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SQL Optimizer for DB2 LUW 4.4.2 - User Guide

SQL Optimizer for IBM® DB2® LUW
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Customize Editable Panes

There are many ways to customize the behavior of editable panes; the editor options can be set in the Options window under the Editor tab. These options include:

Editor Option

Description

Use tab characters

Specify whether to use the tab character (ASCII 9) instead of spaces.

Smart tab

Specify whether to tab to align the next non-whitespace character of the preceding line.

Use lowercase for object name

Specify whether to use lowercase for object names.

Block cursor for overwrite

Specify whether to change to a block cursor for overwrite mode. Overwrite mode will overwrite existing text when is text entered at the cursor. You can toggle between Insert and Overwrite mode using the Insert key.

Show all characters

Specify whether to show all characters including spaces, new lines and tabs.

Right margin

Specify whether to show the right margin and define the width.

Gutter

Specify whether to show the gutter and line number, and define the gutter width.

Block indent step size

Specify the block indent character size.

Tab size

Specify the tab character length.

 

Editor Panes Shortcuts

The following list is the common shortcut keys provided for users to quickly accomplish tasks that is performed frequently within the Editor panes for SQL Editor and SQL Formatter window.

Action

Shortcut Keys

Delete next word

Ctrl+Delete

Delete previous word

Ctrl+Backspace

Delete next character

Delete

Delete previous character

Backspace

Delete current line

Ctrl+Y

Highlight a word 

Shift+Ctrl+Left or Right Arrow

Highlight a character

Shift+Left or Right Arrow

Cursor forward a word

Ctrl+Right Arrow

Cursor backward a word

Ctrl+Left Arrow

Insert mode

Insert

Insert a new line character

Shift+Ctrl+M

Bring up Member Lookup

Ctrl+Spacebar

Bring up Argument Lookup

Shift+Ctrl+Spacebar

Comment

Shift+Ctrl+C

Uncomment

Shift+Ctrl+N

Indent

Shift+Ctrl+I

Outdent

Shift+Ctrl+O

Uppercase

Shift+Ctrl+U

Lowercase

Shift+Ctrl+L

Quick Find

Ctrl+Alt+F

Find

Ctrl+F

Find Next

F3

Replace

Ctrl+Alt+R

Go to Line

Ctrl+Alt+G

Select All

Ctrl A

Cut

Ctrl X

Copy

Ctrl C

Paste

Ctrl V

Undo

Ctrl Z

Save

Ctrl S

 

Indent and Outdent Text

The text can be shifted from left to right or right to left using the Indent and Outdent functions. The number of characters shifted is dependent on the Block indent step size (default = 3 characters) parameter in the Options window.

To indent text

  1. Highlight the text or place the cursor at the line needed to be indented.

  2. Click image\B_Indent.gif.

To outdent text

  1. Highlight the text or place the cursor at the line to be outdent.

  2. Click image\B_Outdent.gif.

 

Member and Argument Lookup

Member and argument lookup are lookup hints to help construct SQL statements.

Member lookup displays the list of database object members for schemas, tables, views and alias.; For example, if a table name or alias is typed followed by "." then the corresponding lookup hint will be the column names. CTRL+SPACE can be used as short-cut keys to bring up the member lookup.

Argument lookup displays the next argument parameter for functions and procedures. For example, if a procedure name is typed followed by "(" then the list of arguments is shown highlighting the next enterable argument. CTRL+SHIFT+SPACE can be used as short-cut keys to bring up the argument lookup.

To enable or disable the member and argument lookup

  1. Click image\B_Options.gif.

  2. Select the Editor tab.

  3. Under the Lookup section, select the Member lookup and/or the Argument Lookup checkboxes .

Member lookup (Default)

Specify whether to show the lookup hint for database object members.

Argument lookup (Default)

Specify whether to show the argument parameters hint for functions and procedures.

Delay (Default = 0.75 sec , Range = 0.5 to 1.5 sec )

Specify the minimum delay time for the lookup hint to appear.

Note: The member lookup selects the information about the database objects from the system view. Since the system view does not contain the information about temporary tables, member lookup does not find the columns in temporary tables.

 

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