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
Managing Databases with Oracle Oracle, the world's most popular DBMS, is powerful and robust, running on many different operating systems. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle SQL*Plus will finish the statement and execute it when the user types in this: A semicolon ( ; ) followed by [Enter]. A period ( . ) followed by [Enter]. A left slash ( ) followed by [Enter]. A colon ( : ) followed by [Enter]. A semicolon ( ; ) followed by [Enter]. A period ( . ) followed by [Enter]. A left slash ( ) followed by [Enter]. A colon ( : ) followed by [Enter]. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which statement about sequences is not true? NextVal and CurrVal are both sequence methods. Sequences are most often used to provide values for surrogate keys. A sequence is an object that generates a sequential series of unique numbers. Sequences guarantee valid surrogate key values. NextVal and CurrVal are both sequence methods. Sequences are most often used to provide values for surrogate keys. A sequence is an object that generates a sequential series of unique numbers. Sequences guarantee valid surrogate key values. 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. 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 enable fast retrieval by column values. Indexes are created to enforce uniqueness on columns. 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 enable fast retrieval by column values. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle You can check on the status of tables with the DESCRIBE or DESC command. True False True False ANSWER DOWNLOAD EXAMIANS APP
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