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 can add a column at any time as long as it is a NULL column. You cannot increase or decrease the number of decimal places. 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 can add a column at any time as long as it is a NULL column. You cannot increase or decrease the number of decimal places. You can drop a column at any time. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Indexes are created to enforce uniqueness on columns and to enable fast retrieval by column values. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle You can use the DROP statement to remove structures from the database. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which of the following is not true of SQL views? Oracle views can by queried. The SQL-92 standard does not allow the use of the ORDER BY clause in view definitions. Oracle views are created using the standard SQL-92 CREATE VIEW command. Oracle views cannot use the ORDER BY clause in view definitions. Oracle views can by queried. The SQL-92 standard does not allow the use of the ORDER BY clause in view definitions. Oracle views are created using the standard SQL-92 CREATE VIEW command. 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 an Oracle-supported trigger? DURING BEFORE INSTEAD OF AFTER DURING BEFORE INSTEAD OF AFTER ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle When using SQL*Plus, Oracle commands, column names, table names and all other database elements: must always be in upper case. are case insensitive. must always be in lower case. are case sensitive. must always be in upper case. are case insensitive. must always be in lower case. are case sensitive. ANSWER DOWNLOAD EXAMIANS APP
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