Oracle - Assign Values to Variables in Oracle

Assign Values to Variables in Oracle

Q

How To Assign Values to Variables in Oracle?

✍: FYIcenter.com

A

You can use assignment statements to assign values to variables. An assignment statement contains an assignment operator ":=", which takes the value specified on the right to the variable on left. The script below show you some examples of assignment statements:

PROCEDURE proc_var_2 AS
  is_done BOOLEAN;
  counter NUMBER := 0;
  message VARCHAR2(80); 
BEGIN
  is_done := FASLE;
  counter := counter + 1;
  message := 'Hello world!';
END;

⇒Understanding PL/SQL Language Basics

⇒⇒Oracle Database Tutorials

2018-08-06, 661👍, 0💬

Arithmetic Operations in Pl/SQL in Oracle
What Are the Arithmetic Operations in Oracle? There are 4 basic arithmetic operations on numeric values as shown in the following sample script: PROCEDURE proc_arithmetic AS addition NUMBER; subtraction NUMBER; multiplication NUMBER; division NUMBER; BEGIN addition := 7 + 8; subtraction := addition ... 2018-08-06, 651👍, 0💬

Numeric Comparison Operations in Oracle
What Are the Numeric Comparison Operations in Oracle? PL/SQL supports 6 basic numeric comparison operations as shown in the following sample script: PROCEDURE proc_comparison AS res BOOLEAN; BEGIN res := 1 = 2; res := 1 < 2; res := 1 > 2; res := 1 <= 2; res := 1 >= 2; res... 2018-08-06, 637👍, 0💬

Declare Local Variables in Oracle
How To Declare a Local Variable in Oracle? A local variable can be defined in the declaration part with a declaration statement, which is a variable name followed a data type identifier. Below are some examples of declaration statements: PROCEDURE proc_var_1 AS domain VARCHAR2(80); price REAL; is_fo... 2018-11-17, 598👍, 0💬

Initialize Variables with Default Values in Oracle
How To Initialize Variables with Default Values in Oracle? There are two ways to assign default values to variables at the time of declaration: Using key word DEFAULT - Appending "DEFAULT value" to the end of declaration statements. Using assignment operator - Appending ":= value" to the end of decl... 2018-08-06, 580👍, 0💬

All rights in the contents of this web site are reserved by the individual author. fyicenter.com does not guarantee the truthfulness, accuracy, or reliability of any contents.