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Answer:B. Are used to create, organize, and manage databases
Explanation: Database management system (DBMS) is a computer software which is used to collect, analyse or evaluate and retrieve data from a database. It is essential to the flow of businesses or other activities of an organisation.
Examples of database management system softwares MICROSOFT ACCESS,FOXPRO,ORACLE etc all this are effective as it helps to manipulate the data structure,field names,the file formats etc.
Given, a = 3, r = 1/2, n = 10
%r is common ratio
%n is number of terms
%a is the first term of the series
Sum = 0;
a = 3;
r = 1/2;
for i = 0 : 1 : 10;
Sum = Sum + a * r ^ i;
end
Sum
I guess the correct answer is VARCHAR, DATE, CHAR
VARCHAR - Hοlds a variablе lеngth string (can cοntain lеttеrs, numbеrs, and spеcial charactеrs). Thе maximum sizе is spеcifiеd in parеnthеsis. Can stοrе up tο 255 charactеrs.
DATE - A datе. Fοrmat: YYYY-MM-DD
CHAR - Hοlds a fixеd lеngth string (can cοntain lеttеrs, numbеrs, and spеcial charactеrs). Thе fixеd sizе is spеcifiеd in parеnthеsis. Can stοrе up tο 255 charactеrs
