MODERN-SQL.COM
Modern SQL: A lot has changed since SQL-92SQL has received some quite impressive updates lately. Modern SQL ain't your grandfathers SQL anymore.
http://www.modern-sql.com/
SQL has received some quite impressive updates lately. Modern SQL ain't your grandfathers SQL anymore.
http://www.modern-sql.com/
TODAY'S RATING
#356,286
Date Range
HIGHEST TRAFFIC ON
Sunday
LOAD TIME
4.3 seconds
16x16
32x32
64x64
128x128
PAGES IN
THIS WEBSITE
19
SSL
EXTERNAL LINKS
50
SITE IP
148.251.138.18
LOAD TIME
4.344 sec
SCORE
6.2
Modern SQL: A lot has changed since SQL-92 | modern-sql.com Reviews
https://modern-sql.com
SQL has received some quite impressive updates lately. Modern SQL ain't your grandfathers SQL anymore.
modern-sql.com
Aliasing Table And Column Names in the FROM clause
http://modern-sql.com/feature/table-column-aliases
Aliasing Table And Column Names in the. You might already know how to alias 0. Column names and tables names. But chances are you don't know how to alias the column names of a table in the. As usual, the syntax is quite simple: table aliases can be followed by an optional column list in parentheses:. FROM [AS] alias [( derived column list )]. Assigning names to columns without known name. Starting with SQL:1999 the. AS ( VALUES (1) , (NULL) ) SELECT COUNT( c1. Renaming columns in the. To introduce a tabl...
SQL-92 Levels: Entry, Intermediate, Full versus Core SQL:1999 onwards
http://modern-sql.com/standard/levels
The SQL standard is huge. More than 4000 pages in its SQL:2011 incarnation. No single implementation can ever implement all features. 0. Even in the early releases, such as SQL-92, the SQL standard defined different conformance levels so that vendors can claim conformance to a subset of the standard. Conformance Levels in SQL-92. SQL-92 defines three conformance levels: entry, intermediate and full. Conformance claims must state to which level they are claiming conformance 1. SQL-92, 23.2. According to m...
Renaming SQL columns based on their position
http://modern-sql.com/use-case/naming-unnamed-columns
Assign Names to Columns Without Known Name. Normally, we define column names using the. Statement and alias them in. If needed. However, to alias a column using. You must first know its the original name. This is not the case when using table functions,. The only way to assign names to such columns is on the basis of their position. Option 1: Using Aliases in the. Besides table aliases, intermediate level SQL-92. Also supports renaming columns in the. COUNT(*) FROM (VALUES (1) , (NULL) ) t1(c1). A guide ...
SQL Pivot in all databases: MySQL, MariaDB, SQLite, PostgreSQL, Oracle, …
http://modern-sql.com/use-case/pivot
Pivot Rows to Columns. Pivoting data is a rather common problem that comes in many different flavors. At its heart, the requirement is to transpose data from multiple rows into columns of a single row. This requirement is particularity common in a reporting context. The following explanation is therefore based on a query that reports monthly revenues:. The first step in implementing this requirement is to remove the month from the. Clauses to get one row per year:. Must take only invoices from January in...
Literate SQL using the WITH clause
http://modern-sql.com/use-case/literate-sql
Is an approach to programming introduced by Donald Knuth that, among other ideas, aims to arrange source code in order of human logic so that it can be understood by reading it like a novel: from the beginning to the end. SQL works in the opposite way: due to the nesting of subqueries we must find and understand the innermost query and then start working from inside out. Not even well-chosen names can improve the recursive reading process notably because names. Clause depends on the. WITH intention revea...
TOTAL PAGES IN THIS WEBSITE
19
Effects of ORDER BY and GROUP BY on SQL performance
http://use-the-index-luke.com/sql/sorting-grouping
Use The Index, Luke! A Guide to Database Performance by Markus Winand. Use The Index, Luke. Sorting is a very resource intensive operation. It needs a fair amount of CPU time, but the main problem is that the database must temporarily buffer the results. After all, a sort operation must read the complete input before it can produce the first output. Sort operations cannot be executed in a pipelined manner this can become a problem for large data sets. About my book SQL Performance Explained. Manner. ...
