sql where multiple conditions

A fixed SQL we can spell this: SELECT * from Lccont where ID If each condition is changed to determine whether the first condition is too bloated for the program, we can spell the fixed section of SQL as: "SELECT * from Lccont where 1=1", so that we can directly append "and ID We can spell the fixed section of SQL as: "SELECT * from Lccont where 1= 1 order 1=1" s

Obtain the hours of the current time in SQL: select ltrim(datepart(hh,getdate())); Problem conditions: If the current time is before 8 hours, the accumulated rainfall after 8 hours of yesterday is used. If the time is after 8 days, the data is obtained after 8 hours of today. The SQL statement is as follows: select t.STNM,t1.DRP,t.LTTD,t.LGTD,t1.STCD from( s

Tags: image RDA src technology ack date query end IMAThe main use of SQL functionsDATEDIFF (datepart,startdate,enddate)SQL statement with database table TableA (date field ddate)--Query todaySELECT * from TableA where DateDiff (dd,voucherdate,getdate ()) = 0--Query yesterdaySELECT * from TableA where DateDiff (dd,voucherdate,getdate ()) = 1--Query this weekSELECT * from TableA where DateDiff (Dd,voucherdate

SQL statement table for calculating the time difference between two rows formed by different conditions in the same column CREATE TABLE `hp_report` ( `id` int(10) unsigned NOT NULL auto_increment,`code` varchar(255) NOT NULL, `content` mediumtext NOT NULL, `ctime` datetime NOT NULL,) ENGINE=MyISAM DEFAULT CHARSET=utf8 AUTO_INCREMENT=662555 ;INSERT INTO `hp_report` VALUES (2, 'a', 'on', '2014-07-04 21:

; Create TableMaxtest (ageint, hightint); Query OK,0Rows Affected (0.27sec) MySQL> Insert intoMaxtestValues( -, the); Query OK,1Row affected (0.05sec) MySQL> Insert intoMaxtestValues( -,173); Query OK,1Row affected (0.06sec) MySQL> Insert intoMaxtestValues( +,193); Query OK,1Row affected (0.06sec) MySQL> Insert intoMaxtestValues( at,199); Query OK,1Row affected (0.06sec) MySQL> Select * frommaxtest;+------+-------+ |Age|Hight| +------+-------+ | - | the | | - | 173 | | + | 1

Label: SELECT UPPER(f.tablespace_name) "tablespace name", D.TOT_GROOTTE_MB "table space size (M)", D.TOT_GROOTTE_MB-f.total_bytes "used Space (M)", To_char (ROUND((D.TOT_GROOTTE_MB-F.total_bytes)/D.tot_grootte_mb* -,2),'990.99')|| '%'"Use ratio", f.total_bytes "free Space (M)", F.max_bytes "Max Block (m)" from(SELECTTablespace_name,ROUND(SUM(BYTES)/(1024x768 * 1024x768),2) Total_bytes,ROUND(MAX(BYTES)/(1024x768 * 1024x768),2) Max_bytes fromSYS. Dba_free_spaceGROUP bytablespace_name) F, (SELECT

How can I use SQL to merge rows with the same conditions?Create Table AA (C1 char (2), C2 varchar (10 )) Insert into AA values ('11', 'aaa ') Insert into AA values ('11', 'aab ') Insert into AA values ('21', 'ccc ') Insert into AA values ('11', 'aac ') How to achieve the result: C1 C2 11 AAA, AAB, AAC 21 ccc --------------------------------------------------------- Implementation MethodCreate a Me

In SQL statements, when the number of conditions is very large, what better way to replace the where...in conditional clauses?

