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 After a table has been created, its structure can be modified using the SQL command: MODIFY TABLE [TableName]. UPDATE TABLE [TableName]. ALTER TABLE [TableName]. CHANGE TABLE [TableName]. MODIFY TABLE [TableName]. UPDATE TABLE [TableName]. ALTER TABLE [TableName]. CHANGE TABLE [TableName]. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle When you type Start FILENAME, the statement in your file will be executed automatically. False True False True 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. SQL*Plus will automatically show the errors to you. If there are no syntax errors, you will receive the message "NO ERRORS." To see the errors, enter SHOW ERRORS in SQL*Plus. The line numbers reported match the line numbers you see in your text editor. SQL*Plus will automatically show the errors to you. If there are no syntax errors, you will receive the message "NO ERRORS." To see the errors, enter SHOW ERRORS in SQL*Plus. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle The semicolon terminates a SQL statement (and executes it). False True False True ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS