comptia 902

select 1, 90Insert into Table2 select 2,100Insert into Table2 select 3, 70 Inline: Select * From Table1 join Table2 on table1.id = table2.id------------- Result -------------ID name ID score------------------------------1 Lee 1 902 Zhang 2 100------------------------------Note: Only the Table1 and Table2 columns that meet the conditions are returned. Left join: Select * From Table1 left join Table2 on table1.id = table2.id------------- Result -----

DePaul Data in the test4score table: Test4id score1 1001 901 901 802 902 822 10 APPLY Now, use the APPLY operator to obtain only two highest score records for each name: select * from test4 across apply( select top 2 * from test4score where test4id=a.id order by score desc) b The analysis is as follows: Right input -- select top 2 * from test4score where test4id = a. id order by score desc Left input -- select * from test4Evaluate the right i

", Next, select "VSwitch1", Next, tick "Use this port group to manage Traffic" (Network label can be renamed as needed), next, you need to fill in the IP address. Here the IP address is a soft route in the network segment (the management port is connected to the LAN port of the soft route), select manually enter the fixed IP. This example sets such as:Note The default gateway is a 172 segment by default, and a soft-routed gateway (192.168.0.1) is changed.3. Soft-Routed port forwardingLog in to t

table: ID Name1 leewhoeeuniversity2 Leewhoee3 DePaul Test4score Data in table: Test4id Score1 1001 901 901 802 902 822 10 APPLY Now use the Apply operator to get only the two highest score records for each name: ? 1 2 3 4 5 SELECT * from Test4 a cross apply (select top 2 * to Test4score where test4id=a.id order BY score Desc) b The analysis is as follows: Right Input--select top 2 * from Test4score where test4id=a.i

-------------------------------------------------ID Name | ID Score1 Lee | 1 902 Zhang | 2 1004 Wang | 3 70------------------------------------------------- eg. Left Join:select *from table1 left joins table2 on Table1.id=table2.id -------------Results-------------ID Name ID Score------------------------------1 Lee 1 902 Zhang 2 1004 Wang Null NULL------------------------------ Right Join:select *from table

row in the right table, all select list columns in the right table in the associated result set row are null (NULL).(2) SQL statementsSELECT * FROM table1 LEFT join table2 on Table1.id=table2.id-------------Results-------------ID Name ID Score------------------------------1 Lee 1 902 Zhang 2 1004 Wang Null NULL------------------------------NOTE: All clauses that contain table1, return table2 corresponding fields according to specified criteria, non-c

matching row in the right table, all select list columns in the right table in the associated result set row are null (NULL).(2) SQL statementsSELECT * FROM table1 LEFT join table2 on Table1.id=table2.id-------------Results-------------ID Name ID Score------------------------------1 Lee 1 902 Zhang 2 1004 Wang Null NULL------------------------------NOTE: All clauses that contain table1, return table2 corresponding fields according to specified criter

Tags: style blog http io ar os sp data divsuch as table-------------------------------------------------Table1 | table2 |-------------------------------------------------ID Name |id Score |1 Lee | 90 |2 Zhang 100 |4 Wang |3 70 |-------------------------------------------------The following are performed in Query AnalyzerOne, outer connection1. Concept: Includes a LEFT outer join, a right outer join, or a full outer join2. Left-side connection: outer JOIN(1) The result set of the left outer join

Label:such as table-------------------------------------------------Table1 | table2 |-------------------------------------------------ID Name |id Score |1 Lee | 90 |2 Zhang 100 |4 Wang |3 70 |-------------------------------------------------The following are performed in Query AnalyzerOne, outer connection1. Concept: Includes a LEFT outer join, a right outer join, or a full outer join 2. Left-side connection: outer JOIN(1) The result set of the left outer join includes all rows of the left table

.------------------------------ID name ID score------------------------------1 Lee 1 902 Zhang 2 1004 Wang null------------------------------*/ -- Right outer join is equivalent to right outer join)Select * From Table1 right Outer Join Table2 on table1.id = table2.id;/*Note: all the clauses containing Table 2 return the corresponding fields of Table 1 Based on the specified conditions. The non-conforming fields are displayed as null.------------------

specified in the left outer clause, not just the rows matched by the join column. If a row in the left table does not match a row in the right table, all the selection list columns in the right table in the row of the associated result set are null ).(2) SQL statementsSelect * From Table1 left join Table2 on table1.id = table2.id------------- Result -------------ID name ID score------------------------------1 Lee 1 902 Zhang 2 1004 Wang null ////////

