This returns 10, since the first occurrence of "/" is the tenth character instr( 'oracle pl/sql cheatsheet', 'e', 1, 2) The programmer can specify which appearance of the string they want to detect, as well as a starting position. Instr (in string) returns an integer that specifies the location of a sub-string within a string. These also return 11, since the functions called are equivalent Instr This returns 11, since the argument is made up of 11 characters including the space SELECT lengthb('hello world') FROM dual It can be referred to as: length b, length c, length 2, and length 4. ![]() Length returns an integer representing the length of a given string. PROCEDURE oracle_runtime_query_pcd IS TYPE ref_cursor IS REF CURSOR l_cursor ref_cursor v_query varchar2 ( 5000 ) v_name varchar2 ( 64 ) BEGIN v_query : = 'SELECT name FROM employee WHERE employee_id=5' OPEN l_cursor FOR v_query LOOP FETCH l_cursor INTO v_name EXIT WHEN l_cursor % NOTFOUND END LOOP CLOSE l_cursor END String operations Length The SELECT statement is used to retrieve rows selected from one or more tables, object tables, views, object views, or materialized views. ![]()
0 Comments
Leave a Reply. |