not the last event. If everything goes well with SQL Saturday #356 and with the seminars, we will definitely try to organize more events in the future, and invite more speaker to deliver a seminar as well.

    Thank you for understanding!

  • PASS SQL Saturday #356 Slovenia – Details for my Countrymen

    For a change, I am posting a blog in Slovenian language. I am posting the details about PASS SQL Saturday #356 Slovenia. Of course, everybody is invited to attend the conference, submit proposals, or even join us as a sponsor. The vast majority of presentations will be in English language anyway. So here are the details for my countrymen.

    Slovenska skupnost SQL Server ne miruje. Pripravljamo nov dogodek, že drugič bo to PASS SQL Saturday. Tokrat bomo dogodek organizirali v soboto, 13. decembra, in sicer v prostorih FRI, Ljubljana (http://www.sqlsaturday.com/356/eventhome.aspx). To bo tudi edini dogodek v drugi polovici letošnjega leta v Sloveniji, kjer bodo predavanja posvečena strežniku SQL Server.

    Ideja za dogodke pod skupnim imenom PASS SQL Saturday se je porodila v svetovni skupnosti uporabnikov sistem SQL Server, v skupnosti Professional Association for SQL Server, oziroma PASS (http://www.sqlpass.org). Ti dogodki so nekakšen odgovor na ekonomsko in predvsem na krizo izobraževanja. Pomanjkanje vlaganja v izobraževanje je namreč vsesplošen svetovni problem. V SQL Server skupnosti smo se odločili poskusiti ponuditi uporabnikom strežnika SQL Server vsaj nekaj, torej vsaj brezplačen dogodek.

    Kako to poteka? Prvi del enačbe predstavljamo predavatelji. Ne le, da predavanja na SQL Saturday niso plačana; vsak predavatelj si celo sam krije vse stroške. Seveda predavatelj obenem porablja svoj prosti čas. V osnovi gre za enostavno načelo »jaz tebi, ti meni«. Preden sami dodate, kaj jaz tebi in kaj ti meni, naj to razložim. Slovenski predavatelji, predvsem slovenski MVP-ji za SQL Server, pogosto predavamo na podobnih dogodkih v tujini. Tako nam ni težko pridobiti tujih predavateljev za naš dogodek. Vsi skupaj tako lahko omogočimo vsem lokalnim skupnostim vrhunska predavanja.

    Drugi del enačbe so sponzorji. Dogodki so sicer precej poceni, saj, kot sem že omenil, ni stroškov s predavatelji. Potrebujemo predavalnice ter nekaj hrane in pijače. Nekaj denarja primakne PASS, predvsem pa je vedno zraven velika podpora s strani Microsofta. Naj še posebej izpostavim podporo v Sloveniji. Ko smo lansko leto prvič organizirali dogodek, smo šli na resnični minimum stroškov. Poskusili smo najti sponzorja, ki bi nam omogočil prostor brezplačno. Ko smo razložili, za kakšen dogodek gre, najprej na sestanku SLODUG, potem pa še osebno, je bil odziv neverjeten. V dveh dneh smo dobili štiri ponudbe za brezplačen prostor! Še več, tudi pri hrani je ponudnik šel v posel praktično brez dobička; tako dobro kosilo za tako ceno, kot smo jo imeli lani, bo težko ponoviti.

    Tretji del enačbe ste udeleženci. Lanskoletni odziv je presegel naša pričakovanja. Pa ne gre zgolj za pasivne udeležence; dobesedno otepati smo se morali prostovoljcev, ki so želeli kakorkoli pomagati. Še več, tudi razmerje med tistimi, ki so prišli, in količino prijav, je bilo najboljše na svetu. Drugače rečeno, osip je bil veliko pod svetovnim povprečjem. To je res nekaj vredno, ko vidiš, da ljudje z navdušenjem in s spoštovanjem sprejmejo dogodek.

