您好,我正在尝试将三个字段存储在 IndexedDB 中。它在浏览器中显示了每三个索引的名称.. content、content2 和 content3。但是,数据仅保存到 content3 中?
这是我的源代码:
<script type="text/javascript">
var request = indexedDB.open("synker");
var db;
request.onupgradeneeded = function() {
// The database did not previously exist, so create object stores and indexes.
db = request.result;
var store = db.createObjectStore("notes", {keyPath: "ID"});
store.createIndex("content","content", { unique: false });
store.createIndex("content2","content2", { unique: false });
store.createIndex("content3","content3", { unique: false });
};
request.onsuccess = function() {
db = request.result;
};
function addData(data) {
var tx = db.transaction("notes", "readwrite");
var store = tx.objectStore("notes");
store.put({content: …Run Code Online (Sandbox Code Playgroud) 我正在尝试在 SQL Server 数据库中创建临时表。有谁熟悉 SQL Server 中的此错误:
消息 2760,级别 16,状态 1,第 5 行 指定的架构名称“items”不存在,或者您无权使用它。
我认为我的用户权限可能有问题。任何帮助都会很棒。
这是代码:
CREATE TABLE [items].[items_Temporal](
[itemsID] [int] NOT NULL,
[item_Name] [varchar](50) NOT NULL,
[item_Number] [int] NOT NULL,
[item_Price] [float] NOT NULL,
ValidFrom datetime2(7) GENERATED ALWAYS AS ROW START HIDDEN NOT NULL,
ValidTo datetime2(7) GENERATED ALWAYS AS ROW END HIDDEN NOT NULL,
CONSTRAINT [PK_items_Temporal_items1ID] PRIMARY KEY CLUSTERED
(
[itemsID] ASC
),
PERIOD FOR SYSTEM_TIME(ValidFrom, ValidTo)
)
WITH(SYSTEM_VERSIONING = ON (HISTORY_TABLE = [items].[items_Temporal_History]));
Run Code Online (Sandbox Code Playgroud)