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oraclecourse's Introduction

SELECT * FROM dual; SELECT 1 FROM dual; SELECT * FROM TCLIENTES; SELECT id, nome, dt_nascimento FROM TCLIENTES; SELECT cod_curso, preco, preco+300, preco*0.10 FROM TCURSOS; SELECT id, tclientes_id, desconto, total FROM TCONTRATOS; SELECT id, tclientes_id, desconto, total, total+desconto FROM TCONTRATOS; SELECT id, tclientes_id, NVL(desconto,0), total, total+NVL(desconto,0) FROM TCONTRATOS; SELECT id codigo, nome AS cliente FROM tclientes; SELECT nome "Cliente Preferencial" FROM TCLIENTES; SELECT id||nome "Clientes" FROM TCLIENTES; SELECT id||' - '|| nome "Clientes" FROM TCLIENTES; SELECT nome|| ' nasceu em ' || dt_nascimento AS "Nascimento do Cliente" FROM TCLIENTES; SELECT 'O telefone de '|| nome || ' é ' || telefone CLIENTE FROM TCLIENTES; SELECT q'<Oracle's quote operator>' FROM dual; SELECT q'<Oracle's quote operator>' AS ASPAS FROM dual; SELECT cidade CIDADES FROM TCLIENTES; SELECT DISTINCT cidade CIDADES FROM TCLIENTES; SELECT DISTINCT nome CLIENTE, cidade CIDADES FROM TCLIENTES; SELECT id, nome, dt_nascimento FROM TCLIENTES WHERE estado = 'RS'; SELECT nome, preco FROM tcursos WHERE preco BETWEEN 800 AND 1000; SELECT nome, dt_nascimento, cidade, estado FROM TCLIENTES WHERE estado IN ('RS','RJ','PR'); SELECT nome FROM TCLIENTES WHERE nome LIKE 'A%'; SELECT nome FROM TCLIENTES WHERE (nome LIKE 'A%') OR (nome LIKE '%A%') OR (nome LIKE '_a%'); SELECT nome, dt_nascimento, cidade, estado FROM TCLIENTES WHERE estado = UPPER('sp'); SELECT LOWER('Introdução ao ORACLE 1G') FROM DUAL; SELECT INITCAP('Introdução ao ORACLE 1G') FROM DUAL; SELECT CONCAT('Introdução ao ORACLE 1G', ' CURSO 1') FROM DUAL; SELECT SUBSTR('Introdução ao ORACLE 1G',1,11) FROM DUAL; SELECT LENGTH('Introdução ao ORACLE 1G') FROM DUAL; SELECT REPLACE('Introdução ao ORACLE 11G','11G', '12G') FROM DUAL; SELECT INSTR('Introdução ao ORACLE 1G', 'ORACLE') FROM DUAL; SELECT DECODE(1,1,'SIM',2,'NAO','TALVEZ') FROM DUAL; SELECT id, dt_compra, total, desconto FROM TCONTRATOS WHERE total >= 1000 AND desconto IS NOT NULL; SELECT id, dt_compra, total FROM TCONTRATOS WHERE total >= 1000 OR desconto IS NOT NULL; SELECT nome, dt_nascimento, cidade FROM TCLIENTES WHERE cidade NOT IN ('SAO PAULO','RIO DE JANEIRO'); SELECT ROUND(dbms_random.value(1,100)) FROM dual; SELECT SYSDATE FROM DUAL; SELECT nome, ROUND(((SYSDATE - dt_nascimento)/7),2) semanas FROM TCLIENTES WHERE estado = 'SP'; SELECT months_between('01/01/2015', '04/09/2015') ,ADD_MONTHS('01/01/2015',6) ,NEXT_DAY('01/01/2015','DOMINGO') ,LAST_DAY('01/01/2015') ,TRUNC(SYSDATE) FROM dual;

SELECT estado, CASE estado WHEN 'RS' THEN 'Rio Grande do Sul' WHEN 'SP' THEN 'São Paulo' else ' ' END nome_estado FROM TCLIENTES;

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