    Naj se za hip povrnem na prvi del enačbe, na predavatelje. SQL Saturday ni namenjen le uveljavljenim predavateljem; dobrodošli so tudi začetniki, tudi tisti, ki bi radi stopili na pot predavanj. Če mislite, da lahko začnete delati kariero na tem področju, se registrirajte kot PASS uporabnik, prijavite na spletno stran našega dogodka (http://www.sqlsaturday.com/356/callforspeakers.aspx), ter pošljite predloge za predavanja. Svetujemo, da pošljete predloge in tudi predavate v angleškem jeziku. Le tako lahko računate tudi na morebitni prodor v tujino.

    Letos bomo poskusili vpeljati več novosti. Prvo predstavljata dva predkonferenčna seminarja, ki bosta v petek, 12. decembra, v prostorih Microsoft Slovenija. Seminarja ne bosta brezplačna, bo pa cena zelo razumna. En seminar bo posvečen relacijskemu delu, en pa poslovni inteligenci. Namen seminarjev je predvsem en: omogočiti vsaj delno povrnitev stroškov tistim predavateljem, ki pridejo resnično od daleč. Taki predavatelji ne samo, da plačajo veliko za letalske vozovnice, ampak tudi porabijo skupaj kar tri dni za pot k nam in nazaj domov. Druga novost je četrti sklop predavanj, ki bo odprt za sorodne tehnologije, torej tehnologije, ki uporabljajo ali zlorabljajo SQL Server, kot na primer .NET in SharePoint Server. Tretja novost bo, če bodo sponzorji zainteresirani, kratka predstavitvena predavanja sponzorjev.

    Naj še omenim, da smo letos začeli s še enim, prav posebnim in slovensko izvirnim dogodkom. To je bil junijski SQL piknik, ki je bil ravno tako izjemno lepo sprejet, čeprav je šlo za bistveno manjši dogodek. Upamo, da bo tudi ta dogodek postal tradicionalen. Vsekakor načrtujemo SQL piknik ponoviti prihodnje leto.

    Kaj lahko storite vi? Veliko. Predvsem se prijavite. Prijavite se kot udeleženci, prijavite se kot prostovoljci, prijavite se na konferenco, prijavite se na seminar. Lani nas je bilo skupaj 150. Naj nas bo letos 200. Pomagate nam lahko tudi tako, da najdete sponzorje. Morda je ravno vaše podjetje zainteresirano za predstavitev na tej konferenci? Še enkrat – to bo edini dogodek v preostanku leta, kjer bo zbrana bolj ali manj celotna skupnost uporabnikov strežnika SQL Server. Pa še nekaj – tako kot lani, tudi letos se dogodka res udeležite. S tem boste pokazali največ spoštovanja predavateljem, sponzorjem in organizatorjem. Hvala vnaprej.

  • PASS SQL Saturday #356 Slovenia

    And we are alive!

    I am proud to announce the PASS SQL Saturday #356 Slovenia event. The date is December 13th. In December, Ljubljana is even more beautiful than usually, and it is definitely a party city. Therefore, together with great sessions, a lot of reasons to come. Welcome!

  • SQLBits XII

    Back home from SQLBits XII, back to normal life. However, I am already missing the conference. I have spoken with quite a few other speakers, and our conclusion is, as my friend Niko Neugebauer said: this conference is simply second to none. Great content, and very interesting split into three days: seminars if you wish to get more personal touch and in-depth knowledge about specific topic the first day, a regular high-end conference the second day, and a free community conference the third day. This way, everybody can find something for her- or himself. In addition, I liked very much the way how the food was served – in many small dishes. This way you can taste many different dishes, and there were nearly no queues. And what to say about the Steampunk party? If you were not there, you should be sorry.

    Therefore, thank you all organizers and volunteers for your work and your time, and for inviting me there. Thank you all attendees for making this conference possible, and especially thanks to those who visited my seminar and my session. I promise I will upload my material as soon as it would be possible. And finally, thank you all speakers for you contribution and for the many funny hours we spent together. I hope we all meet next year again.

  • Conferences – 2nd Semester 2014 - Update

    I have to correct the post from a month ago, I had to make some changes in my plans.

