Managing Databases with Oracle Indexes are created to enforce uniqueness on columns and to enable fast retrieval by column values. False True False True 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 Which statement about sequences is not true? 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. Sequences guarantee valid surrogate key values. Sequences are most often used to provide values for surrogate keys. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which of the following is not true of SQL views? Oracle views are created using the standard SQL-92 CREATE VIEW command. Oracle views can by queried. The SQL-92 standard does not allow the use of the ORDER BY clause in view definitions. Oracle views cannot use the ORDER BY clause in view definitions. Oracle views are created using the standard SQL-92 CREATE VIEW command. Oracle views can by queried. The SQL-92 standard does not allow the use of the ORDER BY clause in view definitions. Oracle views cannot use the ORDER BY clause in view definitions. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which of the following is not true about modifying table columns? You can increase the number of characters in character columns or the number of digits in numeric columns You cannot increase or decrease the number of decimal places. 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 can increase the number of characters in character columns or the number of digits in numeric columns You cannot increase or decrease the number of decimal places. You can add a column at any time as long as it is a NULL column. You can drop a column at any time. 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
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