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 The default extension for an Oracle SQL*Plus file is: .ora .sql .txt .pls .ora .sql .txt .pls ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Of the three ways to create an Oracle database, which one is the easiest and most recommended? Using the Oracle-supplied database creation procedures. Using the SQL CREATE DATABASE command. None of these Using the Oracle Database Configuration Assistant. Using the Oracle-supplied database creation procedures. Using the SQL CREATE DATABASE command. None of these Using the Oracle Database Configuration Assistant. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Sequences guarantee valid surrogate key values. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle After a table has been created, its structure can be modified using the SQL command: UPDATE TABLE [TableName]. CHANGE TABLE [TableName]. ALTER TABLE [TableName]. MODIFY TABLE [TableName]. UPDATE TABLE [TableName]. CHANGE TABLE [TableName]. ALTER TABLE [TableName]. MODIFY TABLE [TableName]. 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