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By using the same mechanics, a SQL procedure can also define a result set and return it directly to the caller of the SQL procedure or to a client application. A cursor can be viewed as a pointer to one row in a set of rows. The cursor can only reference one row at a time, but can move to other rows of the result set as needed.
Command protection level denied for policy reasons. 534: Request denied for policy reasons. 535: Failed security check. 536: Data protection level not supported by security mechanism. 537: Command protection level not supported by security mechanism. 550: Requested action not taken. File unavailable (e.g., file not found, no access). 551 ...
Li et al. claimed that "our return indirection technique essentially de-generalizes return-oriented programming back to the old style of return-into-libc." [ 24 ] Their proof-of-concept compiler included a peephole optimization phase to deal with "certain machine instructions which happen to contain the return opcode in their opcodes or ...
A classification of SQL injection attacking vector as of 2010. In computing, SQL injection is a code injection technique used to attack data-driven applications, in which malicious SQL statements are inserted into an entry field for execution (e.g. to dump the database contents to the attacker).
The SQL SELECT statement returns a result set of rows, from one or more tables. [1] [2] A SELECT statement retrieves zero or more rows from one or more database tables or database views. In most applications, SELECT is the most commonly used data manipulation language (DML) command.
Software flow control is a method of flow control used in computer data links, especially RS-232 serial.It uses special codes, transmitted in-band, over the primary communications channel.
A port scan or portscan is a process that sends client requests to a range of server port addresses on a host, with the goal of finding an active port; this is not a nefarious process in and of itself. [1] The majority of uses of a port scan are not attacks, but rather simple probes to determine services available on a remote machine.
Monitors the entire session for the state of the connection, while also checking IP addresses and payloads for more thorough security; Offers a high degree of control over what content is let in or out of the network