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 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 ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Oracle, the world's most popular DBMS, is powerful and robust, running on many different operating systems. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle The default extension for an Oracle SQL*Plus file is: .txt .pls .ora .sql .txt .pls .ora .sql 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? 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 can by queried. Oracle views cannot use the ORDER BY clause in view definitions. 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 can by queried. Oracle views cannot use the ORDER BY clause in view definitions. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Oracle maintains a System Change Number (SCN) which is a database-wide value that is incremented by Oracle whenever database changes are made. True False True False ANSWER DOWNLOAD EXAMIANS APP
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