Partial results: getting rows X to Y efficiently
http://use-the-index-luke.com/sql/partial-results
Use The Index, Luke! A Guide to Database Performance by Markus Winand. Use The Index, Luke. Messages must be sorted in order to find the most recent ones. A pipelined order by. Is therefore a very powerful means of optimization for such queries. Using a pipelined order by. Is not only about saving the effort to sort the result, it is more about delivering the first results without reading and sorting all rows. That means the pipelined order by. This chapter demonstrates how to use a pipelined order by.
Anatomy of an SQL Index: What is an SQL Index
http://use-the-index-luke.com/sql/anatomy
Use The Index, Luke! A Guide to Database Performance by Markus Winand. Use The Index, Luke. Anatomy of an SQL Index. An index makes the query fast. An index is a distinct structure in the database that is built using the create index. Clustered Indexes (SQL Server, MySQL/InnoDB). SQL Server and MySQL (using InnoDB) take a broader view of what. Means They refer to tables that consist of the index structure only as. These tables are called Index-Organized Tables (IOT) in the Oracle database. A database ind...
SQL Performance versus scalability
http://use-the-index-luke.com/sql/testing-scalability
Use The Index, Luke! A Guide to Database Performance by Markus Winand. Use The Index, Luke. This chapter is about performance and scalability of databases. In this context, I am using the following definition for scalability:. Scalability is the ability of a system, network, or process,. To handle a growing amount of work in a capable manner. Its ability to be enlarged to accommodate that growth. Are the respective keywords which were recently complemented by new buzzwords like. As well as remote coaching.
FAQ - Frequent Questions about Use The Index, Luke
http://use-the-index-luke.com/faq
Use The Index, Luke! A Guide to Database Performance by Markus Winand. What is "Use The Index, Luke"? What is "SQL Performance Explained"? Is it only about the Oracle database? Is it only about the B-Tree Index? How to receive updates? Where can I download? Is there an ePub or Mobi available? How to Support the Site? How can I help promoting your Site? How can I tell you about spelling and grammar errors? How can I help financially? Who wrote the tutorial? Google Analytics and Google Remarketing. Are ver...
Seven Surprising Findings About DB2
http://use-the-index-luke.com/blog/2014-11/seven-surprising-findings-about-DB2
Use The Index, Luke! A Guide to Database Performance by Markus Winand. Use The Index, Luke blog. Seven Surprising Findings About DB2. I’ve just completed IBM DB2 for Linux, Unix and Windows (LUW) coverage here on Use The Index, Luke. As preparation for an upcoming training I’m giving. This blog post describes the major differences I’ve found compared to the other databases I’m covering (Oracle, SQL Server, PostgreSQL and MySQL). Emulating Partial Indexes is Possible. Clause Only for Unique Indexes. Acces...
Data cluster: storing related data close together
http://use-the-index-luke.com/sql/clustering
Use The Index, Luke! A Guide to Database Performance by Markus Winand. Use The Index, Luke. Clustering Data: The Second Power of Indexing. Is used in various fields. A star cluster. For example, is a group of stars. A computer cluster. On the other hand, is a group of computers that work closely together either to solve a complex problem (high-performance computing cluster) or to increase availability (failover cluster). Generally speaking, clusters are related things that appear together. The simplest d...
Who has to add the right indexes to an SQL database?
http://use-the-index-luke.com/sql/preface
Use The Index, Luke! A Guide to Database Performance by Markus Winand. Use The Index, Luke. Developers Need to Index. SQL performance problems are as old as SQL itself some might even say that SQL is inherently slow. Although this might have been true in the early days of SQL, it is definitely not true anymore. Nevertheless SQL performance problems are still commonplace. How does this happen? An SQL statement is a straight description. Is needed without instructions as to. It turns out that the only thing.
Example Schema
http://use-the-index-luke.com/sql/example-schema
Use The Index, Luke! A Guide to Database Performance by Markus Winand. Use The Index, Luke. This appendix contains all the required create. Statements to run the examples from the book. For the sake of didactics, the book’s main body does not always include all details for the examples. Insert, Delete and Update. Insert, Delete and Update. Insert, Delete and Update. Markus Winand tunes developers for high SQL performance. He also published the book. And offers in-house training. As well as remote coaching.
Modern SQL in PostgreSQL [and other databases]
http://use-the-index-luke.com/blog/2015-02/modern-sql
Use The Index, Luke! A Guide to Database Performance by Markus Winand. Use The Index, Luke blog. Modern SQL in PostgreSQL [and other databases]. This is the abstract for the talk I’ve given at FOSDEM. In Brussels on Saturday. The PostgreSQL community was so kind to host this talk in their ( way too small. One last thing before going on to the slides:. Use The Index, Luke. Stickers, coasters, books, mugs. Have a look. Find the slides on SlideShare. And offers in-house training. As well as remote coaching.
