SQL2005解密已经被加密的存储过程 第一步：打开DAC连接功能 第二步：在MASTER数据库创建一个解密存储过程 1 USE master . ( , ) 王成辉翻译整理，转贴请注明出自微软BI开拓者 10 调用形式为： 11 exec dbo.sp__windbi$decrypt @procedure,0 12 如果第二个参
SQL2005解密已经被加密的存储过程
第一步：打开DAC连接功能
第二步：在MASTER数据库创建一个解密存储过程
1 USE master .( , ) 王成辉翻译整理，转贴请注明出自微软BI开拓者 10 调用形式为： 11 exec dbo.sp__windbi$decrypt @procedure,0 12 如果第二个参数使用1的话，，会给出该存储过程的一些提示。 13 --版本4.0 修正存储过程过长解密出来是空白的问题 NOCOUNT , , , (subobjid) 29 FROM sys.sysobjvalues (@procedure) ((MAX) (MAX) (MAX) (MAX) , (MAX) (2) , (MAX) type, (parent_object_id) 43 FROM sys.objects (@procedure) ( imageval 48 FROM sys.sysobjvalues ( subobjid 51 ) #output 54 ( (1, 1) , (MAX) 58 ) WITH ENCRYPTION AS select 1 ((MAX)), ) () RETURNS INT WITH ENCRYPTION AS BEGIN RETURN 1 ((MAX)), ) WITH ENCRYPTION AS select 1 as col ((MAX)), ) ,16,10) ((MAX)), ) (@fake_01) ( imageval 88 FROM sys.sysobjvalues ( subobjid 91 ) WITH ENCRYPTION AS select 1 ((MAX)), ) () RETURNS INT WITH ENCRYPTION AS BEGIN RETURN 1 ((MAX)), ) WITH ENCRYPTION AS select 1 as col ((MAX)), ) ,16,10) ((MAX)), ) ((MAX)), 115 ( DATALENGTH(@real_01) / 2 )) ( DATALENGTH(@real_01) / 2 ) (@real_decrypt_01, @intProcSpace, 1, 124 NCHAR(UNICODE(SUBSTRING(@real_01, 125 @intProcSpace, 1)) ^ ( UNICODE(SUBSTRING(@fake_01, (SUBSTRING(@fake_encrypt_01, 127 @intProcSpace, 1)) ))) #output ( real_decrypt ) SYSNAME , , , , , , , , , (MAX) , (255) #CommentText 152 ( 153 LineId INT , (255) COLLATE database_default 155 ) ms_crs_syscom CURSOR LOCAL real_decrypt 160 FROM #output ident ms_crs_syscom ms_crs_syscom (@SyscomText) (CHAR(13) + CHAR(10), 177 @SyscomText, @BasePos) ( ) ( ISNULL(LEN(@Line), ) 186 INSERT #CommentText 187 VALUES ( @LineId, (SUBSTRING(@SyscomText, 189 @BasePos, 190 @AddOnLen), N'') ) , , , (@Line, N'') + ISNULL(SUBSTRING(@SyscomText, 196 @BasePos, ), 198 N'') #CommentText 201 VALUES ( @LineId, @Line ) ( ) ( ISNULL(LEN(@Line), ) 215 INSERT #CommentText 216 VALUES ( @LineId, (SUBSTRING(@SyscomText, 218 @BasePos, 219 @AddOnLen), N'') ) , , , (@Line, N'') + ISNULL(SUBSTRING(@SyscomText, 226 @BasePos, ), 228 N'') ((' ', 230 @SyscomText, ) , ms_crs_syscom #CommentText 245 VALUES ( @LineId, @Line ) #CommentText LineId 249 CLOSE ms_crs_syscom 250 DEALLOCATE ms_crs_syscom #CommentText #output 258 GO
What are some tools you can use to monitor MySQL performance?Apr 23, 2025 am 12:21 AMHow to effectively monitor MySQL performance? Use tools such as mysqladmin, SHOWGLOBALSTATUS, PerconaMonitoring and Management (PMM), and MySQL EnterpriseMonitor. 1. Use mysqladmin to view the number of connections. 2. Use SHOWGLOBALSTATUS to view the query number. 3.PMM provides detailed performance data and graphical interface. 4.MySQLEnterpriseMonitor provides rich monitoring functions and alarm mechanisms.
How does MySQL differ from SQL Server?Apr 23, 2025 am 12:20 AMThe difference between MySQL and SQLServer is: 1) MySQL is open source and suitable for web and embedded systems, 2) SQLServer is a commercial product of Microsoft and is suitable for enterprise-level applications. There are significant differences between the two in storage engine, performance optimization and application scenarios. When choosing, you need to consider project size and future scalability.
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How do you create and manage user accounts in MySQL?Apr 22, 2025 pm 06:05 PMThe steps to create and manage user accounts in MySQL are as follows: 1. Create a user: Use CREATEUSER'newuser'@'localhost'IDENTIFIEDBY'password'; 2. Assign permissions: Use GRANTSELECT, INSERT, UPDATEONmydatabase.TO'newuser'@'localhost'; 3. Fix permission error: Use REVOKEALLPRIVILEGESONmydatabase.FROM'newuser'@'localhost'; then reassign permissions; 4. Optimization permissions: Use SHOWGRA
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What are the disadvantages of using MySQL compared to other relational databases?Apr 22, 2025 pm 05:49 PMThe disadvantages of MySQL compared to other relational databases include: 1. Performance issues: You may encounter bottlenecks when processing large-scale data, and PostgreSQL performs better in complex queries and big data processing. 2. Scalability: The horizontal scaling ability is not as good as Google Spanner and Amazon Aurora. 3. Functional limitations: Not as good as PostgreSQL and Oracle in advanced functions, some functions require more custom code and maintenance.
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