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Programming Articles
Page 2492 of 2547
Java DatabaseMetaData getMaxColumnsInSelect() method with example.
The getMaxColumnsInSelect() method of the DatabaseMetaData interface is used to find out the maximum number of columns that the underlying database allows in a SELECT list.This method returns an integer value, representing the maximum number of columns allowed in a SELECT list. If this value is 0 it indicates that there is no limit or, limit is unknown.To get the DatabaseMetaData object −Make sure your database is up and running.Register the driver using the registerDriver() method of the DriverManager class. Pass an object of the driver class corresponding to the underlying database.Get the connection object using the getConnection() method of ...
Read MoreHow to add JTable to Panel in Java Swing?
To add JTabel to Panel, let us first crerate a panel −JPanel panel = new JPanel();Now, create JTable and add rows and columns with the records −String[][] rec = { { "1", "Steve", "AUS" }, { "2", "Virat", "IND" }, { "3", "Kane", "NZ" }, { "4", "David", "AUS" }, { "5", "Ben", "ENG" }, { "6", "Eion", "ENG" }, }; String[] header = { "Rank", "Player", "Country" }; JTable table = new JTable(rec, header);Add the above created table to panel −panel.add(new JScrollPane(table));The following is an example to add JTabel to Panel in Java ...
Read MoreJava DatabaseMetaData getMaxColumnsInTable() method with example.
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 sure your database is up and running.Register the driver using the registerDriver() method of the DriverManager class. Pass an object of the driver class corresponding to the underlying database.Get the connection object using the getConnection() method of the DriverManager ...
Read MoreJava Program to select all cells in a table
To select all cells in a table in Java Swing, you need to use the selectAll() method. Let’s say the following are our table rows and columns −String[][] rec = { { "001", "Shirts", "40" }, { "002", "Trousers", "250" }, { "003", "Jeans", "25" }, { "004", "Applicances", "90" }, { "005", "Mobile Phones", "200" }, { "006", "Hard Disk", "150" }, }; String[] header = { "ID", "Product", "Quantity" };Set it for a table −JTable table = new JTable(rec, header);Now select all the rows and columns −table.selectAll();The following is an example to ...
Read MoreJava DatabaseMetaData getMaxConnections() method with example.
The getMaxConnections() method of the DatabaseMetaData interface is used to find out the maximum number of connections that the underlying database allows at a time.This method returns an integer value, representing the maximum number of connections allowed at a time. If this value is 0 it indicates that there is no limit or, limit is unknown.To get the DatabaseMetaData object −Make sure your database is up and running.Register the driver using the registerDriver() method of the DriverManager class. Pass an object of the driver class corresponding to the underlying database.Get the connection object using the getConnection() method of the DriverManager class. ...
Read MoreHow to create JTable from two dimensional array in Java?
With two dimensional array, set the columns of a table. Additionally, we have set the rows using a one-dimensional array as shown below −DefaultTableModel tableModel = new DefaultTableModel(new Object[][] { { "Mobile Phones", "100" }, { "RAM", "200" }, { "Caps", "50" }, { "Tablet", "80" }, { "LED", "400" }, { "Trousers", "350" }, { "T-Shirt", "500" }, { "Hoodie", "650" }, { "Jeans", "900" } }, new Object[] { "Items", "Quantity" } );Now set the table model to the table −JTable table = new JTable(tableModel);The following is an example to create a table from ...
Read MoreJava DatabaseMetaData getMaxRowSize() method with example.
The getMaxRowSize() method of the DatabaseMetaData interface is used to find out the maximum number of bytes that the underlying database allows in a row.This method returns an integer value, representing the maximum row size. If this value is 0 it indicates that there is no limit or, limit is unknown.To get the DatabaseMetaData object −Make sure your database is up and running.Register the driver using the registerDriver() method of the DriverManager class. Pass an object of the driver class corresponding to the underlying database.Get the connection object using the getConnection() method of the DriverManager class. Pass the URL the ...
Read MoreDisable auto resizing to make the JTable horizontal scrollable in Java
To disable auto resizing, you need to use the setAutoResizeMode() method. After that, set the table to AUTO_RESIZE_OFF.Let’s say the following is our table −String[][] rec = { { "1", "Virat", "840" }, { "2", "David", "835" }, { "3", "Shikhar", "656" }, { "4", "Steve", "530" }, { "5", "Kane", "515" }, { "6", "Eion", "509" }, { "7", "AB de Villiers", "498" }, { "8", "Quinton", "470" }, { "9", "Glenn", "410" }, { "10", "Tom", "360" }, { "11", "Johnny", "320" }, { "12", "Shreyas", ...
Read MoreJava DatabaseMetaData getTables() method with example
This method retrieves the description of the tables available in the specified database/catalog. It accepts 4 parameters −catalog − A string parameter representing the name (or, name pattern) of the catalog (database in general) in which the table (that contains the columns of which you need to retrieve the description about) exists. pass "" to get the description of the columns in tables with no catalog and, pass null if you don't want to use catalog and thus narrow the search.schemaPattern − A String parameter representing the name (or, name pattern) of the schema of the table, pass "" ...
Read MoreJava DatabaseMetaData getMaxStatementLength() method with example.
The getMaxStatementLength() method of the DatabaseMetaData interface is used to find out the maximum number of characters that the underlying database allows in a single SQL statement.This method returns an integer value, representing the maximum number of characters allowed in an SQL statement. If this value is 0 it indicates that there is no limit or, limit is unknown.To get the DatabaseMetaData object −Make sure your database is up and running.Register the driver using the registerDriver() method of the DriverManager class. Pass an object of the driver class corresponding to the underlying database.Get the connection object using the getConnection() method ...
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