SELECT SYSDATE,
SYSTIMESTAMP,
CURRENT_DATE,
CURRENT_TIMESTAMP,
TO_CHAR (SYSTIMESTAMP AT TIME ZONE 'UTC', 'YYYY/MM/DD HH24:MI:SS TZD')
DT_AS_UTC,
TO_CHAR (SYSTIMESTAMP AT TIME ZONE 'UTC', 'YYYY-MM-DD"T"HH24:MI:SS')
DT_AS_UTC,
TO_CHAR (SYS_EXTRACT_UTC (SYSTIMESTAMP), 'yyyy-mm-dd"T"hh24:mi:ss"Z"')
DT_AS_UTC
FROM DUAL;
Monday, October 26, 2020
Convert date to UTC TimeZone in Oracle
Monday, October 12, 2020
Data Validation in SQL Server
DROP TABLE if exists #temp1,#temp2;
SELECT empno, HASHBYTES ('SHA2_256', CONCAT ([ename]
,[hiredate]
,[job]
,[deptno]
,CONVERT(DECIMAL(32,6),[sal])
)) HashByte
INTO #temp1
FROM [prod].[scott].[EMP];
SELECT empno, HASHBYTES ('SHA2_256', CONCAT ([ename]
,[hiredate]
,[job]
,[deptno]
,CONVERT(DECIMAL(32,6),[sal])
)) HashByte
INTO #temp2
FROM [stage].[scott].[EMP];
CREATE clustered INDEX IX ON #temp2 (empno);
CREATE clustered INDEX IX1 ON #temp1 (empno);
-- Data Validation
SELECT top 10 * FROM #temp1 t1
WHERE not EXISTS (SELECT 1 FROM #temp2 t2 where t1.empno=t2.empno and t1.HashByte=t2.HashByte )
-- Sample Record
SELECT 'prod'
[empno]
,[ename]
,[hiredate]
,[job]
,[deptno]
,CONVERT(DECIMAL(32,6),[sal])
FROM [prod].[scott].[EMP]
WHERE [empno] = 7863
UNION ALL
SELECT 'stage'
[empno]
,[ename]
,[hiredate]
,[job]
,[deptno]
,CONVERT(DECIMAL(32,6),[sal])
FROM [stage].[scott].[EMP]
WHERE [empno] = 7863;