Distributed CQL Made Easy

نویسندگان

  • Robert Soulé
  • Martin Hirzel
  • Robert Grimm
  • Buğra Gedik
چکیده

This talk is about making it easy to implement a distributed CQL. CQL is a continuous query language that extends SQL with a notion of windows over infinite streams of data. Programmers like using CQL, because its syntax is already familiar to them from their experience with other database-backed applications. CQL was originally designed to target a single node implementation of the Stanford Stream Data Management System. However, as streaming applications are expected to process larger and larger amounts of data at faster and faster rates, CQL will need to scale to run on clusters of machines.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

The Cube-Query-Languages (CQL) for Multidimensional Statistical and Scientific Database Systems

The “Cube-Query-Language” (CQL) is a new query language forjexible access to Multidimensional Database Systems. CQL provides a high level user intelface for specifying queries in the context of multidimensional data analysis. The multidimensional view is widely accepted for typical decision support requirements like “Online Analytical Processing “. CQL directly supports this view and circumvent...

متن کامل

Extension of CQL over Dynamic Databases

CQL, Continuous Query Language is suitable for data stream queries. Sometimes it is better if the queries operate on relational databases and data streams simultaneously. The execution of a CQL query takes a long time (several hours, days or even more). It is not clear what kind of semantics is suitable for the user when the database is updated during the execution of a CQL query. In this paper...

متن کامل

Querying Multi-word Expressions Annotation with CQL

This paper demonstrates a solution for querying corpora with multi-word expression (MWE) annotation using a concordance system. Namely, the PARSEME multilingual corpora, which contain manually annotated verbal multi-word expression (VMWE) in 18 languages, are converted to a suitable vertical format so that they can be explored using the Corpus Query Language (CQL). VMWEs encompass a range of ca...

متن کامل

Subacute myelo-optic neuropathy and clioquinol. An epidemiological case-history for diagnosis.

Between about 1955 and 1970, some 100,000 Japanese were diagnosed as having subacute myelooptic neuropathy (SMON), a new disease characterized by abdominal and neurological manifestations, the former nearly always preceding the latter. Circumstantial evidence obtained in 1969-70 suggested that SMON might have been caused by clioquinol (CQL), a gastrointestinal disinfectant, and led to the suspe...

متن کامل

cql - A Flat File Database Query Language

cql is a UNIX system tool that applies C style query expressions to flat file databases. In some respects it is yet another addition to the toolbox of programmable file filters: grep [Hume88], sh [Bour78][BK89], awk [AKW88], and perl [Wall]. However, by restricting its problem domain, cql takes advantage of optimizations not available to these more general purpose tools. This paper describes t...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2011