Search results
There are a several ways of declaring variables in SQL*Plus scripts. The first is to use VAR, to declare a bind variable. The mechanism for assigning values to a VAR is with an EXEC call: SQL> var name varchar2(20) SQL> exec :name := 'SALES' PL/SQL procedure successfully completed.
11 mar 2011 · Your variable declaration is correct. The DECLARE keyword is used to define variables scoped in a PL/SQL block (whose body is delimited by BEGIN and END;). How do you want to use this variable? The following PL/SQL works fine for me: DECLARE . startDate DATE := to_date('03/11/2011', 'dd/mm/yyyy'); reccount INTEGER; BEGIN.
5 lip 2011 · SQL*Plus supports an additional format: DEFINE StartDate = TO_DATE('2016-06-21'); DEFINE EndDate = TO_DATE('2016-06-30'); SELECT * FROM MyTable WHERE DateField BETWEEN &StartDate and &EndDate;
You can define variables, called substitution variables, for repeated use in a single script by using the SQL*Plus DEFINE command. Note that you can also define substitution variables to use in titles and to save your keystrokes (by defining a long string as the value for a variable with a short name).
This Oracle tutorial explains how to declare variables in Oracle / PLSQL with syntax and examples. In Oracle / PLSQL, a variable allows a programmer to store data temporarily during the execution of code.
11 kwi 2011 · This post shows how substitution variables can replace hard-coded text in Oracle SQL and SQL*Plus statements. Jump straight to the Substitution Variable Examples if you don't have time to read this whole post, and are trying to solve a specific problem using variables in SQL statements in SQL*Plus.
Declaring variables. The syntax for a variable declaration is as follows: variable_name datatype [NOT NULL] [:= initial_value]; Code language: PostgreSQL SQL dialect and PL/pgSQL (pgsql) In this syntax: First, specify the name of the variable.
