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The DO command lets you execute any of the commands in the
command history buffer. Scope | |
ISQL only. ISQL Syntax | |
DO [ CommandNumber
CommandString ] Parameters | |
- CommandNumber
identifies one of the commands in the command history buffer.
The command history buffer holds the fifty most recently submitted
commands, numbered 1 through 50. The CommandNumber of the
most recently submitted command is 1.
- CommandString
identifies the most recent command in the command history buffer
that begins with the CommandString.
Description | |
You can use the LIST
HISTORY @ command to identify the CommandNumber associated
with each command currently in the command history buffer.
If no parameter is specified, the most recently
submitted command is assumed.
DO cannot be used from a command file or the command buffer.
Example | |
isql=> LIST HISTORY @;
1 SELECT SalesPrice FROM PurchDB.Parts;
2 INFO PurchDB.Parts;
3 EDIT MyFile;
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isql=> DO 2;
The "INFO PurchDB.Parts" command is executed because it is the second
command in the command history buffer.
isql=> DO;
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The "INFO PurchDB.Parts" command is executed again because it is the most
recent command in the command history buffer.
isql=> DO ED;
The "EDIT MyFile" command is executed because it is the most recent command
in the command history buffer that begins with the string "ED".
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