websql database api

this domain. Localstorage can only store simple format data key-value this data format, and Websql storage scheme provides a table similar to relational database, capable of manipulating the database in the form of SQL statements. Websql is also easy to use:you can read the Web SQL

HTML5 's Web SQL database implements Simple object persistence with local and session storage, dealing with cumbersome relational data. This is described in the Web SQL Database Specification for the Consortium (referenced): Web SQL database introduces an API that uses SQL to manipulate client databases (Client-side

Label:The common operation of the Websql is a package, the project is based on PhoneGap, but the PHONEGAP default has integrated the database operation plug-in, so no need to configure what, directly use can be:/*** Database Operation helper class, define object, data operation method are defined here */var dbname= ' mydb '; var version= ' 1.1 '; var dbdesc= ' my

Recently our app is not very good, because it is a problem, submit the function of the topic, before just from the app to submit the wrong problem to the server, the service side is the answer, check the right answer, return the result set, now a lot of users reflect, submission speed is very slow, many times, are submitted unsuccessful, so the leader let me put the topic , the task of verifying the problem is also given to the front end, the service side only accepts and stores the wrong proble

Tags: tle back javascrip meta utf-8 exec script Bottom ItemHTML code: 　　 JS Code: /** * HTML5 Operation local WEBSQL database * Wang * Time: 2017/08/26 15:03:19 */var datatable = null; var db = OpenDatabase ("MyData", "", "My Database", 1024 * 100); Initialize function method functions init () {datatable = document.getElementById ("DataTable"); ShowAllData ();

HTML5 webSQL dynamic query of front-end database tables // HTML5 web SQL queries data $ scope. queryCenterReimbursData = function (keyword, querycol) {var lencr = 0; // concatenate sqlvar condition =; // filter condition var conditiontemp =; // var querycrsql =; // execute SQLvar queryzxcols = new Array (); // queryzxcols = [1, 2] var selcolsql =; // query the field for (var I = 0; I 0) {if (lencr

HTML5 webSQL dynamically queries the front-end database table, html5websql // HTML5 web SQL queries data $ scope. queryCenterReimbursData = function (keyword, querycol) {var lencr = "0"; // concatenate sqlvar condition = ""; // filter condition var conditiontemp = ""; // temporary filter condition variable var querycrsql = ""; // finally execute SQLvar queryzxcols = new Array (); // queryzxcols = ["1 ", "2"

HTML5 WEB SQL query Data $scope.querycenterreimbursdata = function (keyword,querycol) {var lencr= "0";//Stitching Sqlvar condition= "" ;//Spell filter condition var conditiontemp= "";//temporary filter condition variable var querycrsql= "";//Last Execution Sqlvar queryzxcols=new Array ();//queryzxcols = ["1", " 2 "]var selcolsql=" ";//spelling query field for (Var i=0;iArray of stitched JSON objects[{"AKB020": "00001","AKB021": "Service Station 1","AKA020": "Ftqcxdjdyhzsqwsfwz"},{"AKB020": "0000

Label:In addition to Sessionstorage and Localstorage, HTML5 also supports local data storage via a local database, and HTML5 uses the "SQLite" file-based database, which is more concentrated on embedded devices and is familiar with ios/ Android development students, should be familiar with SQLite database. Websql allo

object User.load ( "6c22fd66801c41728ae5a6bce0a8ee54", function (user) {Console.log (user.name); }); // query out ID " 6c22fd66801c41728ae5a6bce0a8ee54 "User object User.findby (" name "," Mark ", function 　　 // query out name is Mark's User object The querycollection,persistence.js returned for the query provides rich extensibility capabilities to organize the data in the collection, such as Filter,or,and,order,limit, and so on, where interested readers can Persistence.js's offi

The WordPress Option API is a database storage mechanism provided to developers, which can be quickly and safely stored in a database (both in the Wp_options table) by invoking functions.The pattern for each setting is Key–value, which facilitates expansion. The Option API is not just for themes and plugin developers,

Python Connection database learning DB-API details, pythondb-api Preface Everyone knows that if you want to connect to a database in Python, whether it is MySQL, SQL Server, PostgreSQL, or SQLite, the cursor method is used, so you have to learn Python DB-API. All of Python's

not support using the following connection method in Linux S=pyodbc.connect ('driver={sql Server}; Server=127.0.0.0;database=test; Uid=test; Pwd=test') The proper way to connect MSSQL on Linux is S=pyodbc.connect ('Driver={freetds}; Server=127.0.0.0;database=test; UID=IDC; Pwd=test') 2 ODBC connecting to a database /ODBC Connect

', ' tempdb ', ' model ', ' msdb ') ") - forDbinchRe: + Try: - #Select Databases +Cur.execute ("Use %s"%db[0]) A except: at Continue - #Show Tables -Re = execute (cur,"SELECT * from INFORMATION_SCHEMA. TABLES") - - forIinchRe: - Print(i) in -Cur.execute ('Use ITP') to Print('{:-^30}'. Format ('TABLES')) +Re = execute (cur,"SELECT * from INFORMATION_SCHEMA. TABLES") - forTbinchRe: the Print('\n{:

Tags: img fuzzy query def characters using target ESC methodSeries Catalogue Learn more about the. Net Core WEB API Development Series Catalog The source code involved in this series: Https://github.com/seabluescn/Blog_WebApi I. Overview This article discusses how to connect to a database, including connecting to SQL Server and connecting to MySQL, and then doing some basic data manipulation. Second, conn

Label:The last Query method: Api-medoo using the last query method of Medoo to obtain the final information of DB. As the last article of Medoo, this article will show how to use the Info method to obtain database information. Database Information method: info API Obtain database