SQL 注入是一种攻击方式,在这种攻击方式中,恶意代码被插入到字符串中,然后将该字符串传递到 SQL Server 的实例以进行分析和执行。任何构成 SQL 语句的过程都应进行注入漏洞检查,因为 SQL Server 将执行其接收到的所有语法有效的查询。一个有经验的、坚定的攻击者甚至可以操作参数化数据。
If you want to create non-Microsoft Entra ID (Microsoft Entra ID) connections, use the connection string authentication option. Make sure that you provide the same Server name and Database name values as defined in your connection.Microsoft Entra ID authentication...
The Regex class contains a Matches method that returns a MatchCollection that you could use. The problem with the MatchCollection is that the entire string must be processed prior to the Matches method returning. SQL Server includes optimizations that depend on processing occurr...
If the value is in double-byte character set (DBCS) format, SQL Server will convert it to Unicode. If the language specified is not valid or there are no resources installed that correspond to that language, SQL Server returns an error. To use the neutral language resources, specify 0x0 ...
contains a Matches method that returns a MatchCollection that you could use. The problem with the MatchCollection is that the entire string must be processed prior to the Matches method returning. SQL Server includes optimizations that depend on processing occurring as needed, so ...
within a string literal keyword or value are preserved. Single or double quotation marks may be used within a connection string without using delimiters (for example, Data Source= my'Server or Data Source= my"Server), unless a quotation mark character is the first or last character in the ...
CHARACTER_SET_SC - 非保留 非保留 HEMA CHAR_LENGTH - 非保留 保留 CHECK 保留 保留 保留 CHECKED - 非保留 - CHECKPOINT 非保留 - - CLASS 非保留 保留 - CLEAN 非保留 - - CLASS_ORIGIN - 非保留 非保留 CLOB 非保留 保留 - CLOSE 非保留 保留 保留 ...
Cause: The command line argument specified for the TABLE parameter was not a valid string. It is also possible that the schema name or the table name overflowed the output buffer which allows for the maximum identifier size in the database character set. Action: Check the command line and ...
The input tofunction-namepassed to the code page conversion function contains a byte sequence that is not a valid character in the input code page,from-code-page. Each invalid byte sequence was replaced with the substitute character when converting toto-code-page. The inserted substitute character...
22021 A character is not in the coded character set or the conversion is not supported. 22023 A parameter or variable value is invalid. 22024 A NUL-terminated input host variable or parameter did not contain a NUL. 22025 The LIKE predicate string pattern contains an invalid occurrence of an ...