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 drop a column at any time. 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 cannot increase or decrease the number of decimal places. You can drop a column at any time. 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 ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Indexes are created to enforce uniqueness on columns and to enable fast retrieval by column values. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Oracle does NOT support a CASCADE UPDATE constraint. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which of the following is not true about indexes? Indexes are created to enable fast retrieval by column values. Indexes are created to enforce uniqueness on columns. Indexes are created with the ALTER TABLE command. Columns that are frequently used with equal conditions in WHERE clauses are good candidates for indexes. Indexes are created to enable fast retrieval by column values. Indexes are created to enforce uniqueness on columns. Indexes are created with the ALTER TABLE command. Columns that are frequently used with equal conditions in WHERE clauses are good candidates for indexes. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Of the three ways to create an Oracle database, which one is the easiest and most recommended? None of these Using the Oracle-supplied database creation procedures. Using the Oracle Database Configuration Assistant. Using the SQL CREATE DATABASE command. None of these Using the Oracle-supplied database creation procedures. Using the Oracle Database Configuration Assistant. Using the SQL CREATE DATABASE command. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle When you type Start FILENAME, the statement in your file will be executed automatically. True False True False ANSWER DOWNLOAD EXAMIANS APP
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