West follow: the original article is from the exposure of database hackers-Database Server Protection Technology. If you really want to study database security, you can buy one to see if it supports genuine versions. This article is from Chapter
Functions are not supported in versions earlier than sybase12.5, but sometimes we need some functions, not just processes. Java can be used here, in addition, writing Java is certainly much better than writing a stored procedure. the ability or type
This article supporting the source code download
First, the preface
At present, many units in the system transformation and upgrading, faced with the development of various independent departments of the application of the database unified to
Character numeric type:
Char, varchar, long varchar
Nchar, nvarchar, long nvarchar
-Compatible data types are implemented through domains: sysname (varchar (30), text (long varchar domain), ntext (long nvarchar domain), and XML (long
Length and syntax analysisDatalength (char_expr)Returns the length of characters in char_expr, ignoring trailing null characters.Substring (expression, start, length)Returns some strings.Right (char_expr, int_expr)Returns the int_expr character on
Name:
Keyword: A string name used for lexical analysis as a constant, mainly used for lexical analysis.
Identifier: a string name used for lexical analysis as a variable to identify the object name.
Reserved Words. in lexical analysis,
I don't know how many people use Sybase for database development. With Sybase ase ado. net, the system is running normally after a lot of resistance is broken through. Further efforts should be made to increase data permissions. We used to judge
This function library is almost exactly the same as the SQL Server database function library, which is actually the first occurrence of this function before the SQL Server database function library appears.
Sybase and MS SQL Server 6.x are almost
SQL Server is a relational database management system that was originally developed by the Microsoft,sybase and ashton-tate three companies and launched the first OS/2 version in 1988. After Windows NT was launched, Microsoft and Sybase went their
New Functions of Sybase 12.5 versions
Sort by Sybase PPTNew Features of ase12.5.0.31. Performance Monitoring System TableA new set of system performance monitoring system tables. Using the information in these system tables, It is very convenient
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