Managing Databases with Oracle Which of the following is not true about modifying table columns? 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 You cannot increase or decrease the number of decimal places. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle The default extension for SQL*Plus is .sql. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle In creating a procedure, you may get a message if you have compile errors. Which of the following is true? The line numbers reported match the line numbers you see in your text editor. If there are no syntax errors, you will receive the message "NO ERRORS." To see the errors, enter SHOW ERRORS in SQL*Plus. SQL*Plus will automatically show the errors to you. The line numbers reported match the line numbers you see in your text editor. If there are no syntax errors, you will receive the message "NO ERRORS." To see the errors, enter SHOW ERRORS in SQL*Plus. SQL*Plus will automatically show the errors to you. 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 The default extension for an Oracle SQL*Plus file is: .txt .pls .ora .sql .txt .pls .ora .sql 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? Full backup Differential backup Consistent backup Inconsistent backup Full backup Differential backup Consistent backup Inconsistent backup ANSWER DOWNLOAD EXAMIANS APP
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