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 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 What type of failure occurs when Oracle fails due to an operating system or computer hardware failure? Application failure Media Failure Instance Failure Rollback failure Application failure Media Failure Instance Failure Rollback failure ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle The default extension for SQL*Plus is .sql. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Oracle directly supports the definition of surrogate keys. True False True False 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 Database Configuration Assistant. Using the Oracle-supplied database creation procedures. Using the SQL CREATE DATABASE command. None of these Using the Oracle Database Configuration Assistant. Using the Oracle-supplied database creation procedures. Using the SQL CREATE DATABASE command. ANSWER DOWNLOAD EXAMIANS APP
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