The EMP table has some discrepancy in data entry with a particular employee ID. You execute the query as shown in the Exhibit to retrieve all versions of the row that exist between two SCNs.View the Exhibit. Which two statements about the results of the query shown in the Exhibit are correct? （）(Choose two.) The LAST_SCN value in the first row is NULL, which means that the versions of the row still exist at SCN 6636300.。 The LAST_SCN value in the second row in NULL, which means that the version of the row still exists at SCN 6636300.。 The LAST_SCN value in the third row is 6636280, which means that the version of row exists above SCN 6636280.。 The LAST_SCN value in the second row is NULL, which means that the version of the row no longer exists because it was deleted.。
总投资2亿元以下且总库容在10亿m3以下的大中型和单位库容（每立方米）建设投资大于4元的小型病险水库除险加固工程，可直接编制（）。 初步设计。 可行性研究报告。 施工设计。 以上都不对。
为有利于石灰土强度的形成，用作路面基层的石灰土应在冰冻前（）完工。 30天。 45天。 60天。 15天。
黄先生，45岁。触电后心脏骤停，初期复苏虽成功，但患者意识丧失，需进行二期复苏使用复苏药物首选的给药途径是（） 心内注射。 气管内滴注。 臀大肌注射。 肘静脉注射。 皮下注射。
Your database instance is currently configured to support 1，500 connections. The Web applicationthat uses the database allows a large number of users to work with the database simultaneously. Someusers of the Web application do not interact with the server all the time. You want to increase the scalability by configuring the database instance to handle more connections. Asa DBA， which configuration would you set to support more than 1，500 connections at a time（） You would configure more listeners for the database.。 You would configure the database in shared server mode to use the connection pooling feature.。 You would increase the value of the PGA_AGGREGATE_TARGET initialization parameter that assigns more session memory to users.。 You would decrease the value of the PRIVATE_SGA resource limit in the profiles used by the users to accommodate more session information.。
Give;
What is the result?（）
