Managing Databases with Oracle An Oracle System Change Number (SCN): is a value that is incremented whenever database changes are made. is a value that keeps track of explicit locks. is incremented whenever a deadlock occurs. is a value that is incremented whenever a dirty read occurs. is a value that is incremented whenever database changes are made. is a value that keeps track of explicit locks. is incremented whenever a deadlock occurs. is a value that is incremented whenever a dirty read occurs. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which statement about sequences is not true? Sequences guarantee valid surrogate key values. NextVal and CurrVal are both sequence methods. A sequence is an object that generates a sequential series of unique numbers. Sequences are most often used to provide values for surrogate keys. Sequences guarantee valid surrogate key values. NextVal and CurrVal are both sequence methods. A sequence is an object that generates a sequential series of unique numbers. Sequences are most often used to provide values for surrogate keys. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Oracle will let you define Notepad as your default editor, and whenever you type NOTEPAD, SQL*Plus will invoke Notepad. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle When using SQL*Plus, Oracle commands, column names, table names and all other database elements: must always be in lower case. are case insensitive. are case sensitive. must always be in upper case. must always be in lower case. are case insensitive. are case sensitive. must always be in upper case. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle In creating a procedure, you may get a message if you have compile errors. Which of the following is true? The line numbers reported match the line numbers you see in your text editor. SQL*Plus will automatically show the errors to you. If there are no syntax errors, you will receive the message "NO ERRORS." To see the errors, enter SHOW ERRORS in SQL*Plus. The line numbers reported match the line numbers you see in your text editor. SQL*Plus will automatically show the errors to you. If there are no syntax errors, you will receive the message "NO ERRORS." To see the errors, enter SHOW ERRORS in SQL*Plus. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which of the following is not true of SQL views? Oracle views can by queried. Oracle views cannot use the ORDER BY clause in view definitions. Oracle views are created using the standard SQL-92 CREATE VIEW command. The SQL-92 standard does not allow the use of the ORDER BY clause in view definitions. Oracle views can by queried. Oracle views cannot use the ORDER BY clause in view definitions. Oracle views are created using the standard SQL-92 CREATE VIEW command. The SQL-92 standard does not allow the use of the ORDER BY clause in view definitions. ANSWER DOWNLOAD EXAMIANS APP
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