Abstract: A semiconductor device includes: two conductive members; a semiconductor element bonded to one of the two conductive members; and a relay terminal bonded to the two conductive members. The relay terminal has a first strip portion and a second strip portion that are bonded to the two conductive members, and a connecting portion that connects the first strip portion and the second strip portion. The first strip portion has a first side. The connecting portion has a first intermediate side, and a first connecting side connecting the first side and the first intermediate side. As viewed in the thickness direction, the first connecting side is located away from a first virtual intersection that is an intersection of a first virtual line overlapping with the first side and a second virtual line overlapping with the first intermediate side.

Abstract: A DBMS is configured to identify a Boolean expression and conditional expressions from a search query, and to extract for each of the identified conditional expressions the value of a record ID conforming to a conditional expression. The DBMS is configured to change a conformity result value corresponding to the extracted record ID and conditional expression to a first value signifying conformity, in Boolean expression determination information, which is information that includes a determination set having a record ID value and a plurality of conformity result values respectively corresponding to a plurality of conditional expressions, and, on the basis of the Boolean expression, to perform logical operations on the plurality of conformity result values of a determination set, for each determination set in the Boolean expression determination information.

Abstract: A DBMS is configured to identify a Boolean expression and conditional expressions from a search query, and to extract for each of the identified conditional expressions the value of a record ID conforming to a conditional expression. The DBMS is configured to change a conformity result value corresponding to the extracted record ID and conditional expression to a first value signifying conformity, in Boolean expression determination information, which is information that includes a determination set having a record ID value and a plurality of conformity result values respectively corresponding to a plurality of conditional expressions, and, on the basis of the Boolean expression, to perform logical operations on the plurality of conformity result values of a determination set, for each determination set in the Boolean expression determination information.

Abstract: An execution system executes an update batch according to an update batch execution request from a terminal device and gives a batch execution command to each standby system. Each system stores the content of updated data in its update buffer; and subject to termination of the update batch by each system, the post-update data content is reflected in a database. While the above processing is performed, the execution system and the standby systems accept a reference request from the terminal device; and in a case of “batch not executed” or “batch in execution”, each system searches the database and then returns the pre-update data content to the terminal device; and in a case of “update content being reflected”, each system searches the database or the update buffer and then returns the post-update data content to the terminal device.

Abstract: An execution system executes an update batch according to an update batch execution request from a terminal device and gives a batch execution command to each standby system. Each system stores the content of updated data in its update buffer; and subject to termination of the update batch by each system, the post-update data content is reflected in a database. While the above processing is performed, the execution system and the standby systems accept a reference request from the terminal device; and in a case of “batch not executed” or “batch in execution”, each system searches the database and then returns the pre-update data content to the terminal device; and in a case of “update content being reflected”, each system searches the database or the update buffer and then returns the post-update data content to the terminal device.

Abstract: Provided is a computer system including: an active system; and a standby system. The active system generates, when an update request is received, an after-update log, and sends the after-update log to the standby system at a predetermined timing. The standby system generates a before-update log based on the after-update log sent from the active system and the stored data, updates, after the before-update log is generated, the stored data based on the after-update log, and rolls, when a rollback request is received, the data back to the data before update based on the generated before-update log. Accordingly, it becomes possible to suppress an increase in period of time to reflect the data updated in the active system on the standby system, and to suppress an increase in period of time for rollback of the data performed in the standby system.

Abstract: There is provided a method of creating an index, which is executed in a document retrieval apparatus. The index includes index information and a trie, the index information includes an index item formed of a character string, the trie is formed of a plurality of nodes each including a part of the character string of the index item, and the index information and each of the plurality of nodes of the trie are associated with each other. The method comprises the steps of: dividing the index information by a unit of an index information block when a first node of the trie is associated with a plurality of the index information blocks, and a search time required for searching all the index information associated with the first node of the trie exceeds a predetermined first threshold; and associating the divided index information with the second node.

Abstract: Even an instrument with a small memory capacity realizes fast document retrieval through the use of a trie. A computer generates an index layered node by grouping the nodes in the trie as a family with relation to a parent node and layers the first and second tries with the index layered node as a border. The first trie is stored in a storage area of a main storage unit. The second trie is stored in a storage area of a secondary storage unit. When the computer accepts an input of a term to be retrieved, in the first and the second tries, the computer traces characters of a character string composing the term to be retrieved and then reaches the index information for the concerned character string. The computer reads the index information and retrieves a document having the term to be retrieved and a location of the document.