The semicolon terminates a SQL statement (and executes it). False True TRUE ANSWER : ? YOUR ANSWER : ?
After a table has been created, its structure can be modified using the SQL command: UPDATE TABLE [TableName]. MODIFY TABLE [TableName]. CHANGE TABLE [TableName]. ALTER TABLE [TableName]. TRUE ANSWER : ? YOUR ANSWER : ?
Of the three ways to create an Oracle database, which one is the easiest and most recommended? Using the Oracle-supplied database creation procedures. None of these Using the Oracle Database Configuration Assistant. Using the SQL CREATE DATABASE command. TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not true about indexes? 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. TRUE ANSWER : ? YOUR ANSWER : ?
You have linked SQL*Plus to an external text editor. To invoke the text editor for use within SQL*Plus, which command do you use? Alter [FileName] Open [FileName] Edit [FileName] Show [FileName] TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is NOT an Oracle-supported trigger? DURING BEFORE INSTEAD OF AFTER TRUE ANSWER : ? YOUR ANSWER : ?
The left-leaning slash tells Oracle to execute whatever statement is in the buffer. True False TRUE ANSWER : ? YOUR ANSWER : ?
When you type into SQL*Plus and press enter, the statement will be finished and executed. False True TRUE ANSWER : ? YOUR ANSWER : ?
An Oracle System Change Number (SCN): 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. TRUE ANSWER : ? YOUR ANSWER : ?