Managing Databases with Oracle SQL*Plus is a text editor. False True False True 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? If there are no syntax errors, you will receive the message "NO ERRORS." The line numbers reported match the line numbers you see in your text editor. SQL*Plus will automatically show the errors to you. To see the errors, enter SHOW ERRORS in SQL*Plus. If there are no syntax errors, you will receive the message "NO ERRORS." The line numbers reported match the line numbers you see in your text editor. SQL*Plus will automatically show the errors to you. 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 about indexes? Indexes are created to enable fast retrieval by column values. Indexes are created with the ALTER TABLE command. Indexes are created to enforce uniqueness on columns. Columns that are frequently used with equal conditions in WHERE clauses are good candidates for indexes. Indexes are created to enable fast retrieval by column values. Indexes are created with the ALTER TABLE command. Indexes are created to enforce uniqueness on columns. Columns that are frequently used with equal conditions in WHERE clauses are good candidates for indexes. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle An Oracle System Change Number (SCN): is a value that keeps track of explicit locks. is a value that is incremented whenever a dirty read occurs. is a value that is incremented whenever database changes are made. is incremented whenever a deadlock occurs. is a value that keeps track of explicit locks. is a value that is incremented whenever a dirty read occurs. is a value that is incremented whenever database changes are made. is incremented whenever a deadlock occurs. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Oracle allows the ORDER BY clause in view definitions. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which statement about sequences is not true? Sequences guarantee valid surrogate key values. Sequences are most often used to provide values for surrogate keys. A sequence is an object that generates a sequential series of unique numbers. NextVal and CurrVal are both sequence methods. Sequences guarantee valid surrogate key values. Sequences are most often used to provide values for surrogate keys. A sequence is an object that generates a sequential series of unique numbers. NextVal and CurrVal are both sequence methods. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS