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There are six tablespaces shown in the figure For each tablespace, identified by name, the window shows Allocated size This is the current size of the datafile(s) assigned to the tablespace It is based on the current size, not the maximum size to which it may be allowed to expand Space used This is the space occupied by segments in the tablespace that cannot be reclaimed Allocated space used (%) figures Allocated free space A graphical representation of the preceding two PART I

Status A green tick indicates that the tablespace is online, and therefore that the objects within it should be accessible An offline tablespace would be indicated with a red cross Datafiles The number of datafiles (or tempfiles for temporary tablespaces, if one is being precise) that make up the tablespace Type The type of objects that can be stored in the tablespace A permanent tablespace stores regular schema objects, such as tables and indexes A temporary tablespace stores only system-managed temporary segments, and an undo tablespace stores only system-managed undo segments Extent management The technique used for allocating extents to segments LOCAL is the default and should always be used Segment management The technique used for locating blocks into which data insertions may be made AUTO is the default and is recommended for all user data tablespaces This information could be also be gleaned by querying the data dictionary views DBA_TABLESPACES, DBA_DATA_FILES, DBA_SEGMENTS, and DB_FREE_SPACE as in this example:

SQL> 2 3 4 5 6 7 8 9 10 11 select ttablespace_name name, dallocated, uused, ffree, tstatus, dcnt, contents, textent_management extman, tsegment_space_management segman from dba_tablespaces t, (select sum(bytes) allocated, count(file_id) cnt from dba_data_files where tablespace_name='EXAMPLE') d, (select sum(bytes) free from dba_free_space where tablespace_name='EXAMPLE') f, (select sum(bytes) used from dba_segments where tablespace_name='EXAMPLE') u where ttablespace_name='EXAMPLE';

Skin tones are a sticky subject in any print job It s imperative that the humans in your images are portrayed with natural-looking flesh tones Oftentimes, skin tones can tend to print with red overtones If you request a round of prepress color samples from your printer or prepress professional, they will allow you to point out faulty flesh tones; in most cases, they will also adjust them as you request There are, however, certain tips to which you as the designer can adhere to make sure your imagery is as accurate as possible To adjust images for perfect skin tone, follow these steps:

NAME ALLOCATED USED FREE STATUS CNT CONTENTS EXTMAN SEGMAN ------- ---------- --------- --------- ------ ---- --------- ------ -----EXAMPLE 104857600 81395712 23396352 ONLINE 1 PERMANENT LOCAL AUTO

Click the CREATE button to create a tablespace The Create Tablespace window prompts for a tablespace name, and the values for Extent Management, Type, and Status In most circumstances, the defaults will be correct: Local, Permanent, and Read Write Then the ADD button lets you specify one or more datafiles for the new tablespace Each file must have a name and a size, and can optionally be set to autoextend up to a maximum file size The autoextend facility will let Oracle increase the size of the datafile as necessary, which may avoid out-of-space errors Figures 5-4 and 5-5 show the Database Control interfaces for creating a tablespace NEWTS with one datafile

Figure 5-4

1 Make sure you are in RGB mode 2 Using the Lasso tool, select the flesh tones that you wish to adjust (Hold down the SHIFT key if you wish to select more than one area) 3 Feather your selections to allow for a gradual shift from the changed area to the unchanged area While the areas are still selected (in other words, the ants are still dancing), choose Select | Feather and enter in a low value If your image is a low-resolution image, you only need to enter a 1-pixel value For higher-resolution images, enter in at least a 3 or a 5 4 Choose Image | Adjust | Hue/Saturation In the Hue/Saturation dialog box, choose Reds in the Edit box and move the Saturation slider to the left; this lowers the amount of red that appears in the skin tone You can also adjust for other tones that appear off in your image by selecting the color tone you wish to adjust in the Edit box

Clicking the sHOW SQL button would display this command (the line numbers have been added manually):

1 2 3 4 5 6 7 CREATE SMALLFILE TABLESPACE "NEWTS" DATAFILE 'D:\APP\ORACLE\ORADATA\ORCL11G\newts01dbf' SIZE 100M AUTOEXTEND ON NEXT 10M MAXSIZE 200M LOGGING EXTENT MANAGEMENT LOCAL SEGMENT SPACE MANAGEMENT AUTO DEFAULT NOCOMPRESS;