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Question
Because SQL statements are table-oriented, whereas programs are variable-oriented, the results of SQL statements used in programs are accessed using an SQL cursor.Answer
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The MySQL keyword used to retrieve a row of data while the cursor is operating is ________.
A) DECLARE CURSOR {CursorName}
B) OPEN {CursorName}
C) FETCH
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To insert non-sequential data into a MySQL table that uses AUTO_INCREMENT ________.
A) Disable AUTO_INCREMENT
B) Temporarily remove AUTO_INCREMENT
C) Use the AUTO_INCREMENT_INSERT command
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The active MySQL database is specified using ________.
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B) the Set Database command
C) the Make Default Schema command
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DBMS objects are displayed ________.
A) in the Navigation Pane
B) in the Object Browser
C) in the tabbed database window
D) in the tabbed document window
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MySQL backups are run on the Administration - Data Export tab of the Data Export page.
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MySQL users may be granted MySQL server administrative roles.
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MySQL concurrency options include four scopes for the transaction isolation level: GLOBAL, LOCAL, SESSION and TRANSACTION.
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The default transaction isolation level in MySQL is REPEATABLE READ.
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Triggers that have been created in MySQL are displayed as objects in the Object Browser of the MySQL Workbench.
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To display an existing SQL script, click the "Open an SQL script file (in new query tab)" button.
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The spreadsheet data must first be highlighted (selected) in order to be imported using the MySQL for Excel Add-In.
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In Oracle Database, indexes are created using the ALTER command.
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When using Oracle Database, a sequence is an object that generates a sequential series of unique numbers.
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What is SQL Developer?
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Which of the following Oracle Database ReDo files are stored on disk and contain the rollback segments from recent database changes?
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B) Active ReDo files
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Which of the following is true about stored procedures in Oracle Database?
A) They cannot invoke other procedures.
B) They must include the data type and length of parameters.
C) They can raise exceptions.
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The Oracle Database PL/SQL statement used to define a set of PL/SQL statements is ________.
A) DECLARE
B) BEGIN
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The Oracle Database PL/SQL block structure begins with ________.
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A) does not allow addition of a new primary key column
B) does not allow data to be imported into an existing table
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Which of the following tasks cannot be done using the Oracle SQL Developer GUI features?
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Which of the following statements would cause Oracle Database to include a new column named C5, which is a two-digit whole number, to a table named T2?
A) UPDATE TABLE T2 ADD COLUMN C5 NUMBER (2);
B) ALTER TABLE T2 ADD C5 NUMBER (2);
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Which of the following Oracle Database structures is a logical subdivision of an Oracle Database database instance that is used to group related tables, views, and other similar objects?
A) Namespace
B) Filespace
C) Tablespace
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