Managing Databases with Oracle Which of the following is not true about indexes? Columns that are frequently used with equal conditions in WHERE clauses are good candidates for indexes. Indexes are created to enable fast retrieval by column values. Indexes are created to enforce uniqueness on columns. Indexes are created with the ALTER TABLE command. Columns that are frequently used with equal conditions in WHERE clauses are good candidates for indexes. Indexes are created to enable fast retrieval by column values. Indexes are created to enforce uniqueness on columns. Indexes are created with the ALTER TABLE command. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which statement about sequences is not true? 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. NextVal and CurrVal are both sequence methods. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle To obtain the structure of an Oracle table, the command to use is: STRUCTURE [TableName]. DESC TABLE [TableName]. DESCRIBE STRUCTURE [TableName]. DESCRIBE [TableName]. STRUCTURE [TableName]. DESC TABLE [TableName]. DESCRIBE STRUCTURE [TableName]. DESCRIBE [TableName]. 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 Instance Failure Rollback failure Media Failure Application failure Instance Failure Rollback failure Media Failure ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Money is defined in Oracle with the Currency data type. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which of the following is NOT an Oracle-supported trigger? INSTEAD OF BEFORE DURING AFTER INSTEAD OF BEFORE DURING AFTER ANSWER DOWNLOAD EXAMIANS APP
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