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 increase the number of characters in character columns or the number of digits in numeric columns You can drop a column at any time. 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 increase the number of characters in character columns or the number of digits in numeric columns You can drop a column at any time. You cannot increase or decrease the number of decimal places. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle When you type into SQL*Plus and press enter, the statement will be finished and executed. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle To see the contents of the SQL*Plus buffer, type: LIST CONTENTS BUFFER CURRENT LIST CONTENTS BUFFER CURRENT 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 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. 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 Oracle directly supports the definition of surrogate keys. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle SQL*Plus is a text editor. True False True False ANSWER DOWNLOAD EXAMIANS APP
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