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SQL includes operators and functions for calculating values on stored values. SQL allows the use of expressions in the select list to project data, as in the following example, which returns a list of books that cost more than 100.00 with an additional sales_tax column containing a sales tax figure calculated at 6% of the price.
SQL is a well known query language and data manipulation language for relational databases; XQuery is a query language for XML data sources; XPath is a declarative language for navigating XML documents; YQL is an SQL-like query language created by Yahoo! Search engine query languages, e.g., as used by Google [5] or Bing [6]
SQL was initially developed at IBM by Donald D. Chamberlin and Raymond F. Boyce after learning about the relational model from Edgar F. Codd [12] in the early 1970s. [13] This version, initially called SEQUEL (Structured English Query Language), was designed to manipulate and retrieve data stored in IBM's original quasirelational database management system, System R, which a group at IBM San ...
The aim of the project is to draw up a full directory of missing content from Urdu Wikipedia organised by topic and sub topic as well as to tag existing articles which need major translation from the other language equivalent and begin to work towards creating the articles or improving an existing article. Once the directory is drawn up, the ...
Article list of "Wikipedia:featured lists" in Urdu # Articles in Urdu instance of Articles in English Count of languages 1: ترکیہ کے صوبے Provinces of Turkey: 73 2: اسرائیل کے شہر: Wikimedia list article List of cities in Israel: 61 3: نوبل انعام وصول کنندگان کی فہرست: Wikimedia list article
The table below lists the featured articles for a given "foreign-" (i.e., non-English-)language Wikipedia initially sorted by the number of corresponding articles in other Wikipedias. The "Languages" column indicates the number of articles on all Wikipedias corresponding to the other-language featured article; the "#" column provides a ranking ...
Topic name articles needing translation from Language name Wikipedia Example: for topic name Biography and Urdu we have: Biography articles needing translation from Urdu Wikipedia; create the category, e.g., Category:Biography articles needing translation from Urdu Wikipedia Add the following text, and save the page:
The command-line SQL Plus interface continues in use, mostly [citation needed] for non-interactive scripting or for administrative purposes. The Server Manager Command Line — a replacement of SQL*DBA — is obsolete and SQL Plus 8i and later allows the user to issue statements like STARTUP and SHUTDOWN when connected as SYSDBA.