execsp_configure'show advanced options',1;reconfigure;execsp_configure'xp_cmdshell',1;reconfigure; EXECsp_configure'show advanced options',1;RECONFIGURE;EXECsp_configure'xp_cmdshell',1;RECONFIGURE; 关闭xp_cmdshell EXECsp_configure'show advanced options',1;RECONFIGURE;EXECsp_configure'xp_cmdshell',0;...
$un,$pw);if(!$conn)die('数据库连接错误:'.mysql_error());mysql_select_db($db,$conn);$sql="select id, info from sqlinj where id=$id";$res=mysql_query($sql,$conn);if(!$res)die('数据库错误:'.mysql
Although you can protect your Access database by using the Trust Center and by encrypting the database, SQL Server has more advanced security features. Let’s look at three capabilities that stand out for the Access user. For more information, see Securing SQL Server. Databa...
to the instance of SQL Server to get the source data. objConn.Open "provider=SQLOLEDB;server=(local);database=tempdb;integrated security=SSPI" Set objCmd.ActiveConnection = objConn objCmd.CommandText = "SELECT CustomerID, CompanyName, City FROM Customers FOR XML AUTO, ELEMENTS" ' Open the ...
OPENROWSETcan be used to access remote data from OLE DB data sources only when theDisallowAdhocAccessregistry option is explicitly set to 0 for the specified provider, and the Ad Hoc Distributed Queries advanced configuration option is enabled. When these options aren't set, the default behavior...
Building a View Pages 307-328 Stored Procedures and Functions Pages 329-353 T-SQL Essentials Pages 355-393 Advanced T-SQL Pages 395-416 Triggers Pages 417-438 SQL Server 2008 Reporting Services Pages 439-457 Back Matter Pages 459-471 Download chapter PDF Back to top Abo...
Advanced SQL Introduction Leveling up Learn advanced SQL to take your analysis to the next level Start Now Lesson 1 SQL Data Types Learn about SQL data types and how to change a column's data type using CONVERT and CAST. Start Now Lesson 2 SQL Date Format Learn how dates and times are ...
FL 500The CREATE TRIGGER (advanced) statement defines an advanced trigger in a schema and builds a trigger package at the current server. Each time that the trigger activates, the trigger package executes one or more times. FL 500For a description of the differences between basic and advanced ...
Basic SQL SQL joins SQL Aggregations SQL Subqueries & Temporary Tables SQL Data Cleaning [Advanced] SQL Window Functions [Advanced] SQL Advanced JOINS & Performance Tuning 下面以第一节课为例,老师先是通过视频的形式讲解相关的概念: 美国人嘛,自然语音纯正,听起来也容易,毕竟SQL的内容也不是很难。 再附...
Basic SQL SQL joins SQL Aggregations SQL Subqueries & Temporary Tables SQL Data Cleaning [Advanced] SQL Window Functions [Advanced] SQL Advanced JOINS & Performance Tuning 下面以第一节课为例,老师先是通过视频的形式讲解相关的概念: 美国人嘛,自然语音纯正,听起来也容易,毕竟SQL的内容也不是很难。 再附...