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title: SQLTransaction
---
# SQLTransaction
允许对资料库的 SQL 语句的执行。
## 方法
* **executeSql**: 执行一个 SQL 语句。
## 详细资讯
调用 `Database` 物件的交易方法，刀路 `SQLTransaction` 指定的回档方法的物件。
## 支援的平台
* Android 系统
* 黑莓手机 WebWorks （OS 6.0 和更高）
* iOS
* Tizen
## 执行 SQL 快速示例
function populateDB(tx) {
tx.executeSql('DROP TABLE IF EXISTS DEMO');
tx.executeSql('CREATE TABLE IF NOT EXISTS DEMO (id unique, data)');
tx.executeSql('INSERT INTO DEMO (id, data) VALUES (1, "First row")');
tx.executeSql('INSERT INTO DEMO (id, data) VALUES (2, "Second row")');
}
function errorCB(err) {
alert("Error processing SQL: "+err);
}
function successCB() {
alert("success!");
}
var db = window.openDatabase("Database", "1.0", "Cordova Demo", 200000);
db.transaction(populateDB, errorCB, successCB);
## 完整的示例
Storage Example
Example
SQLTransaction