The said code in Oracle's PL/SQL defines a function that retrieves the first five characters of the department name based on the provided department ID. If a department with the given ID is found, it returns the first five characters otherwise, it returns NULL. The two variables v_departme...
EXPLAIN PLAN:Definition,Search for examples EXPLAIN_MVIEW Procedure:Definition,Search for examples EXPLAIN_REWRITE Procedure:Definition,Search for examples EXPORT_COLUMN_STATS Procedure:Definition,Search for examples EXPORT_DATABASE_STATS Procedure:Definition,Search for examples EXPORT_INDEX_STATS Procedure:Defi...
Some examples: -- functions returning a scalar typeRETURN1+2;RETURNscalar_var;-- functions returning a composite typeRETURNcomposite_type_var;RETURN(1,2, ’three’::text);-- must cast columns to correct types RETURN NEXT and RETURN QUERY RETURNNEXTexpression;RETURNQUERY query;RETURNQUERY EXECUTE...
PL/SQL stored objects include procedures, functions, triggers, and packages. The first trigger detects insertions to the ARTIST table, the second updates, and the third deletions. Packages can be used to group commonly stored PL/SQL units into a single chunk of code. A package must have a ...
,Search for examples ENABLE_POLICY Procedure:Definition,Search for examples ENABLE_PROPAGATION_SCHEDULE Procedure:Definition,Search for examples END:Definition,Search for examples END BACKUP:Definition,Search for examples , Definition,Search for examples ...
Given below are the examples of PL/SQL varray: Example #1 Now let’s see the different examples of varray in PL/SQL. Code: DECLARE type studarray IS VARRAY(6) OF VARCHAR2(15); type studmarks IS VARRAY(6) OF INTEGER; sname studarray; ...
Similar to calling functions, it is also allowed to mix positional and named notation. Examples (these use the cursor declaration examples above): OPEN curs2; OPENcurs3(42); OPENcurs3(key :=42); Because variable substitution is done on a bound cursor’s query, there are really two ways ...
This Oracle tutorial explains how to use the Oracle / PLSQL COUNT function with syntax and examples. The Oracle / PLSQL COUNT function returns the count of an expression.
Advanced Functions Oracle / PLSQL: AVG FunctionThis Oracle tutorial explains how to use the Oracle/PLSQL AVG function with syntax and examples.Description The Oracle/PLSQL AVG function returns the average value of an expression.Syntax The syntax for the AVG function in Oracle/PLSQL is: SELECT ...
Tutorial #2:PL SQL Data Types, Variables, Constants And Literals Tutorial #3:How To Use PL SQL Insert, Update, Delete And Select Statement Tutorial #4:PL SQL Operators And Control Statements Tutorial Tutorial #5:Subprograms: PL SQL Procedures And Functions With Examples ...