Dynamic Tables , Column and values in oracle
0
I need to provide Table name , Column name and Column values
in an Oracle function dynamically.
I have written a sample code in Oracle function , but it is not dynamic.
Can anyone help to make the below code to be dynamic , so that Table name , Column name and column values can be passed dynamically ?
Select test_emp_name ('Table name' , 'Column name' , 'column_value');
CREATE OR REPLACE FUNCTION test_emp_name (
column_value IN VARCHAR2
) RETURN VARCHAR2 IS
variable_1 VARCHAR2(100);
variable_2 VARCHAR2(100);
variable_3 VARCHAR2(100);
BEGIN
SELECT max(Emp_Name)
INTO variable_1
FROM Employee_Table
where Emp_Name = column_value
variable_2 := SUBSTR( variable_1, 1,10 );
variable_3 := SUBSTR( variable_1, 1,10 );
RETURN
variable_2||variable_3;
EXCEPTION
WHEN no_data_found THEN
RETURN 'nothing found';
END;
sql oracle dynamic
edited Nov 13 '18 at 5:42
Littlefoot
20.5k71433
asked Nov 12 '18 at 22:31
Qwerty
11
add a comment |
0
I need to provide Table name , Column name and Column values
in an Oracle function dynamically.
I have written a sample code in Oracle function , but it is not dynamic.
Can anyone help to make the below code to be dynamic , so that Table name , Column name and column values can be passed dynamically ?
Select test_emp_name ('Table name' , 'Column name' , 'column_value');
CREATE OR REPLACE FUNCTION test_emp_name (
column_value IN VARCHAR2
) RETURN VARCHAR2 IS
variable_1 VARCHAR2(100);
variable_2 VARCHAR2(100);
variable_3 VARCHAR2(100);
BEGIN
SELECT max(Emp_Name)
INTO variable_1
FROM Employee_Table
where Emp_Name = column_value
variable_2 := SUBSTR( variable_1, 1,10 );
variable_3 := SUBSTR( variable_1, 1,10 );
RETURN
variable_2||variable_3;
EXCEPTION
WHEN no_data_found THEN
RETURN 'nothing found';
END;
sql oracle dynamic
edited Nov 13 '18 at 5:42
Littlefoot
20.5k71433
asked Nov 12 '18 at 22:31
Qwerty
11
I'm expecting anexecute immediatesomewhere.
– Gordon Linoff
Nov 12 '18 at 22:32
I am not sure on how to pass attributes dynamically , any suggestions on the above code ?
– Qwerty
Nov 12 '18 at 22:36
3
. . Start with the documentation so you can learn what you want to do (docs.oracle.com/cd/B19306_01/appdev.102/b14261/…). Actually providing the code isn't going to help, and I think teaching dynamic SQL is very broad for a Stack Overflow question.
– Gordon Linoff
Nov 12 '18 at 22:45
Just a little consideration: "select max(xxx) from table" ALWAYS returns a row: that "exception when no_data_found" will never be raised, since MAX() of an empty set is null: that query will return a row containing null.
– Carlo Sirna
Nov 13 '18 at 7:22
add a comment |
0
0
0
I need to provide Table name , Column name and Column values
in an Oracle function dynamically.
I have written a sample code in Oracle function , but it is not dynamic.
Can anyone help to make the below code to be dynamic , so that Table name , Column name and column values can be passed dynamically ?
Select test_emp_name ('Table name' , 'Column name' , 'column_value');
CREATE OR REPLACE FUNCTION test_emp_name (
column_value IN VARCHAR2
) RETURN VARCHAR2 IS
variable_1 VARCHAR2(100);
variable_2 VARCHAR2(100);
variable_3 VARCHAR2(100);
BEGIN
SELECT max(Emp_Name)
INTO variable_1
FROM Employee_Table
where Emp_Name = column_value
variable_2 := SUBSTR( variable_1, 1,10 );
variable_3 := SUBSTR( variable_1, 1,10 );
RETURN
variable_2||variable_3;
EXCEPTION
WHEN no_data_found THEN
RETURN 'nothing found';
END;
sql oracle dynamic
edited Nov 13 '18 at 5:42
Littlefoot
20.5k71433
asked Nov 12 '18 at 22:31
Qwerty
11
I need to provide Table name , Column name and Column values
in an Oracle function dynamically.
I have written a sample code in Oracle function , but it is not dynamic.
Can anyone help to make the below code to be dynamic , so that Table name , Column name and column values can be passed dynamically ?
