: This is used to terminate the original SQL statement and begin a new, unauthorized command [3].

: This is an obfuscated way of writing the string "lbtV." Attackers use CHR() codes to bypass simple security filters that look for specific words [5]. ,5 : This tells the database to wait for 5 seconds [2].

: DUAL is a special one-row table in Oracle used to execute functions that don't need data from a specific table [6].

Use "Prepared Statements" so the database treats the input as literal text, not executable code [7].

: This is a built-in Oracle function. In this context, it is being used to force the database to pause or "sleep" for a specific amount of time [2, 4].

: This is likely a placeholder where a legitimate search term or data value would normally go.