row format的意思
row format中文翻譯:
行格式
相似詞語短語
to format───格式化
go formal───正式
pro forma───(拉)形式上的;估計的
reformat───vt.重定格式
rock formation───巖層
to reformat───重新格式化
doormat───n.門墊;擦鞋墊;(非正式)受氣包
format───n.格式;版式;開本;vt.使格式化;規定…的格式;vi.設計版式
grow fat───發胖,變肥
雙語使用場景
As a result of the alternate row format of value compression, NULL values are stored more compact.───在使用值壓縮行格式之后,NULL值的存儲變得更加緊湊。
By changing the table attribute VALUE COMPRESSION, you can determine in what row format new rows for a table are stored.───通過更改表屬性VALUECOMPRESSION,可以決定按照什么行格式存儲新的表行。
It therefore depends on the table structure as to whether the row format of value compression has positive results.───因此,值壓縮的行格式是否能產生正面的效果,取決于表的結構。
The statement returns the number of bytes for each table entry that are saved by using the value compression row format.───該語句返回使用值壓縮行格式為每個表條目節省的字節數。
In addition, the row format of value compression has a two-byte overhead per row.───此外,值壓縮的行格式會為每一行占用兩個字節。
In most cases, ALTER SET DATA TYPE requires table reorganization (reorg) because it changes the physical row format.───大多數情況下,ALTERSETDATATYPE需要對表執行重組(reorg),因為它修改了物理行格式。
英語使用場景
By changing the table attribute VALUE COMPRESSION, you can determine in what row format new rows for a table are stored.
In addition, the row format of value compression has a two-byte overhead per row.
As a result of the alternate row format of value compression, NULL values are stored more compact.
It therefore depends on the table structure as to whether the row format of value compression has positive results.
But as you can see for the DEPARTMENT table, value compression can be beneficial, even if the alternate row format of value compression causes some overhead.
myisampack.exe Compresses MyISAM table Use VALUE COMPRESSION in create table statement to use the space saving row format at the column or table level to reduce space required for a table.
In most cases, ALTER SET DATA TYPE requires table reorganization (reorg) because it changes the physical row format.
The statement returns the number of bytes for each table entry that are saved by using the value compression row format.