블로그
- Hive 성능 향상 방안 일반적으로 Hive Table을 생성 할때 “CREATE TABLE TESTTABLE (value string, key string) STORED AS ORC” 만들고 “insert
- sum of comma separated values [fnSplit] (@list VARCHAR(8000), @delim CHAR(1) = ',' ) RETURNS TABLE AS RETURN WITH csvtbl(START, stop FROM csvtbl WHERE stop > 0 GO Declare @Sum table (counts varchar(20)) insert into @sum values (..
- lock 종류 FOR UPDATE OF 문장을 실행하면,변경되는 ROW에 대한 ROW LOCK과 TABLE에 대한 TABLE LOCK이 발생. TABLE LOCK (TM)TX LOCK이 걸린 ROW가 저장된 TABLE에 대한.......
- Why EY? BenefitsWe will keep you ahead By working with a close knit team of professionals, each bringing to the table You can see why being a member of the Ernst & Young team adds considerable value to your career.
- 오라클에러모음집 The index may have been null or of an improper value. greater than the value for index2 in the call to BIND_ARRAY.
- [Terms] 4. Test design techniques Specification-based or black-box techniques (K3) - boundary value analysis - decision table testing -
- 트랜잭션 트랜잭션 MySQL이 지원하는 table type : MyISAM, ISAM, HEAP, DBD, InnoDB, MERGEtable type을 innodb나, bdb로 설정하면(디폴트는 bdb는 지원하지 않는 상태이다.mysql> show variables like 'have_bdb';+---------------+-------+| Variable_name | Value
← 이전
2 페이지