- MicroSsoft SQL Server
Top few rows from a table, following will select
first 301 rows from a table.
SELECT
DISTINCT TOP 301 RUN_CNTL_ID,
LANGUAGE_CD
FROM
PS_PRCSRUNCNTL
WHERE
OPRID='PS'
AND
UPPER(RUN_CNTL_ID)
LIKE UPPER('%act')
- Oracle
Escape characters used in data.
Select * From STUDENTS Where STU_NAME Like '%\_%' Escape '\'
- Delete duplicate rows
Delete From CLIENT_MASTER
Where ROWID NOT IN
( Select min (ROWID)
From CLIENT_MASTER
Group By CLIENT_NO, NAME, BAL_DUE )
- In Oracle/PLSQL, the NVL function lets you substitute a value when a null value is encountered.
Select ID, FIRST_NAME, LAST_NAME, NVL(PHONE, 'Unknown Phone Number') As Phone From CUSTOMER
No comments:
Post a Comment