The getMaxColumnsInIndex() method of the DatabaseMetaData interface is used to find out the maximum number of columns that the underlying database allows in an index. This method returns an integer value, representing the maximum number of columns allowed in an index. If this value is 0 it indicates that there is no limit or, limit is unknown. To get the DatabaseMetaData object − Make.....

The getMaxCatalogNameLength() method of the DatabaseMetaData interface is used to find out the maximum number of characters that the underlying database allows in the name of a catalog. This method returns an integer value, representing the maximum number of characters allowed in a catalog name. If this value is 0 it indicates that there is no limit or, limit is unknown. To get the Database.....

The getMaxStatements() method of the DatabaseMetaData interface is used to find out the maximum number of open statements (objects) that the underlying database allows at one time. This method returns an integer value, representing the maximum number of statements that are allowed to be open at a time. If this value is 0 it indicates that there is no limit or, limit is unknown. To get the D.....

The getMaxColumnsInTable() method of the DatabaseMetaData interface is used to find out the maximum number of columns that the underlying database allows in a table. This method returns an integer value, representing the maximum number of columns allowed in a table. If this value is 0 it indicates that there is no limit or, limit is unknown. To get the DatabaseMetaData object − Make s.....

The getMaxColumnsInGroupBy() method of the DatabaseMetaData interface is used to find out the maximum number of columns that the underlying database allows in a GROUP BY clause. This method returns an integer value, representing the maximum number of columns allowed in a GROUP BY clause. If this value is 0 it indicates that there is no limit or, limit is unknown. To get the DatabaseMetaData.....

The getMaxTableNameLength() method of the DatabaseMetaData interface is used to find out the maximum number of characters that the underlying database allows in the name of a table This method returns an integer value, representing the maximum number of characters allowed in a table name. If this value is 0 it indicates that there is no limit or, limit is unknown. To get the DatabaseMetaDat.....

The getMaxBinaryLiteralLength() method of the DatabaseMetaData interface is used to find out the maximum number of characters (hex) that the underlying database allows for a binary literal. This method returns an integer value, representing the maximum length of a binary literal. If this value is 0 it indicates that there is no limit or, limit is unknown. To get the DatabaseMetaData object .....

Sometime you may require to ping an external website and check whether it’s up and running before you do any processing or fire request on the same. Here we will be seeing how to check whether the external website is up and running. Let’s being by Creating new project Step 1 − Open Xcode → New Project → Single View Application → Let’s name it “Pi.....

Cookies are small files which are stored on a user's device while browsing internet. When we talk about cookies in iPhone we usually talk about application using the Web Views or the browser applications. A normal iOS application does not contains cookies. An app will have cookies only if the application has one or more web views. To check where are the app cookies stored on iPhone, On.....

In C++, the friendship is not inherited. It means that, if one parent class has some friend functions, then the child class will not get them as friend. In this example it will generate an error because the display() function is friend of MyBaseClass but not the friend of MyDerivedClass. The display() can access the private member of MyBaseClass. , ,