    1. SQLBits 2014, July 17th-19th: high time to register, pre-conf seminars start in two days. I have an interesting pre-con seminar there – Advanced Data Modeling Topics. In addition, I have a session as well. This is now over.

    2. Kulendayz 2014, September 5th – 7th: I guess I will speak there. However, The most important thing there is to cool down:-) However, besides eating Kulen and other Slavonia specialties, I am giving a Data Quality and Master Data Management precon and a talk during the conference.

    3. SQL Saturday #344 Tirana, October 4th: Never been in Albania, looking forward to visit Tirana. Seems like this one is either cancelled or moved.

    4. SQL Saturday #311 Bulgaria, October 11th: Visiting Sofia after many years. Nice people, good rakija.

    5. Sinergija 14, October 20th – 21st, Belgrade, Serbia: Best barbecue. Besides great sessions, of course.

    6. SharePoint dnevi 2014, October 21st - 22nd, Portorož, Slovenia: I think the conference party would not be the same if I don’t appear there:-)

    7. PASS Summit 2014, November 4th - 7th, Seattle, WA, USA: Can’t miss the most important community conference in the world.

    8. SQL Saturday #355, November 22nd, Parma, Italy – I guess you all heard for Parma Prosciutto and Parmigiano Reggiano.

    9. SQL Saturday #359, December 6th, Istanbul, Turkey: I am not 100% whether I will make it, but I definitely hope to get some real kebab, köfte, dolma, sarma…

    10. SQL Saturday Ljubljana, December 13th, Ljubljana, Slovenia: I am co-organizing this event. Date reserved, call for speakers is going out soon. Consider coming – most of the session will be in English. Maybe not the best parties, but definitely the longest. Ljubljana lives all night. This will be the best possible ending of the 2014 conferences.

    Hope we will meet at some of these events.

  • Data Modeling Resources

    You can find many different data modeling resources. It is impossible to list all of them. I selected only the most valuable ones for me, and, of course, the ones I contributed to.

    • Books
      • Chris J. Date: An Introduction to Database Systems – IMO a “must” to understand the relational model correctly.
      • Terry Halpin, Tony Morgan: Information Modeling and Relational Databases – meet the object-role modeling leaders.
      • Chris J. Date, Nikos Lorentzos and Hugh Darwen: Time and Relational Theory, Second Edition: Temporal Databases in the Relational Model and SQL – all theory needed to manage temporal data.
      • Louis Davidson, Jessica M. Moss: Pro SQL Server 2012 Relational Database Design and Implementation – the best SQL Server focused data modeling book I know by two of my friends.
      • Dejan Sarka, et al.: MCITP Self-Paced Training Kit (Exam 70-441): Designing Database Solutions by Using Microsoft® SQL Server™ 2005 – SQL Server 2005 data modeling training kit. Most of the text is still valid for SQL Server 2008, 2008 R2, 2012 and 2014.
      • Itzik Ben-Gan, Lubor Kollar, Dejan Sarka, Steve Kass: Inside Microsoft SQL Server 2008 T-SQL Querying – Steve wrote a chapter with mathematical background, and I added a chapter with theoretical introduction to the relational model.
      • Itzik Ben-Gan, Dejan Sarka, Roger Wolter, Greg Low, Ed Katibah, Isaac Kunen: Inside Microsoft SQL Server 2008 T-SQL Programming – I added three chapters with theoretical introduction and practical solutions for the user-defined data types, dynamic schema and temporal data.
      • Dejan Sarka, Matija Lah, Grega Jerkič: Training Kit (Exam 70-463): Implementing a Data Warehouse with Microsoft SQL Server 2012 – my first two chapters are about data warehouse design and implementation.
    • Courses
      • Data Modeling Essentials – I wrote a 3-day course for SolidQ. If you are interested in this course, which I could also deliver in a shorter seminar way, you can contact your closes SolidQ subsidiary, or, of course, me directly on addresses dsarka@solidq.com or dsarka@siol.net. This course could also complement the existing courseware portfolio of training providers, which are welcome to contact me as well.
      • Logical and Physical Modeling for Analytical Applications – online course I wrote for Pluralsight.
      • Working with Temporal data in SQL Server – my latest Pluralsight course, where besides theory and implementation I introduce many original ways how to optimize temporal queries.
    • Forthcoming presentations
      • SQL Bits 12, July 17th – 19th, Telford, UK – I have a full-day pre-conference seminar Advanced Data Modeling Topics there.
  • Working with Temporal Data in SQL Server