Select test_emp_name ('Table name' , 'Column name' , 'column_value');
CREATE OR REPLACE FUNCTION test_emp_name (
column_value IN VARCHAR2
) RETURN VARCHAR2 IS
variable_1 VARCHAR2(100);
variable_2 VARCHAR2(100);
variable_3 VARCHAR2(100);
BEGIN
SELECT max(Emp_Name)
INTO variable_1
FROM Employee_Table
where Emp_Name = column_value
variable_2 := SUBSTR( variable_1, 1,10 );
variable_3 := SUBSTR( variable_1, 1,10 );
RETURN
variable_2||variable_3;
EXCEPTION
WHEN no_data_found THEN
RETURN 'nothing found';
END;
sql oracle dynamic
sql oracle dynamic
edited Nov 13 '18 at 5:42
Littlefoot
20.5k71433
asked Nov 12 '18 at 22:31
Qwerty
11
edited Nov 13 '18 at 5:42
Littlefoot
20.5k71433
asked Nov 12 '18 at 22:31
Qwerty
11
edited Nov 13 '18 at 5:42
Littlefoot
20.5k71433
edited Nov 13 '18 at 5:42
Littlefoot
20.5k71433
edited Nov 13 '18 at 5:42
Littlefoot
20.5k71433
20.5k71433
asked Nov 12 '18 at 22:31
Qwerty
11
asked Nov 12 '18 at 22:31
Qwerty
11
asked Nov 12 '18 at 22:31
Qwerty
11
11
I'm expecting anexecute immediatesomewhere.
– Gordon Linoff
Nov 12 '18 at 22:32
I am not sure on how to pass attributes dynamically , any suggestions on the above code ?
– Qwerty
Nov 12 '18 at 22:36
3
. . Start with the documentation so you can learn what you want to do (docs.oracle.com/cd/B19306_01/appdev.102/b14261/…). Actually providing the code isn't going to help, and I think teaching dynamic SQL is very broad for a Stack Overflow question.
– Gordon Linoff
Nov 12 '18 at 22:45
Just a little consideration: "select max(xxx) from table" ALWAYS returns a row: that "exception when no_data_found" will never be raised, since MAX() of an empty set is null: that query will return a row containing null.
– Carlo Sirna
Nov 13 '18 at 7:22
add a comment |
I'm expecting anexecute immediatesomewhere.
– Gordon Linoff
Nov 12 '18 at 22:32
I am not sure on how to pass attributes dynamically , any suggestions on the above code ?
– Qwerty
Nov 12 '18 at 22:36
3
. . Start with the documentation so you can learn what you want to do (docs.oracle.com/cd/B19306_01/appdev.102/b14261/…). Actually providing the code isn't going to help, and I think teaching dynamic SQL is very broad for a Stack Overflow question.
– Gordon Linoff
Nov 12 '18 at 22:45
Just a little consideration: "select max(xxx) from table" ALWAYS returns a row: that "exception when no_data_found" will never be raised, since MAX() of an empty set is null: that query will return a row containing null.
– Carlo Sirna
Nov 13 '18 at 7:22
I'm expecting an
execute immediate somewhere.– Gordon Linoff
Nov 12 '18 at 22:32
I'm expecting an
execute immediate somewhere.– Gordon Linoff
Nov 12 '18 at 22:32
I am not sure on how to pass attributes dynamically , any suggestions on the above code ?
– Qwerty
Nov 12 '18 at 22:36
I am not sure on how to pass attributes dynamically , any suggestions on the above code ?
– Qwerty
Nov 12 '18 at 22:36
3
3
. . Start with the documentation so you can learn what you want to do (docs.oracle.com/cd/B19306_01/appdev.102/b14261/…). Actually providing the code isn't going to help, and I think teaching dynamic SQL is very broad for a Stack Overflow question.
– Gordon Linoff
Nov 12 '18 at 22:45
. . Start with the documentation so you can learn what you want to do (docs.oracle.com/cd/B19306_01/appdev.102/b14261/…). Actually providing the code isn't going to help, and I think teaching dynamic SQL is very broad for a Stack Overflow question.
– Gordon Linoff
Nov 12 '18 at 22:45
Just a little consideration: "select max(xxx) from table" ALWAYS returns a row: that "exception when no_data_found" will never be raised, since MAX() of an empty set is null: that query will return a row containing null.
– Carlo Sirna
Nov 13 '18 at 7:22
Just a little consideration: "select max(xxx) from table" ALWAYS returns a row: that "exception when no_data_found" will never be raised, since MAX() of an empty set is null: that query will return a row containing null.
– Carlo Sirna
Nov 13 '18 at 7:22
add a comment |
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I'm expecting an
execute immediatesomewhere.– Gordon Linoff
Nov 12 '18 at 22:32
I am not sure on how to pass attributes dynamically , any suggestions on the above code ?
– Qwerty
Nov 12 '18 at 22:36
3
. . Start with the documentation so you can learn what you want to do (docs.oracle.com/cd/B19306_01/appdev.102/b14261/…). Actually providing the code isn't going to help, and I think teaching dynamic SQL is very broad for a Stack Overflow question.
– Gordon Linoff
Nov 12 '18 at 22:45
Just a little consideration: "select max(xxx) from table" ALWAYS returns a row: that "exception when no_data_found" will never be raised, since MAX() of an empty set is null: that query will return a row containing null.
– Carlo Sirna
Nov 13 '18 at 7:22