英文字典中文字典Word104.com



中文字典辭典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z   







請輸入英文單字，中文詞皆可：

columnar    
a. 圓柱的,圓筒形的,分縱欄印刷或書寫的

圓柱的,圓筒形的,分縱欄印刷或書寫的

columnar
adj 1: having the form of a column; "trees with columniform
trunks"; "columnar forms"; "a columnlike tree trunk"
[synonym: {columniform}, {columnar}, {columnlike}]
2: characterized by columns; "columnar construction"

請選擇你想看的字典辭典：
單詞字典翻譯
Columnar查看　Columnar　在Google字典中的解釋Google英翻中〔查看〕
Columnar查看　Columnar　在Yahoo字典中的解釋Yahoo英翻中〔查看〕

安裝中文字典英文字典查詢工具!


中文字典英文字典工具:
選擇顏色:
輸入中英文單字

































































英文字典中文字典相關資料:
  • sql - What is a columnar database? - Stack Overflow
    How do they differ from relational databases? A relation database is a logical concept A columnar database, or column-store, is a physical concept Thus the two terms are not comparable in any meaningful way Column- oriented DMBSs may be relational or not, just as row-oriented DBMS's may adhere more or less to relational principles
  • How is ColumnarToRow an efficient operation in Spark
    In my understanding columnar format is better for MapReduce tasks Even for something like selection of some columns, columnar works well as we don't have to load other columns into memory But in
  • snowflake cloud data platform - What is hybrid-columnar storage . . .
    Columnar Storage organizes data by columns rather than rows Each column's data is stored together, allowing for efficient data compression and faster query performance for analytic workloads that typically access a subset of columns
  • Whats the difference between NoSQL and a Column-Oriented database?
    Some NoSQL databases are column-oriented databases, and some SQL databases are column-oriented as well Whether the database is column or row-oriented is a physical storage implementation detail of the database and can be true of both relational and non-relational (NoSQL) databases Vertica, for example, is a column-oriented relational database so it wouldn't actually qualify as a NoSQL
  • sql server - What is a columnstore index and how is different from . . .
    I am confused about the columnstore index What is a columnstore index, and how it is different from clustered and non-clustered indexes?
  • amazon redshift - Data modeling in columnar database vs multi . . .
    In my way of learning Redshift (my first columnar database), I am struggling to figure out the approach for designing the model Columnar database does promote flat table design, yet admits that star
  • What are the pros and cons of the Apache Parquet format compared to . . .
    Some characteristics of Apache Parquet are: Self-describing Columnar format Language-independent In comparison to Apache Avro, Sequence Files, RC File etc I want an overview of the formats I have
  • Wide column vs column family vs columnar vs column oriented DB . . .
    In genuine column stores, a columnar data layout is adopted such that each column is stored separately on disk Wide-column stores do often support the notion of column families that are stored separately
  • Is Cassandra a column oriented or columnar database
    The definition from Wikipedia also helps further: Wide-column stores such as Bigtable and Apache Cassandra are not column stores in the original sense of the term, since their two-level structures do not use a columnar data layout In genuine column stores, a columnar data layout is adopted such that each column is stored separately on disk
  • Delete in Postgres citus columnar storage alternatives
    1 I am planning to use citus to store system logs for upto n no of days after which they should be deleted Citus columnar store looked like the perfect database for this until I read this where its mentioned no deletes can be performed on columnar So my question is there an alternate way of achieving delete in the columnar store?





中文字典-英文字典  2005-2009

|中文姓名英譯,姓名翻譯 |简体中文英文字典