Managing Databases with Oracle Which of the following is not true about modifying table 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 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. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle SQL*Plus is a text editor. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Money is defined in Oracle with the Currency data type. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which statement about sequences is not true? 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. 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. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle The left-leaning slash tells Oracle to execute whatever statement is in the buffer. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which of the following is not true of SQL views? 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 can by queried. 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 cannot use the ORDER BY clause in view definitions. Oracle views can by queried. Oracle views are created using the standard SQL-92 CREATE VIEW command. ANSWER DOWNLOAD EXAMIANS APP
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