http://cuisuqiang.iteye.com/blog/1480525Fuzzy query like to write this way note the object parameter and the kind syntax
PublicStatic void Main (string[] args) {
object[] para = new object[]{"%c%"};
list"select * from S_user t where t.username like ?", para);
for(object[] o:list) {
for (Object ob:o) {
System.out.print (ob + "-");
}
System.out.println ();
}
}
From for notes (Wiz) JdbcTemplate exception: Like fuzzy query error (Parameter index out of
Tags: style blog color ar data sp div on logIf the name and price are empty, all the data is retrieved1 1 Select * fromtblproduct2 2 where(@proName="' orChvproname like '%'+@proName+'%')3 3 and(@minPrice="' orMnyproprice>=@minPrice)4 4 and(@maxPrice="' orMnyproprice@maxPrice);5 5 6 6--Replace the arguments with strings below7 7 --Test8 8 Select * fromtblproduct9 9 where("'="' orChvproname like '%'+"'+'%')Ten Ten and("'="' orMnyproprice>=null) One One and("'="' orMnyproprice);--
: 010101,010102,010103,010104 .....Database query using like ' 1% ' will be able to get the first class classification 01 under all sub-categories, very convenient!If you want to list the tree structure of all the classifications, just use a single statement select * from Pro_class Order by code, and then just a little bit of processing. (where Pro_class is the product classification table, code is the category code).The database structure is designed as follows:ID: Category ID, primary keyClass
The client connects to the ZK server, then Ls/curator_sample, with the following error:
Search from the Internet to an article: http://stackoverflow.com/questions/10249579/ Zookeeper-cli-failing-ioexception-packet-len12343123123-is-out-of-range
One of the answers is:
I went to see the next error in the location of the Clientcnxnsocket.java 112 lines. The code is as follows:
Found the size of the Packetlen is 4096*1024,
It turns out that the
column is the contents of all rows with 0 to 9 10 digits, and there are no eligible content in the column + Select* fromTeacher - whereClass like'[0-9]%'2 Show——————————————————————————————————————————The essence of the blog, in the technical part, more in the town yard a poem.Sqlsever is a good language, worth studying hard. Familiar with the database of additions and deletions, write procedures necessary.If the content of the post can be improved, or even the wrong place, please leave a comme
The problem was caused by his carelessness, when it was fixed to the code, but there was no clue at all, knowing that I had found a problem in the realization.Here's the code for the error:datarow[] Tmpdrlist = TMPDT. Select (String. Format ("UserGroup = {0}", dr["UserGroup"]. ToString ()));The above code does not have any grammatical problems, only when the problem occurs at the time of operation, then the best solution, and finally from the business implementation found that the database field
Tags: style blog color sp Div C log r bsSelect * fromStudentswhereEnglishname like '[c-r]%'--Query the record of the Englishname field beginning with the letter ' C '-' r 'Select * fromStudentswhereEnglishname like '[cr]%'--Query the record where the Englishname field begins with a letter between ' C ' or ' r 'Select * fromStudentswhereEnglishname like '%100/%%' Escape '/' --query for records containing ' 100% ' in the Englishname field--query englishname,name,classname any field containing '
Label:A paging problem, DTCms3.0, paging is based on the time page, if the Add Time (add_time) is the same value, regardless of the number of pages clicked, the data displayed is the same content, so there is a need to change the same time to specify a random date function.The original paste script goes to http://bbs.csdn.net/topics/340165720 on the 7th floor of Feilniu.The SQL script is as follows:DECLARE@BDatedatetime,@EDatedatetimeSET@BDate='20150701'--Lower LimitSET@EDate='20150714 23:59:59
1:update table Name set column name = SUBSTR (column name, INSTR (column name, ' match character ', "+1") Where condition like '%*% '2:select SUBSTR (column name, INSTR (column name, ', ', +1) as D from table name T where condition like '%-% ';Example: Select INSTR (' orc+001 ', ' + ', ' a ') from dualThe return is "4" if the string has no matching character and returns "0".The format of the Instr:instr method isINSTR (source string, target string, starting position, matching ordinal)On 2: +1 is
Tags: SQL ServerA similar article was written earlier, which is used for developmentIf OBJECT_ID (n ' tf_data_timerange ', n ' FN ') is not null drop function Tf_data_timerange go create function Tf_data_timerang E (@startDate varchar (20),--Start date @endDate varchar (20),--End date @dataType INT--Data type 1: Hours 2: Day) returns @tem P table (int,monitortime varchar) as/********************************--function: Recursive generation time period--AUTHOR:ZHUJT-- Create date:2015-5-28 17:07:1
A: The concept of a Range objectThe Range object represents a contiguous area on the page, and through the Range object, you can get or modify any area on the page by creating an empty Range object as follows:var range = Document.createrange ();In HTML5, each browser window
Forgot a detail in the previous article. What does Range t-k really mean? Range T-k Lock represents a class of lock patterns (avoiding phantom reads) that are used in the SERIALIZABLE isolation level to protect data within the scope from being affected by concurrent transactions. It is composed of two parts:The first part represents the lock of an index range, in
The ThinkPHP3.1 naming range feature provides a series of (coherent operation) packages for model operations, allowing you to query and manipulate data more easily. Let's take a look at this usage in detail below.
1. Defining attributes
To use the naming range feature, the _scope attribute definition of the model class and the use of the scope coherent operation method are mainly involved.We first define t
The naming range function of ThinkPHP3.1 provides a series of (consistent operations) encapsulation for model operations, allowing you to conveniently query and operate data. This article mainly introduces the use of ThinkPHP3.1 naming range. For more information about ThinkPHP, see ThinkPHP.
The naming range function of ThinkPHP3.1 provides a series of (consis
The naming range function of ThinkPHP3.1 provides a series of (consistent operations) encapsulation for model operations, allowing you to conveniently query and operate data. This article mainly introduces the use of the ThinkPHP3.1 naming range. you can refer to the ThinkPHP3.1 naming range function to provide a series of (consistent operation) encapsulation for
For the text search engine inverted index (data structure and algorithm), scoring system, word segmentation system are clearly mastered, I have a lot of value index and search has been a great interest, recently to Lucene on the numerical index and range search to do some learning, and the main content is organized as follows:1. Lucene does not directly support the value (and range) of the search, the value
PrincipleImage Pyramid is, we first the original image according to the needs of users, such as the number of users need to display the data under the scale, need to display the original image of which region of the data, the original image according to these requirements are divided and extracted.The lowest layer is the one that we extract and divide the smallest level of tiles, and the top is the largest scale tile. We look closely at a pattern that shows that the smaller the scale, the lower
In this essay, our main focus is on Key-range Lock. Key-range Lock has s-s, S-u, I-n, x-x several cases. One by one, we strive to understand. Unfortunately, this may be lengthy, so deadlock analysis has to be postponed in turn.Get rule for Range s-s lockMSDN has a partial description of the rules for range locks, but i
Original: Excel's Range object (C #)The Range object is the most frequently used object in an Excel application, and you need to represent it as a Range object before you manipulate any area within Excel, and then use the methods and properties of the Range object. A Range o
From the function signature we can know: in [7]: Random.randrange? Signature:random.randrange (Start, Stop=none, step=1, _int=
1. Recommended 10 articles for the PHP range () function
Description: From the function signature we can know:innbsp; [7]:nbsp;random.randrange? Signature:nbsp;random.randrange (Start,nbsp;stop=none,nbsp;step=1,nbsp;_int=
2. Tips for distinguishing between randrange () and uniform () in Python
Summary: This article shares a
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