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BCIS 3680 STUDY GUIDE QUESTIONS
Typology: Exams
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Error - Answers - refers to an illegal operation performed by the user which results in the abnormal working of the program. Unchecked Exception - Answers - An exception that occurs at the time of the execution. Checked Exception - Answers - means that the compiler will examine your code before compiling. Logical Error - Answers - An error that occurs when the output of the program does not match with the programmer expected. ArrayIndexOutOfBounds - Answers - An error that happens when you refer to an element number larger than your array. StringIndexOutOfBounds - Answers - Thrown when an index is either negative or greater than the length of the String. ArithmeticException - Answers - An exception thrown when division by 0 occurs. NumberFormatException - Answers - Thrown when a method that converts a String to a number receives a String that it cannot convert. FileNotFoundException - Answers - Thrown when a method that converts a String to a number receives a String that it cannot convert. Command/keystrokes to log in to and exit MySQL. - Answers - Mysql - u root - p Exit an incomplete SQL Statement - Answers - \q, exit, quit Select which Database to work on - Answers - use
Primary Key - Answers - Cannot be null, a field that uniquely identifies a record in a table. Foreign Key - Answers - A primary key of one table that appears as an attribute in another table and acts to provide a logical relationship between two tables. Null - Answers - A special "value" in the database. It means there is no entry in a particular field. SQL command to display the schema of a table. - Answers - Show columns from