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BCIS 3680 FINAL STUDY GUIDE 2026
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Error: unchecked exception - Answers - These are critical errors due to rare reasons, such as: An internal error in the Java Virtual Machine, Computer running out of memory. Error: checked exception - Answers - These are errors having to do with your program, they are checked before compiling and will have to be addressed before compiling Error: logical - Answers - These are errors caused by erroneously used variables, method names, data types, etc. may not cause run time errors if they are coincidentally compatible and don't cause syntax errors when misplaced. superclass of all exceptions and the major methods - Answers - RuntimeException handling of exceptions - Answers - An exception handler is a section of code that gracefully responds to exceptions. try‐ catch‐finally block - Answers - try { (try block statements...) } catch (ExceptionType ParameterName) { (catch block statements...) } finally { (finally block statements...) } log in to MySQL - Answers - mysql - u root - p Log out of MySQL - Answers - either type: \q exit quit List existing Databases in MySQL - Answers - show databases; Selecting Database to work on - Answers - use
Tables - Answers - A structured list of data of a specific type. Row - Answers - Each row contains data for a single item. Column - Answers - Each column defines a certain attribute of a record, e.g., name, address, phone number, etc. Primary Key - Answers - 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 the two tables null - Answers - A special "value" in database. It means there is no entry in a particular field. Schema - Answers - defines the datatype for the information to be stored in a column - text, numbers, currency values, even large blobs of binary information. How to show Schema - Answers - show columns from customers; Select in MySQL - Answers - Select * from