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Answer Posted / anand
Meta data nothing but data about date.
For example,
22 - marks
Raju - name
96 - age
Hyd - address
In the above example we can say that marks,name,age and address called Meta data, because that data gives detail information about actual data.
<marks>22</marks>
<name>Raju</name>
<age>96</age>
<address>Hyd</address>
Tn the above one we can say that the tags like <marks>,<name>,<age>,<address> are called meta tags, because that tags gives details information about actual data.
In java we have two types of metadata.
i) ResultSetMetaData
ii) DatabaseMetaData
ResultSetMetaData is used to know the details of ResultSet object like no.of columns,names of the columns and datatypes of the column etc.
DatabaseMetaData is used to know the information about database server like version of the database server,name of the database server etc.
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