SQL
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<source lang=sql> | <source lang=sql> | ||
Revision as of 06:58, 16 September 2008
traditional Oracle outer join syntax
left outer join
right outer join
inner join
TOP n SELECT
MySQL:
SELECT EMPNO, ENAME, JOB, MGR, SQL FROM EMP LIMIT 10 offset 20
Oracle >= 8.1.6:
SELECT * FROM (SELECT JOB_NUM, JOB_NME, START_DT_GMT, STATUS_CD, rank() over(partition BY JOB_NUM ORDER BY START_DT_GMT DESC ) rn FROM NM_SCHD_JOB_RUN ) WHERE rn BETWEEN 20 AND 30 SELECT EMPNO, ENAME, JOB, MGR, SAL, rank() over (ORDER BY SAL DESC NULLS LAST) AS RANK, dense_rank() over (ORDER BY SAL DESC NULLS LAST) AS DRANK FROM EMP ORDER BY SAL DESC NULLS last;
MS SQL Server:
SELECT top 10 EMPNO, ENAME, JOB, MGR FROM EMP
Sybase:
SET rowcount 10 SELECT COLUMNS FROM TABLE
Firebird:
SELECT first 10 COLUMNS FROM TABLE
