nosql query example

An example given below forOracle Forms, when a value exists thenExecute QueryFor this value to display the correspondent record else allow user to create a new record for that value.The following is the example given for HR Schema employee table, in this example user would enter an Empoyee ID and if the Employee ID exists It would

Example of IP address query using Web Service Instance 01 implements a simple Web Service Access This instance implements the IP address query interface service and returns the province, city, and region where the IP address is located based on the IP address input by the user. The instance will use the IP address library for information

Use this SQL statement select * from tree View the raw data as follows: The following figure shows the result of a tree query (including the fields root, level, is_leaf, and Path ): Execute the following SQL statement: select connect_by_root(child_col) root, level , decode(connect_by_isleaf,0,'No',1,'Yes') is_leaf, sys_connect_by_path(child_col,'/') pathfrom treestart with parent_col is null connect by prior child_col=parent_col; The focus of tr

This article mainly introduces the MVC cross-database Multi-table federated dynamic Condition query, which is based on the example form, and analyzes the implementation technique of the multi-database multiple-table joint query function of ASP. This paper describes the MVC Multi-table federated dynamic Condition query

PHP + Mysql is the most frequently used golden partner. They can work together to achieve the best performance. Of course, if they are used with Apache, they will be more Perfect. Therefore, you need to optimize the mysql query. The following is a simple example to show the impact of different SQL statements on the query speed: There is such a table test, which h

　　Calling the database class fileInclude ("REN.class.php");　　Defining objects$a =new REN ();　　Set the default value of the user name to NULL$name = "";　　Determine if there is content in the submission textif (!empty ($_post) $_post!= ""){　　　　If any, assign the content to the name variable$name =$_post["name"];}　　SQL statement to query from the database$sql = "SELECT * from people where name= ' {$name} '";　　Execute the SQL statement$attr = $a->

An example of capturing information from another website (domain name query) If (isset ($ xx )){ $ Dodo = @ file ("http://www.e9china.com/cgi-bin/comdns.pl? Raw = 1 lookup = OK fqdn = ". $ fqdn. " domain = ". $ domain. " root = ". $ root. cdomain = 2.7 "); $ I = 0; While ($ dodo [$ I]) { Echo $ dodo [$ I]; $ I ++; } Exit; } ?> If (isset ($ submit )){ If ($ domain = "") {echo "enter domain name"; exit ;}

CopyCode The Code is as follows :/* * Function: encode the URL * Parameter description: $ web_url URL, which does not contain "http: //", for example, jb51.net */ Function hashurl ($ URL ){ $ Seed = "Mining PageRank is against Google's Terms of Service. Yes, I'm talking to you, scammer ."; $ Result = 0x01020345; For ($ I = 0; $ I { $ Result ^ = ord ($ seed {$ I % 87}) ^ ord ($ URL {$ I }); $ Result = ($ result> 23) 0x1ff) | $ result } Return sprintf

=tb_ Info.xuesheng and tb_chengji.yuwen>=100;+----+-----------+---------+--------+-------+| ID | Xuesheng | Xingbie | Dizhi | Yuwen |+----+-----------+---------+--------+-------+| 1 | Mane | Male | Winger | 115 || 3 | Lallana | Women | Midfield | 100 |+----+-----------+---------+--------+-------+2 rows in Set (0.08 sec)Example 2Select Tb_info.id,tb_chengji.xuesheng,xingbie,dizhi,yuwen from Tb_chengji,tb_info where tb_chengji.yuwen>= ;+----+-----------

Use the example to explain how to optimize the database query by using the prefetch_related () function in the Django framework in Python, pythondjango Instance background Assume that the Personal Information System must record the home, residence, and city of each individual in the system. The database design is as follows: The content of Models. py is as follows: from django.db import models class Provin

This article is an example of how Symfony2 uses doctrine to query database queries. Share to everyone for your reference, specific as follows: Variables used in the predefined text: $em = $this->getdoctrine ()->getentitymanager (); $repository = $em->getrepository (' acmestorebundle:product ') 1. Basic methods $repository->find ($id); $repository->findall (); $repository->findonebyna

=mssql_query ("SELECT * from News ORDER BY date Desc", $db);$roro =mssql_num_rows ($query);if ($roro ==0) {echo "";Exit}Mssql_data_seek ($query, $dangqian);$i = 0;while ($arr =mssql_fetch_array ($query)) {if ($i >= $userperpage) {break;}echo " \ n "; echo " $arr [title]\ n "; $datee =date ("y-m-d", $arr [Date]); echo " $datee\ n "; echo "

C # query txt text (code example ),C # query txt text (code example) ''' // Introduce the namespace using System. IO; using System. text; // method 1 public static void txtReading2 () {// open a Text File, read all rows, and close this document string str1 = File. readAllText (@ "D: \ flie.txt"); // you can specify the

into depts values (' 02 ', ' Edit two '), insert into depts values (' 03 ' , ' edit three '); INSERT into depts values (' 04 ', ' Edit Four ');--Book and Author Association Table (BOOKMAP) CREATE TABLE Bookmap (Book_idvarchar), a_id varchar (4)) insert into BOOKMAP values (' 001 ', ' n '), insert into bookmap values (' 002 ', ' n '), insert into bookmap values (' 003 ', ' n '), insert into bookmap values (' 004 ', ' n '), insert into bookmap values (' 004 ', ' "."), insert into bookmap values (

This article mainly introduces the ZF Framework's DB Class select query Join list Use example, the need for friends can refer to the following The Zend framework's query join () list uses the example nbsp; nbsp; code as follows: ; nbsp;

Http://qdlover.yeah.net An example of a oracle+php query Originally I do not use PHP, but still have a lot of friends asked me, I did an example, the specific function please check the manual In fact, the Oracle function is similar to anything else, except that it has a process for defining output variables, If the people who have studied pl/sql know (but heard t

)@Path ("Testrest") @Servicepublic class Testrest {@Autowiredprivate testservice testservice; @GET @Path ("test") public String Test () {Duplicatevaluetypemodel model = Testservice.getid (1); return "Rest (" +model.getduplicatevaluetypeid () + " , "+model.getname () +") ";}}The rest access path to the above code is:The project has not been fully organized, only to achieve the database query, followed by the completion of the code, the first place the