Tag: SQL Integrating GraphQL and SQL with AWS AppSync, AWS Lambda and Amazon RDS Proxy AWS AppSync and the GraphQL Info Object AWS AppSync adds quick-start sample for Amazon Aurora
Tag: SQL Integrating GraphQL and SQL with AWS AppSync, AWS Lambda and Amazon RDS Proxy AWS AppSync and the GraphQL Info Object AWS AppSync adds quick-start sample for Amazon Aurora
51 Commits haskell include src tests .gitignore Makefile README.md parsesql.sh sql_grammar_condensed.txt sqlparser.docx README chiDB SQL Compiler Front-End This is a SQL Parser and compiler frontent which can parse a reasonably large subset of SQL. The parser is generated by lex and yacc...
front()); } 通过上面流程就可以根据 QueryPlan 构建出一个完整的 QueryPipeline(也就是最后返回的 last_pipeline)。 第一个算子的updatePipeline()方法中会调用initializePipeline(),后续的算子的updatePipeline()方法会调用transformPipeline()方法。想想也合理,第一个算子初始化 Pipeline,后续算子只需要把 Transformer...
1、客户端与Front-end机器建立连接,Front-end验证是否支持客户端的操作,如CREATE DATABASE这样的操作只能通过Azure实用工具执行; 2、Front-end网关机器与客户端进行SSL协议握手认证,如果客户端拒绝使用SSL协议则断开连接。这个过程中还将执行防攻击保护,比如拒绝某个或某一段范围IP地址频繁访问; ...
EmacSQL is a high-level Emacs Lisp front-end for SQLite.PostgreSQL and MySQL are also supported, but use of these connectors is not recommended.Any readable lisp value can be stored as a value in EmacSQL, including numbers, strings, symbols, lists, vectors, and closures. EmacSQL has no ...
USE AdventureWorks2022; GO DECLARE @MyTableVar TABLE ( SummaryBefore NVARCHAR(max), SummaryAfter NVARCHAR(max)); UPDATE Production.Document SET DocumentSummary .WRITE (N'features',28,10) OUTPUT deleted.DocumentSummary, inserted.DocumentSummary INTO @MyTableVar WHERE Title = N'Front Reflector Bracket...
USE AdventureWorks2022; GO DECLARE @MyTableVar TABLE ( SummaryBefore NVARCHAR(max), SummaryAfter NVARCHAR(max)); UPDATE Production.Document SET DocumentSummary .WRITE (N'features',28,10) OUTPUT deleted.DocumentSummary, inserted.DocumentSummary INTO @MyTableVar WHERE Title = N'Front Reflector Bracket...
SQL 复制 -- Uses AdventureWorks UPDATE DimEmployee SET EndDate = '2010-12-31', CurrentFlag='False'; 也可以在 UPDATE 语句中使用计算值。 下面的示例将 ListPrice 表中所有行的 Product 列的值加倍。SQL 复制 -- Uses AdventureWorks UPDATE DimEmployee SET BaseRate = BaseRate * 2; ...