Managing Databases with Oracle Oracle does NOT support a CASCADE UPDATE constraint. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which of the following is not true about indexes? Indexes are created to enforce uniqueness on columns. Indexes are created to enable fast retrieval by column values. Columns that are frequently used with equal conditions in WHERE clauses are good candidates for indexes. Indexes are created with the ALTER TABLE command. Indexes are created to enforce uniqueness on columns. Indexes are created to enable fast retrieval by column values. Columns that are frequently used with equal conditions in WHERE clauses are good candidates for indexes. Indexes are created with the ALTER TABLE command. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle What is the type of Oracle backup in which all uncommitted changes have been removed from the datafiles? Differential backup Full backup Consistent backup Inconsistent backup Differential backup Full backup Consistent backup Inconsistent backup ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Oracle directly supports the definition of surrogate keys. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which of the following is not true about modifying table columns? 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 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 SQL*Plus is a text editor. False True False True ANSWER DOWNLOAD EXAMIANS APP
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