our database is in the MOUNT state and you execute the following command to open it： ALTER DATABASE OPEN What two actions are performed as a result of this command？（） All control files are opened.。 All redo log files are opened。 The password file is opened.。 The parameter file is opened.。 All online data files are opened.。
压，绝对压力，大气压的关系（） p表压＝p绝－p大。 p绝＝p大－p表。 p大＝p表－p绝。
You are developing a report to allow customers in a department store to view product information. You added a button to the layout to allow customers to view the picture of the product. Which button property would you alter to specify the source of the .BMP file?（） Type 。 Multimedia file 。 Multi media file type 。 Label type。
下述试验方法中，属于粒度成分分析的试验是（） 沉降分析法。 标准贯入试验。 搓条法。 原位压缩试验。
You are creating a tabular report for the sales department with a department break group. You need to ensure that if al least six sales records will not fit at the button of a page, the group will start on the next page. Which printing frame property would you alter to achieve these results?（） Source 。 Print direction 。 Maximum records per page 。 Minimum Widow records 。 Column mode。
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