. If a row in the left table does not match a row in the right table, all the selection list columns in the right table in the row of the associated result set are null ).(2) SQL statementsSelect * from table1 left join table2 on table1.id = table2.id------------- Result -------------Id name id score------------------------------1 lee 1 902 zhang 2 1004 wang NULL------------------------------Note: all the clauses containing Table 1 return the correspo

a row in the right table, all the selection list columns in the right table in the row of the associated result set are null ).(2) SQL statementsSelect * From Table1 left join Table2 on table1.id = table2.id------------- Result -------------ID name ID score------------------------------1 Lee 1 902 Zhang 2 1004 Wang null------------------------------Note: all the clauses containing Table 1 return the corresponding fields of Table 2 based on the specif

such as table-------------------------------------------------Table1 | table2 |-------------------------------------------------ID Name |id Score |1 Lee | 90 |2 Zhang 100 |4 Wang |3 70 |-------------------------------------------------The following are performed in Query AnalyzerOne, outer connection1. Concept: Includes a LEFT outer join, a right outer join, or a full outer join 2. Left-side connection: outer JOIN(1) The result set of the left outer join includes all rows of the left table speci

row in the right table, all select list columns in the right table in the associated result set row are null (NULL).(2) SQL statementsSELECT * FROM table1 LEFT join table2 on Table1.id=table2.id-------------Results-------------ID Name ID Score------------------------------1 Lee 1 902 Zhang 2 1004 Wang Null NULL------------------------------NOTE: All clauses that contain table1, return table2 corresponding fields according to specified criteria, non-c

table2 on Table1.id=table2.id-------------Results-------------ID Name ID Score------------------------------1 Lee 1 902 Zhang 2 1004 Wang Null NULL------------------------------NOTE: All clauses that contain table1, return table2 corresponding fields according to specified criteria, non-conforming null display3. Right Join(1) A right outer join is a reverse join of a left outer join. All rows of the right table will be returned. If a row in the right

address and the following error is prompted: Can not connect to asm due to following error: ORA-01031: insufficient privileges Solution: Here I will add my oracle users to the asmdba group.At the beginning, the two users were like this.[Root @ FINAPROD/] # id oracleUid = 901 (oracle) gid = 901 (oinstall) groups = 903 (region), 902 (dba), 904 (asmadmin)[Root @ FINAPROD/] # id grid Uid = 1100 (grid) gid = 901 (oinstall) groups =

-------------------- VALUE comment user_dump_dest string G: \ ORACLE \ PRODUCT \ 10.2.0 \ ADMIN \ ORCL \ udump SQL> select distinct sid from v $ mystat; SID ---------- 147 SQL> select paddr from v $ session where sid = 147; PADDR -------- CA280DDC SQL> select spid from v $ process where addr = 'ca280ddc '; www. 2ct O.com SPID ------------------------ 5360 to udump, open the file with process number 5360, part of the content is as follows: [SQL] *** 01:21:34. 944 *** action name :() 01:21:34.

transmitted by Vsphere Web Access client and other SDK clients. If you use a different port number for HTTPS, you must use 636 for vcenter link mode, this is the SSL port for the local instance. If another service is running on this port, it is a good idea to remove the service or change its port to another port. You can run the SSL service on either port from 1025 to 65535. The 902 vcenter Server system is used to send data to the managed host's

-compatibility for more information. "," code ": 50773," codename ":" L ocation50773 "}) [emailprotected]/mongo/shell/bulk_api.js:420:48bulk/[emailprotected]/mongo/shell/ Bulk_api.js:902:1bulk/[emailprotected]/mongo/shell/bulk_api.js:1150:21[emailprotected]/mongo/shell /crud_api.js:252:9@ (Shell):1:1[10.240.129.36:[emailprotected]]> Db.admincommand ({ Setfeaturecompatibilityversion: ' 4.0 '}) {"OK": 1}//can see, error, reset version compatibility, the