日本经营学家认为在现代市场中，永远存在市场的盲点。这一理论被称为（）。 经济进化论。 不完全*市场理论。 规模经济理论。 市场缝隙理论。
国家电网公司对风电场电压控制的要求是什么？
When performing a database duplication， which duplicate database parameter would you set to ensure that the online redo logs are created in the correct location？（） log_file_name_convert。 convert_log_file_name。 file_name_convert_log。 redo_log_file_name_convert。 logfile_convert_directory。
You are a professional level SQL Server 2005 database administrator in an international corporation named Wiikigo. You are experienced in implementing high-availability solutions， monitoring the database server， and design deployment. In the company， you major job is the deployment， maintenance and support of Microsoft SQL Server 2005. You work as a database administrator for a financial services company. Replication is configured between two SQL Server 2005 computers， and the servers are respectively named SQL1 and SQL2. Real-time transactional data is stored by the SQL1. And SQL2 is utilized for reporting. The data on SQL01 should not be changed by SQL2. The publication contains a large amount of data. Since you are the database administrator， you need to make sure that data is replicated from SQL1 to SQL2 in as near real-time as possible to confirm accurate reporting during replication. In addition， you need to make sure that this data is replicated securely. Which action should be performed？（） Snapshot replication should be set on SQL1. And then SQL2 should be set as a standard subscriber for a standard subscription.。 Transactional replication should be set on SQL1. And then， SQL2 should be set as a standard subscriber for a standard subscription.。 Merge replication should be set on SQL1. And then SQL2 should be set as a standard subscriber for an updateable subscription.。 Transactional replication should be set on SQL1. And then， SQL2 should be set as a standard subscriber for an updateable subscription.。
Your database is functional with peak load for one hour. You want to preserve the performance statistics collected during this period so that they can be used for comparison while analyzing the performance of the database in the future. What action would you take to achieve this task？（） Set the STATISTICS_LEVEL initialization parameter to ALL.。 Create a baseline on a pair of snapshots that have the statistics of the peakload period in the database.。 Decrease the snapshot interval in the AWR to collect more number of snapshots during the peakload period.。 Set the snapshot retention period in the Automatic Workload Repository （AWR） to zero to avoid theautomatic purging of the snapshots.。
土壤环境中的铜绿假单孢菌属于（）