    My third Pluralsight course, Working with Temporal Data in SQL Server, is published. I am really proud on the second part of the course, where I discuss optimization of temporal queries. This was a nearly impossible task for decades. First solutions appeared only lately. I present all together six solutions (and one more that is not a solution), and I invented four of them. http://pluralsight.com/training/Courses/TableOfContents/working-with-temporal-data-sql-server

  • ALTER TABLE SWITCH [PARTITION] – DDL or DML?

    My previous blog post “Truncate Table – DDL or DML Statement?” got quite a few comments. Now I am continuing with a similar discussion: is the ALTER TABLE SWITCH [PARTITION] DDL (Data Definition Language) or DML (Data Manipulation Language) statement? At least it is clear that this is not a Data Control Language (DCL) statement.

    Again, I can find a lot of arguments why this would be a DDL statement. First of all, we all know the classical categorization of the statements:

    · DDL includes CREATE, ALTER, and DROP statements

    · DCL includes GRANT, REVOKE, and DENY statements

    · DML includes SELECT, INSERT, UPDATE, DELETE, and MERGE statements.

    SQL Server changes system pages when you use this statement. In addition, you need elevated permissions to use the statement. Clearly, from the syntax perspective, it is a DDL statement.

    However, logically, you just move the data from one table or partition to another table or partition. You do not change the schema at all. Therefore, semantically, this is a DML statement. And again, in my opinion, the logical perspective is the most important here, because this is the main point of the Relational Model: work with it from the logical perspective, and leave the physical execution to the underlying system.

    Let me show how this statement works. I start with the clean-up code, if some of the objects I am going to create in the tempdb system database already exist.

    image

    Next, let me create the partition function and the partition scheme, create a demo table dbo.FactInternetSales and populate it with the data from the dbo.FactInternetSales from the AdventureWorksDW2012 demo database. I will also create two additional tables, one for the new data load, and one for the data from the oldest partition of the dbo.FactInternetSales table.

    image

    Note that the table for the new data includes a check constraints that guarantees that all of the data can be switched to a single partition of the partitioned table. I am loading the dbo.FactInternetSalesNew table with the last data you can find in the demo database, internet sales for year 2008. Let me check the data in all three tables, and also all partitions of the partitioned table.

    image

    If you check the results, you can see that there is data in three partitions of the partitioned table, and in the table for the new data. Next step is to switch the data from the new data table to a single partition of the partitioned table.

    Can I do the same thing with a single DML statement? The TRUNCATE TABLE works logically similarly to the DELETE statement without the WHERE clause if a table is without a trigger and without the identity property. Does something similar exist for the ALTER TABLE SWITCH [PARTITION] statement? The answer is, of course, yes. You can use the composable DML statements with the OUTPUT clause. With the next statement, I am moving all of the data from the oldest partition of the partitioned table to the table created for the old data.

    image

    Let’s check where the data is now, and if schema has anyhow changed.

    image

    If you execute the statements, you can clearly see that the effect of the last composable DML statement was completely the same as the effect of the ALTER TABLE SWITCH [PARTITION] statement. The schema did not change a bit. Therefore, the ALTER TABLE SWITCH [PARTITION] is clearly a DML statement.

  • Truncate Table – DDL or DML Statement?

    Many times, categories of concepts and things overlap. It can be hard to categorize some items in a single category. The SQL TRUNCATE TABLE statement is an example of an item that is not so easy to categorize. Is it a DDL (Data Definition Language) or DML (Data Manipulation Language) statement?

