代码运行次数:0 运行 AI代码解释 select*from table where xxxforupdate 3.for update的锁表 InnoDB默认是行级别的锁,当有明确指定的主键时候,是行级锁。否则是表级别。 例子: 假设表foods ,存在有id跟name、status三个字段,id是主键,status有索引。 例1: (明确指定主键,并且有此记录,行级锁) 代码语言:jav...
代码语言:javascript 代码运行次数:0 运行 AI代码解释 CREATETABLE`user_info_tab`(`id`intNOTNULLAUTO_INCREMENT,`user_name`varchar(255)DEFAULTNULL,`age`intDEFAULTNULL,`city`varchar(255)DEFAULTNULL,`status`varchar(4)NOTNULLDEFAULT'0',PRIMARYKEY(`id`),UNIQUEKEY`idx_user_name`(`user_name`)USINGBTR...
Skip to main contentSkip to in-page navigation Table of contents Exit focus mode Add Table of contents Add Share via Facebook x.com LinkedIn Email Print Virtual Machines - Create Or UpdateReference Feedback Service: Compute API Version: 2024-11-01 The operation to create or update a ...
RouteTable Object 路由表資源。 展開資料表 名稱類型Description etag string 每當更新資源時變更的唯一隻讀字串。 id string 資源標識碼。 location string 資源位置。 name string 資源名稱。 properties.disableBgpRoutePropagation boolean 是否要停用 BGP 在該路由表上學習的路由。 True 表示停用。 proper...
Windows Vista (all editions)Reference tableThe following table contains the security update information for this software. Security update file names For Internet Explorer 7 in all supported 32-bit editions of Windows Vista:Windows6.0-KB3032359-x86.msu For Internet Explorer 7 in all su...
with a UniqueValueRenderer and a SizeInfo visualVariable to depict traffic counts in Florida. Notice how the legend label for each symbol of the UniqueValueRenderer is created inside eachaddValue()method. Similarly, the numbers for the traffic counts in the legend are set in thesizeInfoobject....
"JSONMappingParameters": { "RecordRowPath": "string" } }, "RecordFormatType": "string" } }, "S3ReferenceDataSourceUpdate": { "BucketARNUpdate": "string", "FileKeyUpdate": "string", "ReferenceRoleARNUpdate": "string" }, "TableNameUpdate": "string" } ] }, "CurrentApplicationVersionId...
The English (United States) version of this software update installs files that have the attributes that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and tim...
Table of Contents SimpleSchema (simpl-schema NPM package) Installation Lingo The History of SimpleSchema Quick Start Validate an Object and Throw an Error Validate an Array of Objects and Throw an Error Validate an Object and Get the Errors Validate a MongoDB Update Document Automatically Clean...
Packages Overview:manage package updates with a table showing Package Name, Version, Type, File Name, Size, Last Modified and License Status ; includes bulk operations to delete, download and change the license status, and the ability to delete all the packages. Upload updates from your local ...