In this article, we will learn about the DatabaseMetaData getURL() method in Java. The DatabaseMetaData interface provides useful methods to obtain details about the database and the JDBC driver. One such method is getURL(), which returns the URL of the JDBC driver being used. What is the getURL() Method? The getURL() method in Java's DatabaseMetaData interface is used to retrieve the URL of the database to which the current connection is established. Syntax String dbUrl = metaData.getURL(); This method retrieves the URL of the underlying Database Management System and returns it in the form of a String variable. ... Read More

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 ... Read More

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 More

In this article, we will learn how to retrieve the maximum number of open statements allowed by a database using the DatabaseMetaData interface in Java. 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, the limit is unknown. Problem StatementGiven a connection to a database, write a ... Read More

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 More

In this article, we will learn about the DatabaseMetaData getIndexInfo() method with an example in Java. This is useful when you need to understand the display information of a table in a result set using the indexes. DatabaseMetaData getIndexInfo() method The getIndexInfo() method in Java’s DatabaseMetaData interface retrieves information about indexes for a specified table in a database. This method is useful for understanding the structure and performance of a database table, particularly for optimization and query tuning. Syntax ResultSet rs = metaData.getIndexInfo("example_database", null, "sample_table", false, false); This method retrieves the description of the indices of a table. It accepts ... Read More

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 More

In this article, we will learn the DatabaseMetaData getProcedureColumns() method in Java. In Java getProcedureColumns(), allows us to retrieve information about the input and output parameters of stored procedures in a database. What is getProcedureColumns()? The getProcedureColumns() method of DatabaseMetaData retrieves a ResultSet containing details about the parameters (input, output, and return values) of a stored procedure. Syntax ResultSet rs = metaData.getProcedureColumns(null, null, "myprocedure", null); This method retrieves the description of the procedure parameter and results in columns of a database/catalog. It accepts 4 parameters − catalog: The catalog name; pass null to get all ... Read More

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 More

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 More