幼儿园党的基层组织即党支部的领导作用是（）三者的有机结合。 政治领导。 行为领导。 思想领导。 组织领导。
A customer has determined they want to install an IBM x445 system in their company. They will be running a large database on the system. In order to determine how many CPUs will be needed to attain the optimum cost-effective solution， which TWO of the following questions should be asked？（） How large is the database？。 What is the expected user workload？。 How is the database software licensed？。 What type of user interface will be used？。 How much data cache will the database be allocated？。
Examine the description of the MARKS table: STD_ID NUMBER(4) STUDENT_NAME VARCHAR2(30) SUBJ1 NUMBER(3) SUBJ2 NUMBER(3) SUBJ1 and SUBJ2 indicate the marks obtained by a student in two subjects. Examine this SELECT statement based on the MARKS table: SELECT subj1+subj2 total_marks, std_id FROM marks WHERE subj1 > AVG(subj1) AND subj2 > AVG(subj2) ORDER BY total_ marks; What is the result of the SELECT statement? （） The statement executes successfully and returns the student ID and sum of all marks for each student who obtained more than the average mark in each subject.。 The statement returns an error at the SELECT clause.。 The statement returns an error at the WHERE clause.。 The statement returns an error at the ORDER BY clause.。
各类肥料的特点：
The data file belonging to the SYSTEM tablespace is corrupted and no backup of the file is available. How do you recover the data file？（） The data file cannot be recovered.。 The date file can be restored from the SYSTEM auto backup.。 Take thetablespaceoffline，drop，kand re-create it.。 Recovery Manager （RMAN） is used to recover the data file.。 The ALTER DATABSE CREATE DATAFILE..commandis used to recover the data file.。
就活动的方向来说，游戏和教育之间（）
