sql regex

Regex usage in MongoDB Background Part1: Preface Anyone who uses MySQL or other relational databases knows that fuzzy queries are used in similar ways:SELECT * FROM products WHERE sku like "% 789 "; The regex in MongoDB described in this article

These two days in the demo. The function is implemented in a template (string Type, which is actually an SQL select query statement), and a regular expression is used to query fields that meet the conditions, then, replace other values with the

These days of contact with MongoDB and Springdata, their own English compared to stamp, so finishing these methods spend a little more time, but also my first time in the foreign site finishing technologyNot much to say, directly on the code, here

First, let's look at the sample SQL statement to be parsed: Copy codeThe Code is as follows: select * from dual SELECT * frOm dual Select C1, c2 From tb Select c1, c2 from tb Select count (*) from t1 Select c1, c2, c3 from t1 where condi1 = 1 Select

First look at the sample SQL statement to parse: Copy Code code as follows: SELECT * FROM dual SELECT * from dual Select C1,C2 from TB Select C1,C2 from TB Select COUNT (*) from T1 Select c1,c2,c3 from t1 where condi1=1

The main manifestation of MSSQL website project injection is that scriptsrcaaa. bbb. cccjs. jsscript is added to the database field to a code similar to this. Typical JS injection for databases. The main cause is: 31. The attacker obtained the read

What is a regular expression?Regular expressions, also known as formal representations, general representations (English: Regular Expression, often abbreviated as regex, RegExp, or re) in code, are a concept of computer science. A regular expression

Server security is the first consideration of a website. As a server, it may have been able to defend against some security problems before the website is released, so as to defend against external and internal attacks. But some injection attacks

If this method of SQL injection occurs, it must be the SQL concatenation used in the program, and the user's input form parameters are not filtered or url parameters are not filtered.There are basically two ways to splice SQL statements:1, such as

// /// Filter tags/// /// source code that includes HTML, script, database keyword, and special characters /// the marked text has been removed Public static string nohtml (string htmlstring){If (htmlstring = NULL){Return "";}Else{// Delete the