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1 cze 2021 · Standard SQL Functions Cheat Sheet. TEXT FUNCTIONS. CONCATENATION. Use the || operator to concatenate two strings: SELECT 'Hi ' || 'there!'; -- result: Hi there! Remember that you can concatenate only character strings using. ||. Use this trick for numbers: SELECT '' || 4 || 2;
1 cze 2021 · USEFUL FUNCTIONS. Get the count of characters in a string: SELECT LENGTH('LearnSQL.com'); -- result: 12. Convert all letters to lowercase: SELECT LOWER('LEARNSQL.COM'); -- result: learnsql.com. Convert all letters to uppercase: SELECT UPPER('LearnSQL.com'); -- result: LEARNSQL.COM.
1 cze 2021 · Fetch all names that start with any letter followed by 'atherine': SELECT name FROM names WHERE name LIKE '_atherine'; Fetch all names that end with 'a': SELECT name FROM names WHERE name LIKE '%a'; USEFUL FUNCTIONS. Get the count of characters in a string: SELECT LENGTH('LearnSQL.com');-- result: 12 Convert all letters to lowercase: SELECT ...
PdfGen.sql. PdfGen extends and enhances (replaces) the as_pdf3.cursor2table functionality with respect to column headers and widths, plus the ability to capture a column "page break" value for the page_procs callbacks, and go to a new page when the break-column value changes.
30 lip 2014 · i m seeing some strange behavior for my pdf to text conversion using oracle bellow is the code of a sql file. create or replace directory pdf_dir as '&1'; create or replace directory l_cur...
Rozdział 1. Wprowadzenie do języka PL/SQL. Koncepcja języka, zmienne i stałe, typy zmiennych, nadawanie wartości zmiennym, instrukcje warunkowe, pętle, sterowanie przebiegiem programu.
set serveroutput on CREATE OR REPLACE PROCEDURE BoatReservations(p_Color IN VARCHAR2) AS. BEGIN. CURSOR c_Reservations IS SELECT s.sname, r.day, r.bid FROM Sailor s, Reserve r, Boat b WHERE r.sid = s.sid AND r.bid = b.bid AND b.color = p_Color; v_Reservation c_Reservations%ROWTYPE; OPEN c_Reservations;
