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. NextVal and CurrVal are both sequence methods. A sequence is an object that generates a sequential series of unique numbers. Sequences guarantee valid surrogate key values. Sequences are most often used to provide values for surrogate keys. NextVal and CurrVal are both sequence methods. A sequence is an object that generates a sequential series of unique numbers. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which of the following is NOT an Oracle-supported trigger? AFTER DURING INSTEAD OF BEFORE AFTER DURING INSTEAD OF BEFORE ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which of the following is not true about modifying table columns? You can drop a column at any time. You cannot increase or decrease the number of decimal places. You can increase the number of characters in character columns or the number of digits in numeric columns You can add a column at any time as long as it is a NULL column. You can drop a column at any time. You cannot increase or decrease the number of decimal places. You can increase the number of characters in character columns or the number of digits in numeric columns You can add a column at any time as long as it is a NULL column. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which prefixes are available to Oracle triggers? Neither :new nor :old :old only :new only Both :new and :old Neither :new nor :old :old only :new only Both :new and :old ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Oracle does NOT support a CASCADE UPDATE constraint. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle You can check on the status of tables with the DESCRIBE or DESC command. True False True False ANSWER DOWNLOAD EXAMIANS APP
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