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Jan 22, 2018 · 21. Here is the example: SQL> set define off; SQL> select * from dual where dummy='&var'; no rows selected SQL> set define on SQL> / Enter value for var: X old 1: select * from dual where dummy='&var' new 1: select * from dual where dummy='X' D - X. With set define off, it took a row with &var value, prompted a user to enter a value for it and ...
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SQL> set define offSQL> insert into customers (customer_name) values ('Marks & Spencers Ltd');1 row created.SQL> select customer_name from customers;CUSTOMER_NAME...Affect on Substitution Variables; SET CONCAT: Defines the character that separates the name of a substitution variable or parameter from characters that immediately follow the variable or parameter—by default the period (.). SET DEFINE: Defines the substitution character (by default the ampersand "&") and turns substitution on and off. SET ESCAPE
Dec 12, 2018 · Quick Question for Oracle Set define off query Hi All, I just want to know that if i turned off the feature i.e. 'SET DEFINE OFF' from my oracle database, will there by any consequences / disadvantages with my data or database, as i really need to turn it off for some queries. Please advise if it will not break anything.
Apr 11, 2011 · The default substitution variable prefix is an ampersand (&). The SET DEFINE command can be used to change the variable-name prefix character. SET DEFINE ON turns variable substitution back on and resets the prefix character to "&". Sometimes in SQL*Plus literature you may see references to the SET SCAN command.
Name SET DEFINE Synopsis The SET DEFINE command changes the prefix character used to mark substitution variables. You can use SET DEFINE to turn variable substitution off. Syntax SET DEF[INE] … - Selection from Oracle SQL*Plus: The Definitive Guide, 2nd Edition [Book]
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SET DEFINE Defines the substitution character (by default the ampersand "&") and turns substitution on and off. SET ESCAPE Defines an escape character you can use before the substitution character. The escape character instructs SQL*Plus to treat the substitution character as an ordinary character rather than as
You can use the DEFINE command to view the definitions of these nine predefined variables in the same way as you view other DEFINE definitions. You can also use the DEFINE command to redefine their values, or you can use the UNDEFINE command to remove their definitions and make them unavailable. To view a specific variable definition, enter.
