Managing Databases with Oracle When using SQL*Plus, Oracle commands, column names, table names and all other database elements: must always be in upper case. must always be in lower case. are case insensitive. are case sensitive. must always be in upper case. must always be in lower case. are case insensitive. are case sensitive. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Oracle maintains a System Change Number (SCN) which is a database-wide value that is incremented by Oracle whenever database changes are made. True False True False 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 Inconsistent backup Differential backup Consistent backup Full backup Inconsistent backup Differential backup Consistent backup ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which of the following is not true about indexes? Indexes are created with the ALTER TABLE command. Indexes are created to enforce uniqueness on columns. Indexes are created to enable fast retrieval by column values. Columns that are frequently used with equal conditions in WHERE clauses are good candidates for indexes. Indexes are created with the ALTER TABLE command. Indexes are created to enforce uniqueness on columns. Indexes are created to enable fast retrieval by column values. Columns that are frequently used with equal conditions in WHERE clauses are good candidates for indexes. 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]. CHANGE TABLE [TableName]. UPDATE TABLE [TableName]. ALTER TABLE [TableName]. MODIFY TABLE [TableName]. CHANGE TABLE [TableName]. UPDATE TABLE [TableName]. ALTER TABLE [TableName]. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Oracle directly supports the definition of surrogate keys. False True False True ANSWER DOWNLOAD EXAMIANS APP
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