![]() Specifies that the existing database should be overwritten with a new one when a connection is attempted. Specifies that unneeded transaction log files are deleted during a checkpoint operation.Įnables applications that connect to a shared database to specify whether the real memory should be locked during database loading. Use explicit sync operations as needed to sync log data to disk) The size of the internal log buffer in MB.Ĭontrols the method used by TimesTen to write and sync log data to transaction log files.ġ (Write data to transaction log files using buffered writes. ![]() Specifies whether a connection is allowed to a failed database if it is not properly restored from the corresponding subscriber database.Įnables forced disconnections through ttAdmin -disconnect.ĭetermines whether the first connection to a database should proceed if TimesTen recovery encounters a defective log record. (System does not generate periodic epochs) Indicates the number of seconds between epochs. The lesser of 2000 or the number of semaphores specified in the SEMMNS kernel parameter minus 155. Indicates the upper bound on the number of user-specified concurrent connections to the database. Specifies that the first connection creates the database if it does not exist.Ĭontrols the number of log files that can accumulate before a backup fails.Ġ (Log files can continue to accumulate without a limit)Ĭontrols the frequency in seconds that TimesTen performs a background checkpoint.Ĭontrols the amount of data in megabytes that collects in the log between background checkpoints.Ĭontrols the maximum rate at which data should be written to disk during a checkpoint operation.Ĭontrols the number of threads used to read a checkpoint file when loading the database into memory. Table 2-2 Fi rst connection attributes Name Specifies that the database is not saved to disk. Specifies the number of tracks available for automatic parallel replication. Specifies that disk space for the checkpoint files should be preallocated when creating the database.Ġ (Starts automatic parallel replication) The directory where transaction log files are stored. If K-safety is set to 1, the default value is 1. ![]() If K-safety is set to 2, the default value is 0. #UNIVERSAL DATABASE DSN FORMAT DRIVER#Specifies the TimesTen ODBC Driver Manager.ĭetermines the durability of "prepare-to-commit" and commit records This attribute is required at database creation time.Ī statement that identifies the use of the data source name. Identifies the character set used by the database. A name that identifies the specific attributes of a connection to the database. ![]()
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