Supermap iserver client space query Association attribute filtering example, supermapiserver
Click to query and filter sample code based on Attribute Conditions
// Associate the External table
Var joinItem = new SuperMap. REST. JoinItem ({ForeignTableName: "V_REGION_LAND ",
JoinFilter: "BBS_PARCEL.CADASTRALNO = V_REGION_LAND.CADASTRALNO ",
JoinType: "INNERJOIN"
}
Example of storage and query for MSSQL server tree structureDatabase Tutorial design often encounter the need to store tree structure, such as employee Relationship table, organization chart, and so on.
SQL code
--Test data
CREATE TABLE #employees (
Employeecode varchar NOT NULL primary key clustered,
Reporttocode varchar () null)
Go
INSERT into #employees values (' a ', null)
INSERT into
This example enables Destoon multiple table queries. There is a high practical value in the development of Destoon two times. The implementation methods are as follows:
1. template file section
The specific code is as follows:
2.php Code Section
Implement destoon multiple table query code as follows:
function Getsell ($uname) {
global $db;
$lists = Array ();
$result = $db->
Tags: style blog color io ar data div art--person created: Zengfanlong--Creation time: the-7- - Ten:Wuyi: the--Note: According to the company shorthand code to obtain the current gas cylinder profile data to be synchronized (page get) ALTER PROCEDURE [Up_gasbottles_getsyncdata_bypage] (@CompanyAbbrCode NVARCHAR ( 255) ="', @LatastRowVersion_BigInt BigInt, @CurrentMaxRowVersion_BigInt BigInt, @StartPageIndex INT=0, @EndPageIndex INT=0, @TotalCount INT OUTPUT) As BEGIN--(1), define SQL
Example 1:Using this query, you get the value of Ifavoriteid,ifavusertype, Cuser,iarticleid,dfavoritetime five fields:SELECT Ifavoriteid,case where Ifavusertype = 0 Then ' news manager 'When ifavusertype = 1 Then ' merchant 'When ifavusertype = 2 Then ' member 'END As Ifavusertype, Cuser, iarticleid,convert (nvarchar (+), Dfavoritetime, 111) as DfavoritetimeFrom Dig_favorite;
SQL Example 9– subqueryDatabase PreparationCreate Table Student(IDintAuto_incrementPrimary Key,name varchar(10));Create Table scores(IDintAuto_incrementPRIMARY Key, scoreint default0,Foreign Key(ID)ReferencesStudent (ID) on Delete Cascade on Update Cascade);A subquery can return a scalar, a row, a column, or a subquerySELECT * from t1 where column1 = (select Column1 from T2);The first select is called an outer qu
the Action column, fill in the address of the page you want to query processing, here we use searchdo.asp to deal with. This page we are creating later. These are all set up after this page to save as search.asp, our delivery value of the first page is done.
Next we create a second page, which is searchdo.asp. As usual, open the Panel that created the recordset, as shown in figure. Do you see any different places? Yes, there is a form Variable in
' √ '
Else
"'
End) allow null, IsNull (E.text,"') default value, IsNull (g.value,"') asDescription fromSyscolumns A Left JoinSystypes b onA.xtype = B.xusertypeInner Joinsysobjects D ona.ID = D.id andD.xtype =' U '
andD.name ' dtproperties '
Left Joinsyscomments E onA.cdefault = e.id Left JoinSys.extended_properties g ona.ID = g.major_id andA.colid = g.minor_id Left JoinSys.extended_properties F onD.id = F.class andf.minor_id =0
whereB.name is not NUL
vector type which contains three parameters, one is contains the two parameter the array type, here we want to continue the demonstration with the vector type.
After the cursor flashes inside the parentheses, select the F2 cell in the red box with the mouse, and enter a half-width comma.
Enter the half corner comma, with the left mouse button to live N3 cell don't let go, drag down to the N9 cell, that is, select the area of the height range, and then enter a half-widt
MySQL Connection query:Mysql connection queries support multiple table joinsYou can repeat multiple connections to the same table (aliases are important when you concatenate the same table multiple times)Example 1:Here are 2 sheetsTeams tableMatch result table: ResultProblem:Draw a table:Home team, away, race results, race timeMethod One: (sub-query and join query
An example of using a temporary table to query data is for your reference.
The code is as follows:
$ Sql3 = "create temporary table atmp_table (uid int (11), dnum int (20) not null )";
Mysql_query ($ sql3 );
$ Sql3 = "INSERT into atmp_table (uid, dnum) SELECT uid, count (soid) as dnum
FROM 'cy _ score2'
Where (nei = 'download' or nei = 'download test ')
Group by uid having dnum> 150
Order by dnum d
Simple ORACLE Statement (add, delete, modify, and query) and code example// Create user c # name identified by password; // naming rule: 1 Name must start with a letter, 2 length cannot exceed 30 characters (60 bytes ), 3 cannot use oracle reserved words
MySQL left join multi-Table query where condition writing example, mysql left join
Copy codeThe Code is as follows:Select * from _ test a left join _ test B on. id = B. id where. level = '20' and. month = '04 'and B. level = '20' and B. month = '03 ';
Select. *, B. * from (select * from _ test where level = '20' and month = '04 ') as a left join (select * from _ test where level = '20' and month = '03') a
This is a creation in
Article, where the information may have evolved or changed.
Golang mongodb MgO Insert, query a small example, Golang still give me that feeling, than Nodejs write up comfortable. Package main import ("FMT" "Launchpad.net/mgo" "Launchpad.net/mgo/bson") type Mail struct {Id Bson. ObjectId "_id" Name string Email String} func Main () {//Connect to database session, err: = MgO. Dial ("127.
Example of MyBatis association query:[Html]
[SQL]Select u. user_id, u. username, u. loginname, u. password, r. role_id, r. role_name, u. last_loginFrom tb_user uLeft join tb_role r on u. role_id = r. role_idWhere u. status = 0And u. loginname like "%" # {loginname} "%"And u. role_id =#{ roleId}And u. last_login >=#{ lastLoginStart}And u. last_login Author: jpr1990
1. Create a large class of bookspublic class Book {private string name;private int num, public book (String name,int num) {this.name=name;this.num=num;} Public String GetName () {return name;} public void SetName (String name) {this.name=name;} public int Getnum () {return num;} public void setnum (int num) {this.num=num;}}2. Custom ExceptionsPublic class Noexistexception extends Exception{public noexistexception (String message) {super (message); Public noexistexception () {}}3. Main programIm
{ $this->ajaxreturn ("on", "eval"); } } }In the module view (show page) View folder first create a good Ajax folder (for the Ajax controller), and then create a ajax.html page (representing your custom METHOD)In the module view (show page) View folder first create a good Ajax folder (for the Ajax controller), and then create a addajax.html page (representing your custom METHOD) $("#btn"). Click (function(){ varCode = $ ("#code").Val (); varName
The and symbol determines that multiple columns exist: {"Filter": {"and": [{"Exists": {"Field": "Sid"}},{"Exists": {"Field": "Level"}}]}} BOOL Combination {"Filter": {"and": [{"or": [{"Match_phrase": {"DisplayName": "S"}},{"Match_phrase": {"DisplayName": "L"}}]},{"Match_phrase": {"DisplayName": "A"}},{' Not ': {"Match_phrase": {"displayname": "P"}}}]}} Note: Similar and symbols replaced with bool must actually result in the same;Elasticsearch determining multi-column existence, BOOL conditional
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.