Managing Databases with Oracle An Oracle System Change Number (SCN): is incremented whenever a deadlock occurs. is a value that keeps track of explicit locks. is a value that is incremented whenever database changes are made. is a value that is incremented whenever a dirty read occurs. is incremented whenever a deadlock occurs. is a value that keeps track of explicit locks. is a value that is incremented whenever database changes are made. is a value that is incremented whenever a dirty read occurs. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which of the following is NOT an Oracle-supported trigger? INSTEAD OF BEFORE AFTER DURING INSTEAD OF BEFORE AFTER DURING ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle SQL*Plus will finish the statement and execute it when the user types in this: A left slash ( ) followed by [Enter]. A period ( . ) followed by [Enter]. A semicolon ( ; ) followed by [Enter]. A colon ( : ) followed by [Enter]. A left slash ( ) followed by [Enter]. A period ( . ) followed by [Enter]. A semicolon ( ; ) followed by [Enter]. A colon ( : ) followed by [Enter]. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle When using SQL*Plus, Oracle commands, column names, table names and all other database elements: must always be in lower case. are case sensitive. must always be in upper case. are case insensitive. must always be in lower case. are case sensitive. must always be in upper case. are case insensitive. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle After a table has been created, its structure can be modified using the SQL command: CHANGE TABLE [TableName]. UPDATE TABLE [TableName]. MODIFY TABLE [TableName]. ALTER TABLE [TableName]. CHANGE TABLE [TableName]. UPDATE TABLE [TableName]. MODIFY TABLE [TableName]. ALTER TABLE [TableName]. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which statement about sequences is not true? A sequence is an object that generates a sequential series of unique numbers. NextVal and CurrVal are both sequence methods. Sequences are most often used to provide values for surrogate keys. Sequences guarantee valid surrogate key values. A sequence is an object that generates a sequential series of unique numbers. NextVal and CurrVal are both sequence methods. Sequences are most often used to provide values for surrogate keys. Sequences guarantee valid surrogate key values. ANSWER DOWNLOAD EXAMIANS APP
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