The first one is higher than the second.Query statement meaning:If the Tablecode in Codelist is configured to 0 o'clock,T.table_code = ' Sv_return_bill ' does not take effect.If the Tablecode in Codelist is configured to 1 o'clockCondition T. Table_code = ' Sv_return_bill ' in effectSELECT * fromSm_affix TWHEREt.record_id= 865904162 and(T.table_code= 'Sv_return_bill' OR (SELECT COUNT(*) fromAd_lov_code_v TWHERET.list_code= 'Sm_affix' andT.lov_code= 'Tablecode'

protected]+ '% 'Order by T.currdate, T.machineno, T.bccode, T.dispatchnoEndelse if @GroupType = ' Sum 'BeginSelect T.empgroupno,case when t.empgroupno= ' summary ' then ' else T.empid end Empid,t.empid EmpID2, currdate, case when T.bccod E= ' A ' then ' Day shift ' when t.bccode= ' B ' then ' late ' else ' end as Bccode,dispatchno,tz_customerno,productname,productno,tz_mono, Dispatchnum,standsocketnum,socketnum, convert (varchar), CAST (socketrate*100 as Decimal (10,0))) + '% ' as socketrate,st

Tag:setarc need ampcond statements pos active nsarray Assemble an SQL statement with different conditionsTopic Requirements: Currently need to pass the conditions of different member information, advanced query for members, this time it is necessary to the SQL statement assembly work. Needs to inquire the condition has, the member number, the member nickname, th

SQL; create table work . ticketagents as select LastName, FirstName, Jobcode, salary from Sasuser.payrollmaster, sasuser.staffmaster where payrollmaster.empid = Span style= "color: #000000;" > Staffmaster.empid and jobcode contains " ta 2: Presentation forms, and restrictions in tablesTABLE Table -name-1table-name-n>;The full build statement is generated in the log!Proc Contents Data=libref.tablename can also/* Limit

Label:In the data query, often encountered the need to dynamically build query conditions. Using LINQ to implement this requirement may be more cumbersome than stitching up SQL statements in the past. This article describes 3 ways to dynamically build query conditions at run time. The examples in this article all end up with the same functionality, searching from

NULL in SQL syntax can be a lot of trouble, preferably indexed columns are NOT NULL, a composite index can be established for IS null, NVL (field, 0), index Lookup can be re-enabled after table and index analyse, is null query, But efficiency is still not a certainty; the IS isn't null when the index is never used. Tables with large data volumes do not use the IS null query.3, the query condition uses the not equal to the operator (Cause: In

' * ' to all column names in the process of parsing, which is done byEnquiryThe data dictionary is done, which means more time is spent.(4) Reduce the number of access to the database:Oracle does a lot of work internally: parsingSQLStatement, estimatingIndexUtilization, binding variables, read data blocks, and so on.(5) inSQL*plus,SQLThe ArraySize parameter is reset in *forms and pro*c to increase the amount of data retrieved per database access, with a recommended value of 200.(6) Use the Deco

(Recordtime,cardcode,cuscode,relname,boothcode,deposit,usercode,businesstype, Businessvalue) - SelectEDITDATE,PARTCARDNO,KHDM,KHMC,"', Ysje,usercode,'Vicecard','Secondary Card' fromIccardcopyrecord $ the --Temporary card regularization the Insert into#TempTableTradInfoCount (Recordtime,cardcode,cuscode,relname,boothcode,deposit,usercode,businesstype, Businessvalue) the SelectPd. Recordtime,cus. Iccardnocpu,cus. Kh_dm,cus. KH_MC,"'Pd. Deposit,registration,'Temcard','Temporary card' fromPosit

SQL Application and Development: (5) connecting multiple data tables and multiple SQL tables Different tables in the database store different data. Users often need to use the data in multiple tables to combine and extract the required information. If a query needs to operat

One SQL statement queries multiple databases and multiple SQL statements Requirement: An SQL statement is used to query the associated results from multiple databases and output them to the client. Investigation: The spring fram

SQL does not repeatedly search for data and concatenates a column of multiple rows into one row. SQL multiple rows See the following table: Table Name: Test ID RowID Col1 Col2 1 1 A A 2 1 B A 3 1 A B 4 1 C B 1. The fiel

Tags: SQL statement formExample:Sql= "Select ISNULL (SUM (exbd_ex_num001), 0) as RESULT from Tex_business_dataWHERE (exbd_ex_str002= ' $current ()/billc_ex_str003$ ') and (exbd_ex_str003= ' duly cast ') ▓billc_ex_int02 SELECT SUM (Bill_ AMOUNT) as RESULT from Tbill▓billc_ex_int03 Select SUM (bill_acc_amount) as RESULT from Tbill ">0Add a refresh button after the billc_ex_int01 field in the xsl:Explanation: By clicking the Refresh button, the