TOTAL LINKS TO THIS WEBSITE
50
Welcome to Modern Sports
Modern Sports - Embroidered personalised clothing for sports clubs, dance schools and teams. This site is down for maintenance. Please check back again soon.
Coming Soon
Future home of something quite cool. If you're the site owner. To launch this site. If you are a visitor.
Violetart.com
Modern SQL: A lot has changed since SQL-92
Blue Pill or Red Pill? Traditional SQL /trəˈdɪʃəˌnəl ˈɛs kjuː ˈɛl/. The widely known sub-set of SQL-92. Limited to the relational model. Often incorrectly just called SQL . Modern SQL /ˈmɑdɚn ˈɛs kjuː ˈɛl/. An internationally standardized, widely available and Turing complete data processing language supporting relational and non-relational data models. This site helps you exploring. Features are explained in simple terms. Use-cases demonstrate their power. Compatibility is well documented. How to Get It.
Modern'Squash : squash à Marseille
Votre nouveau squash à Marseille. Bienvenue sur le site de Modern'Squash. Votre nouveau squash à Marseille. Venez profiter de nos 6 courts de squash, 4 courts de badminton, de notre bar / snack et de notre salle de fitness. Offre spéciale Squash : Week-end et heures creuses semaine*. 11 la location du cours. Tarif pour 2 personnes). Heures creuses semaine Squash : de 9h15 à 12h15 puis de 13h45 à 17h30. Offre spéciale Badminton : Heures creuses semaine*. 10 la location du cours. Tarif pour 2 personnes).
Модерн Стайл
Сайт компании Модерн Стайл был обновлен. Для вашего удобства, мы сохранили возможность пользоваться старой версией сайта. Для перехода на старую версию вам нужно нажать на ссылку Старый сайт. Мебельная фурнитура и комплектующие. 443022, г. Самара, ул. 22 Партсъезда, 7а. Тел/факс: 7 (846) 977-75-37, 977-75-47. Сайт: www.modern-st.ru. Техника и сантехника для кухни. Техника и сантехника для кухни. Электрические и индукционные варочные поверхности. Мойки из искусственного камня. Мойки из нержавеющей стали.
MODERN STAFF | Entreprise Staff Cannes, société de décoration Staff. Staff BA13 Cannes et realisation de travaux et projet à Cannes.
MODERN STAFF vous propose un service personnalisé haut de gamme. Vos Projets Personnalisés Nos Réalisations Haut de Gamme = Une Collaboration Réussie! Spécialiste depuis 1971 dans la fabrication et la pose de faux plafonds, corniches, voûtes et décorations diverses, notre équipe vous apporte son savoir-faire et ses conseils avisés tant techniques que décoratifs. Création site Internet : HETISS.
MODERN Staffing Texas
Enter your search terms here. Becoming a Part of the Modern Team. Your Modern HR Business Solutions Team. Staffing done right,. Matching People and Opportunities. Skilled Trade Job Postings. Join the Modern Team, Start building your career Today! New to MODERN Staffing Texas? Start by creating an account. Browse Jobs and Add/Update Resume. Look through current openings or add/update a resume to your account. Become a part of the MODERN Team. Click below to. New Braunfels, TX. San Marcos, TX. Hiring new e...
Le blog de Modern' Compétition - Le Blog des Stages Modern'Compétition (Slalom Géant, Slalom Spécial, Parallèle...) de l'ESF d'Aime La Plagne.
Le blog de Modern' Compétition. Le Blog des Stages Modern'Compétition (Slalom Géant, Slalom Spécial, Parallèle.) de l'ESF d'Aime La Plagne. Stage du 21 au 26 Avril 2013. Stage du 10 au 15 Mars 2013. Stage du 3 au 8 Mars 2013. Stage du 24 Février au 1 Mars. Stage du 28 janvier au 1 janvier 2013. Stage du 30 Décembre 2012 au 4 janvier 2013. Stage du 23 Décembre 2012 au 28 Décembre 2012. Stage du 21 au 26 Avril 2013. 24 Avril 2013, 07:19am. Publié par Modern' Compétition. Stage du 10 au 15 Mars 2013. Avec :...
SOCIAL ENGAGEMENT