增值税是一种（） 比例税。 累进税。 价内税。 定额税。
依据水分因子分类
A simple master-to-slave replication is currently being used. The following information is extracted from the SHOW SLAVE STATUS output: Last_SQL_Error: Error 'Duplicate entry '8' for key 'PRIMARY' ' on query. Default database: 'mydb'. Query: 'insert into mytable VALUES ('8' , 'George') ' Skip_Counter: 0 Retrieved _Gtid_Set: 38f32e23480a7-32a1-c323f78067fd37821: 1-8 Auto _Position: 1 You execute a "SHOW CREATE TABLE mytable" on the slave: CREATE TABLE 'mytable' ( 'ID' int(11) NOT NULL DEFAULT '0', 'name' char(10) DEFAULT NULL, PRIMARY KEY ('ID') ) The table mytable on the slave contains the following: You have issued a STOP SLAVE command. One or more statements are required before you can issue a START SLAVE command to resolve the duplicate key error. Which statement should be used?（） SET GTID_NEXT="CONSISTENCY"; BEGIN; COMMIT; SET GTID_NEXT="AUTOMATIC"。 SET GLOBAL enforce_gtid_consistency=ON。 SET GTID_EXECUTED="38f32e23480a7-32a1-c323f78067fd37821 : 9"。 SET GTID_NEXT="38f32e23480a7-32a1-c323f78067fd37821 : 9"; BEGIN; COMMIT; SET GTID_NEXT="AUTOMATIC"。 SET GLOBAL SQL_SKIP_SLAVE_COUNTER=1。
You have altered a non-unique index to be invisible to determine if queries execute within an acceptable response time without using this index. Which two are possible if table updates are performed which affect the invisible index columns?（） The index remains invisible.。 The index is not updated by the DML statements on the indexed table.。 The index automatically becomes visible in order to have it updated by DML on the table.。 The index becomes unusable but the table is updated by the DML.。 The index is updated by the DML on the table.。
你是如何理解学校文化的？它有哪些功能？
对IT成本模型下列哪项通常不作为输入的主要成本类型（）
