Tags: des style blog color io strong for ARsql:structured Query LanguageOne, objectives in this chapter:
Invoke the SQL procedure
Select columns
Define New columns
Specify the table (s) to read
Specify subsetting criteria
Order rows by values of one or more columns
Group results by values of one or more columns
End the SQL procedure
Summarize data
Generate a repo
restrict*/6 ORDER by column-1,...,column-N>>;/*ORDER BY: Sorts the results of a query based on subsequent variables*/Remarks: The clauses in the PROC SQL SELECT statement need to be arranged in the order described above.Three, Displaying all Columns 1. Use SELECT *: All columns can be rendered1 proc SQL; 2
the notation of this macro functionTrim to left end to right endCall Symput ('numpaid', trim ( leftCreate a macro based on the variable namedata _null_; Set Sasuser.courses;call symput (Course_code, Trim (course_title)); /* Two variables in each observation to the macro value and the macro variable */run; %put _user_;Scan rules for multiple macro triggersThe macro processor treats two as one, so the first scan lv2 is processed into (LV2)->lv1, and the second scan draws resThe LV2 first scan w
Proc report includes the print, means, tabulate, sort process, and data step functions:
I. Basic Syntax:
1 Data natparks; 2 infile 'C: \ myrawdata \ parks. dat '; 3 input name $1-21 type $ region $ museums camping; 4 run; 5 6/* ----- group and analyze SS variables (group: vertical; horizontal SS: horizontal) --- */7 * region as group and type as variant SS variable with sums; 8 proc report data = natparks n
to customize the sheet name. By default, the sheet name is the same as that of the SAS dataset. note: sheet-name cannot end with $ */run. [file suffixes of various PCs and corresponding DBMS identifier] type of file suffix DBMS identifier Microsoft Excel :. XLS ------------- Excel (32-bit windows) ----------- XLS (Unix or 64-bit windows) DBASE. DBF ------------ dbf jmp. JMP ------------ JMP Lotus. wk4 ------------ wk4 paradox. DB ------------ paradox
1 Proc Sort data = Data - Set 2 Out = Neat 3 Nodupkey 4 Dupout = Extraobs; 5 By Variable - 1 Variable - 2 ... Variable - N; 6 Run; Note:
If out = is not specified, the sorted data is automatically replaced by the original dataset.
the nodupkey option command SAS deletes repeated observations of variables in the by statement.
dupout = option command
, state, ZipCode from sasuser.frequentflyers where 7000 and the ; quit;Data dictionaryDictionary tables is special, read-only SAS tables that contain information about SAS data Libraries, SAS macros, and external files that is in use or available in the current SAS sess Ion.Dictionary tables also contain the setting
Tags: des style blog io color ar using SP forThe difference between SAS proc SQL and ordinary SAS statements1:the PROC SQL Step does not require a RUN statement. PROC
Tags: system aspect details program Depth www large number mining statistics TSMSQL: Personally think that SQL is the necessary language for data work, SQL language in the common database is basically universal, learned to use one. Reprint Please specify source: http://www.cnblogs.com/SSSR/p/7016660.html Sas: SAS is a
selects all >20 records=any equal to In3.9:using the All OperatorAll and any opposite3.10:exsits, not exsitsFor exsits, the output is true, and the false is not output.For not exsits the opposite./ * Demand, choose the name of the person who is the employee and often flies alone * *Procsql Title'Frequent Flyers who is Employees'; SelectName fromSasuser.frequentflyers where exists (Select * fromSasuser.staffmaster whereName=Trim (LastName)||', '||FirstNameOrder byNameQuit4,NOEXEC, VALID
1: Three ways to build a tableBuilding a table will only create a table in the library and display it in the log, and there will be no output.1.1: Define columns yourself to create an empty tableColumn-specification = column-define + column-constriants + message=/msgtypeData in SAS is stored in only two ways, one char (n), and one Num. SAS also supports SQL nativ
, efficiency than correlated sub-query efficiency is higher! noncorrelated : A self-contained subquery that executes independently of the Outer query proc SQL; Select Empid, LastName, FirstName, City, state from Sasuser.staffmaster where inch / * Unrelated, multiple return value instances * /(Select empid from where Month(dateofbirth)=2correlated: A dependent sub
Basic syntax for vertical operation of SQLprocSQL;Select * fromtable1Set-operator all > corr>Select * fromtable2Set-operator all > corr>Select * fromTable3;1: Several set operators Except, Intersect, Union, OuterjoinThe Except, Intersect, and union three set symbols are unique processing by default and are performed in two steps when unique processing occurs1. PROC SQL eliminates duplicate (nonunique) rows
with SSMs login. If the login fails, the script executed under sqlcmd fails. You need to repeat the steps above and modify steps 3 and 4 to manually add the SQL Server local administrator by using SSMS login.Recommendation: When installing SQL Server, be careful to add the correct SQL Server local administrator and set the mixed authentication mode and SA passwo
SQL procedures in SAS can organize data, data merging, and data selection functions.SQL procedures can stitch two datasets, create tables, delete rows and columns in a table, and simply calculate individual variable values.For example:Proc SQL;CREATE VIEW Work.body AS//select the variable id,de,age,sex from the ad table and add a variable height and a new table b
The following is a complete example of the first three dynamic SQL statements of Proc.
(1) Dynamic sql1: it cannot be a query (select) Statement, and there is no host variable.Usage: spell a dynamic SQL statement and execute it with execute immediate, for example:Exec SQL execute immediate CREATE TABLE test (test_col v
This is a creation in
Article, where the information may have evolved or changed.
A long time did not write a blog, recently really a bit depressed, the first level of their own limited, in the road to become Daniel struggling, ferocious struggle, followed by some people dissatisfied with certain attitudes, I think attitude is very important, good, spit groove is complete.
SQL Server is required for the project. First Golang connect
This is a creation in
Article, where the information may have evolved or changed.
A long time did not write a blog, recently really a bit depressed, the first level of their own limited, in the road to become Daniel struggling, ferocious struggle, followed by some people dissatisfied with certain attitudes, I think attitude is very important, good, spit groove is complete.
SQL Server is required for the project. First Golang connect
Label:Stored procedures are like C # methods 1. The thing is written in the process, directly call the stored procedure 1.1 Procedure with no parameters /*transaction things, procedure stored procedures */
CREATE proc copytable_1_10000 as
begin tran--Things
declare @tran_ The error int;--declares the parameter
set @tran_error =0;--assigns a value to the parameter
declare @i int,@y int;
Set @i=10000;set @y=1;
/* When the new table does not exist, copy
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