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    • 1. 发明授权
    • Concurrency control in materialized views of a database
    • 数据库的物化视图中的并发控制
    • US06889358B1
    • 2005-05-03
    • US09004265
    • 1998-01-08
    • Daniel Francis LieuwenAkira KawaguchiInderpal Singh MumickDallan Wendell QuassKenneth A. Ross
    • Daniel Francis LieuwenAkira KawaguchiInderpal Singh MumickDallan Wendell QuassKenneth A. Ross
    • G06F17/30G06F15/00G06F7/00G06F17/21
    • G06F17/30383G06F17/30348Y10S707/99931Y10S707/99932Y10S707/99938Y10S707/99939Y10S707/99953
    • In a database, a database manager can generate a view, which, in concept, is a subset of the database, which is placed outside the database for use without disturbing the database, and without disturbance by others using the database. The subset, or view, can be understood as a collection of rows, or tuples, of data copied from the database. With views existing, multiple copies of data within the database now exist: the original in the database, and copies in the views. If one of these is changed, without corresponding changes made in the others, then inconsistencies occur, which cannot be tolerated. Under the invention, when a user seeks a lock on a view, indicating that a change may be imminent, the invention locks a superset of the tuples in the database from which the view is derived. A superset is a set which contains the set of tuples of the view, plus possibly others. Thus, more tuples are locked than strictly necessary. The excess locking is tolerated because other benefits are obtained.
    • 在数据库中,数据库管理器可以生成一个视图,概念上是一个数据库的子集,数据库的一个子集被放置在数据库之外而不会干扰数据库,而不受其他使用数据库的干扰。 子集或视图可以被理解为从数据库复制的数据的行或元组的集合。 随着视图的存在,数据库中的数据库的多个副本现在存在:数据库中的原始数据,并在视图中复制。 如果其中之一发生变化,没有对其他变更进行相应更改,则会发生不一致,这是不能容忍的。 根据本发明,当用户在视图上寻求锁定时,指示可能即将发生变化,本发明将锁定从该视图导出的数据库中的元组的超集。 超集是一组包含视图的元组,还有其他元组。 因此,更多的元组被锁定,而不是严格必要的。 由于获得了其他好处,所以允许过多的锁定。
    • 5. 发明授权
    • Porphyrazine coloring matter, ink composition, recording method, and colored object
    • 紫菜色素,油墨组成,记录方法和彩色物品
    • US08657433B2
    • 2014-02-25
    • US13377262
    • 2010-06-08
    • Kenji OoshimaTakashi YonedaYasuo KurodaAkira Kawaguchi
    • Kenji OoshimaTakashi YonedaYasuo KurodaAkira Kawaguchi
    • B41J2/01
    • C09B67/0084C09B47/26C09D11/328
    • Provided is a porphyrazine dye suitable for use in ink-jet recording, the porphyrazine dye giving a cyan ink with a satisfactory hue, having various excellent fastness properties, in particular, ozone resistance, and attaining a high color density. Also provided is an ink composition containing the dye. The porphyrazine dye is a porphyrazine dye represented by formula (1) or a salt thereof. In formula (1), rings A to D each independently represents a benzene ring, a nitrogenous heteroaromatic ring, etc.; E represents an alkylene; X represents sulfoanilino, etc.; R represents a hydrogen atom, sulfo, carboxy, etc.; group F represents phenyl, a nitrogenous heteroaromatic ring, etc.; a is an integer of 1-6; b is 0.00-3.90, excluding 3.90, on average; c is 0.10-4.00, excluding 4.00, on average; and the sum of b and c is 1.00-4.00, excluding 4.00, on average.
    • 本发明提供一种适用于喷墨记录的四氮杂卟啉染料,该四氮杂卟啉染料具有令人满意的色调,具有各种优异的牢度特性,特别是耐臭氧性,并获得高色密度的青色墨。 还提供含有该染料的油墨组合物。 四氮杂卟啉染料是由式(1)表示的四氮杂卟啉染料或其盐。 在式(1)中,环A至D各自独立地表示苯环,含氮杂芳环等; E表示亚烷基; X代表磺基苯胺基等。 R代表氢原子,磺基,羧基等; F组表示苯基,含氮杂芳环等; a为1-6的整数; b为0.00-3.90,平均不包括3.90; c为0.10-4.00,平均不包括4.00; b和c的总和平均为1.00-4.00,不包括4.00。
    • 9. 发明申请
    • Porphyrazine Coloring Matter, Ink Composition Containing The Same And Colored Product
    • 紫菜色素,含有相同色泽的油墨组合物
    • US20110242198A1
    • 2011-10-06
    • US13139402
    • 2009-12-22
    • Takashi YonedaAkira Kawaguchi
    • Takashi YonedaAkira Kawaguchi
    • B41J2/175C09D11/02C07F1/08
    • C09B47/26B41M5/0023B41M5/5218C09B47/00C09D11/328
    • The present invention relates to a porphyrazine coloring matter or a salt thereof represented by the following formula (1): [wherein, the rings A to D are independently a benzene ring or a nitrogen-containing heteroaromatic ring, the number of the nitrogen-containing heteroaromatic ring is more than 0.00 and less than 1.00 as an average value, the rest are benzene rings, E is alkylene, X and Y are a sulfo-substituted anilino group and the like, b is 0.00 or more and less than 3.90 as an average value, c is 0.10 or more and less than 4.00 as an average value, and the sum of b and c is more than 3.00 and less than 4.00 as an average value]. The ink composition containing the porphyrazine coloring matter of the present invention or a salt thereof is an ink composition which has a hue closer to the standard color as a cyan ink, is excellent in various fastnesses, particularly in ozone fastness, and can provide recorded images having a high print density and thus having a good balance, and further it is suitable for inkjet recording.
    • 本发明涉及由下式(1)表示的四氮杂卟啉色素或其盐:其中环A至D独立地为苯环或含氮杂芳环,含氮 杂芳环的平均值大于0.00且小于1.00,其余为苯环,E为亚烷基,X和Y为磺基取代的苯胺基等,b为0.009以上且小于3.90 平均值c作为平均值为0.10以上且小于4.00,b和c的和大于3.00且小于4.00作为平均值]。 含有本发明的四氮杂卟啉色素的油墨组合物或其盐是具有作为青色油墨更接近标准颜色的色调的油墨组合物,其各种牢度,特别是耐臭氧性优异,并且可以提供记录图像 具有高的印刷密度,从而具有良好的平衡性,并且还适用于喷墨记录。