    There is an ongoing discussion about this topic. However, if you quickly bingle for this question, you get the impression that the majority is somehow leaning more toward defining the TRUNCATE TABLE statement as a DDL statement. For example, Wikipedia clearly states: “In SQL, the TRUNCATE TABLE statement is a Data Definition Language (DDL) operation that marks the extents of a table for deallocation (empty for reuse).” Disclaimer: please note that I do not find Wikipedia as the “ultimate, trustworthy source” – I prefer sources that are signed!

    Some of the reasons why many people define the statement as a DDL statement include:

    • It requests schema locks in some systems
    • It is not possible to rollback it in some systems
    • It does not include a WHERE clause
    • It does not fire triggers in some systems
    • It resets the autonumbering column value in some systems
    • It deallocates system pages directly, not through an internal table operation
    • and more.

    On the other hand, it looks like there is only one reason to treat the statement as a DML statement:

    • Logically, you just get rid of the data, like with the DELETE statement.

    Even the Wikipedia article that I referred to says “The TRUNCATE TABLE mytable statement is logically (though not physically) equivalent to the DELETE FROM mytable statement (without a WHERE clause).”

    Like many times, I have to disagree with the majority. I understand that the categorization is somehow confusing, and might even be overlapping. However, the only reason for categorizing the TRUNCATE TABLE statement in the DML category is “THE” reason in my understanding. One of the most important ideas in the Relational Model is the separation between the logical and the physical level. We, users, or people, if you wish, are manipulating with data on the logical level; the physical implementation is left to the database management system. And this is the important part – logically, when you truncate table, you don’t care how this statement is implemented internally, you just want to get rid of the data. It really does not matter what kind of locks a system uses, does it allow WHERE clause or not, etc. The logical point is what matters. Therefore, I would categorize the TRUNCATE TABLE statement as a DML statement.

    Of course, this is a purely theoretical question, and is really not important for your practical implementation. As long as your app is doing what it should do, you don’t care too much about these nuances. However, IMO in general there is not enough of theoretical knowledge spread around, and therefore it makes sense to try to get the correct understanding.

    But there is always a “but”. Of course, I have immediately another question. What about the ALTER TABLE mytable SWITCH [PARTITION…] TO… statement? ALTER statements have been defined as DDL statements forever. however, again, logically you are just moving the data from one table to another. Therefore – what? What do you think?

  • Central Europe Trip with a Reason

    Why wouldn’t you make a nice trip in Central Europe? Besides spending some nice days in beautiful cities, you have also a business-type excuse for the trip. You can join the two SQL Saturday events. The first one is going to take place in Budapest, March 1st, and the second one in Vienna, March 6th.

    I am very happy to meet the SQL community again, and proud to speak at both events. Although I would prefer to have the dates turned around. The two sessions selected are Temporal Data in SQL Server, which I will preset in Vienna, and Optimizing Temporal Queries, which I will present in Budapest. The sessions are more or less independent; however, I see the Vienna session as a prequel to the Budapest one.

    Come, learn and enjoy Central Europe!

  • Indexing, Querying and Analyzing Text with SQL Server 2012-2014

    It is hard to imagine searching for something on the Web without modern search engines like Bing or Google. However, most contemporary applications still limit users to exact searches only. For end users, even the standard SQL LIKE operator is not powerful enough for approximate searches. In addition, many documents are stored in modern databases; end users would probably like to get powerful search inside document contents as well. Text mining is also becoming more and more popular. Everybody would like to understand data from blogs, Web sites, and social media. Microsoft SQL Server in versions 2012 and 2014 enhances full-text search support that was available in previous editions substantially. Semantic Search, a new component in Full-Text Search, can help you understand the meaning of documents. Finally, the Term Extraction and Term Lookup components from SQL Server Integration Services also helps with text analysis.

    I am proud to introduce my second course I authored for Pluralsight - Indexing, Querying and Analyzing Text with SQL Server 2012-2014. You can learn how to get the most out of your texts with SQL Server tools. Enjoy!

