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Ayyan has Published 52 Articles
![Ayyan](https://www.tutorialspoint.com/assets/profiles/13521/profile/60_79767-1512650417.jpg)
Ayyan
209 Views
We can use keyword CHANGE to modify the column/s of an existing table. With CHANGE keyword we can change the name of the column and its definition both. Its syntax would be a bit different from the syntax of ALTER TABLE with MODIFY keyword.SyntaxAlter table table_name CHANGE old_columnname1 new_columnname1 datatype, ... Read More
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Ayyan
64 Views
The database is created only once but it is necessary to select it each time we begin a MySQLsession. It can be done with the help of USE db_name statement on MySQL command line tool.mysql> Use Query; Database changedIt shows that we are now using query database.We can also select ... Read More
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Ayyan
19K+ Views
To create a link to send email, use tag, with href attribute. The mail to link is added inside the tag. To add a subject, you need to add ? and then include the subject. All this comes inside the tag.Just keep in mind to add the ... Read More
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Ayyan
1K+ Views
Note that all SAP ERP all modules run on SAP ABAP stack. SAP NetWeaver Application Server (ABAP Stack) is part of the SAP NetWeaver portfolio and represents the ABAP-based technical basis for many SAP products. It delivers technical frameworks, tools, repositories, and much more.If you are planning to use SAP ... Read More
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Ayyan
1K+ Views
If you using Universe as the source, In UDT this can be defined at Universe level. You can limit the size of result set in Universe Parameters -> ControlsIn Query panel, you have an option to set the limit on rows retrieved for each individual query. This setting is called ... Read More
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Ayyan
2K+ Views
JVM has a method area common across all the threads. It contains per-class elements like constant pool, fields, method local data, method code, constructor codes etc. which are used in class and initialization of objects/interfaces.This method area gets created during JVM start-up. It is generally part of Heap area. It ... Read More
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Ayyan
340 Views
To find weather a string is rotation of another, concat the first string to itself twice and find weatherExample Live Demopublic class Sample { public static void main(String args[]){ String str1 = "gala"; String str2 = "alag"; String s3 = str1+str1; ... Read More
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Ayyan
215 Views
The intern() method of the String method returns a canonical representation for the string object. A pool of strings, initially empty, is maintained privately by the class String.For any two strings s and t, s.intern() == t.intern() is true if and only if s.equals(t) is true.All literal strings and string-valued constant expressions ... Read More
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Ayyan
474 Views
The unary operator works on a single operand. Following are the examples of unary operators supported in java. Assume A = 60 and B = 20.OperatorDescriptionExample~ (bitwise compliment)Binary One's Complement Operator is unary and has the effect of 'flipping' bits.(~A ) will give -61 which is 1100 0011 in 2's ... Read More