  • Winter and Spring Conferences

    As a speaker, I would like to help promoting the conferences where I am proud to present. Of course, this does not mean that other conferences are any worse. Anyway, here is the list of the conferences where I am going to speak, and I would like to invite you to join me.

    Looking forward to all of these events. I hope we will meet in at least one of them!

  • SQL Set Operators. Set? Really?

    UNION, INTERSECT and EXCEPT operators are commonly called Set Operators. For example, in Books Online you can find a topic “Set Operators”, where  these three operators are explained. They should represent set operations UNION, INTERSECT and MINUS (synonym for EXCEPT DISTINCT). Also Wikipedia has a topic called “SET OPERATIONS (SQL)”, where these three operators are introduced. And these operators are commonly represented by Venn diagrams. Logically, Venn diagrams are also called Set diagrams. Here are the three operators presented with Venn diagrams:

    image

    However, is the name “Set Operators” really correct? The first question I asked myself was very simple: why would we have 10 and more relational operator and three set operators in the relational algebra? Well, makes no sense. The relational algebra comprise relational operators only, of course.

    So what exactly is a relation? A relation is a special kind of set, set of entities that are related, i.e that are of the same kind. How do we know that the two entities are of the same kind and can thus be grouped in a single entity set, i.e. in a relation? Of course, two entities are of the same kind if they have the same attributes. Therefore, every relation is a set; however, not every set is a relation.

    Set operators work on sets and produce a set. Relational operators work on relations and produce a relation. SQL operators UNION, INTERSECT and EXCEPT produce relations, i.e. special kind of sets. Set operator UNION can combine a set of differential equations and a set of hammers into a single set. Relational operator UNION can’t combine a relation of differential equations and a relation of hammers into a single relation, because elements of these two relations have nothing in common. And don’t think that if you take only keys of both relation, and both have a single-column integer key, that a UNION of this would be a relation. First of all, you can do such an union because we don’t use strong types in a relational database (each key should be of its own type – in this case, you should have a “hammer” and a “differential equation” key types, which would disallow such operations). In addition, in the case I mentioned, you would get two a relations that has with a single attribute, the key only, which would probably be meaningless from the business perspective. A relation without a meaningful attribute is not really an entity set, as defined by Peter Chen. An entity is something we can identify and is of interest. If we don’t have any real attribute, then this “thing” (whatever) is definitely not an entity, because without attributes it can’t be of any interest.

    To summarize: SQL UNION, INTERSECT and EXCEPT are simply relational operators. Talking about them as of set operators is at least imprecise. However, representing them with Venn diagrams is not just imprecise, it is wrong. Here is a better presentation of there three relational operators.

    image

  • SQL Server 2012 Reporting Services Blueprints Review

    I had opportunity to read the SQL Server 2012 Reporting Services Blueprints book by Marlon Ribunal (@MarlonRibunal) and Mickey Stuewe (@SQLMickey), Packt Publishing. Here is my short review.

    5085EN

    I find the book very practical. The authors guide you right to the point, without unnecessary obstructions. Step by step, you create more and more complex reports, and learn SQL Server Reporting Services (SSRS) 2012 features. If you are more hands-on guy, this is the right book for you. Well, to be honest, there is not much theory in reporting. Reporting is the starting point of business intelligence (BI), with on-line analytical processing as the next step, and data mining as the I in BI.

    The book correctly presents all SSRS features. In some chapters and appendices, the authors also went beyond basics. I especially enjoyed advanced topics in chapter 5, “Location, Location, Locations!”, appendix A, “SSRS Best Practices”, and appendix B, “Transactional Replication for Reporting Services”. All together, the book is more than sufficient for creating nice reports without much previous knowledge in a short time, and for avoiding common pitfalls at the same time.

    The only thing I am missing is a bit more of theory. Yes, as a data mining person, I like to learn things a bit more in depth. I usually don’t deal with presentation; I prefer numbers. And this is my point – I would like to see more guidelines about proper usage of report elements – when to use which graph type, when to use maps, how to properly present different kinds of data…

    Anyway, all together, the book is very useful, and I would recommend it to anybody that wants to learn SSRS in a short time.

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