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java - How to get the number of columns from a JDBC ResultSet?

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2010/4/10 -I don't know how many columns the csv-file contains. How can I get the number of columns? Is there any JDBC-function for this? I can not find ...


How to get column count in a ResultSet in JDBC? - TutorialsPoint

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2019/7/30 -You can get the column count in a table using the getColumnCount() method of the ResultSetMetaData interface. On invoking, this method ...


getColumnCount Method (SQLServerResultSetMetaData)

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2026/8/24 -Returns the number of columns in the result set. ... This getColumnCount method is specified by the getColumnCount method in the java.

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ResultSetMetaData (Java Platform SE 8 ) - Oracle Help Center

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getObject is called to retrieve a value from the column. int, getColumnCount(). Returns the number of columns in this ResultSet object.


JDBC – How to get Row and Column Count From ResultSet in Java ...

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2025/7/30 -The only way to find the total number of records is to keep the count while you are iterating over ResultSet while fetching the result. This way ...


JDBC ResultSetMetaData for ResultSet Column Examination

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2026/4/6 -2. getColumnCount() ... This method, returns an integer value of total column count in the ResultSet. Java.


Getting meta-data (column names and attributes) in JDBC

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The ResultSetMetaData object contains methods to retrieve the meta data · Sample methods: int getColumnCount(). returns the number of columns (= attributes) in ...


how to get num of rows in ResultSet - Databases - CodeRanch

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2006/3/20 -SELECT COUNT(*) FROM <table_name>;. and returns the result as a java long in java that way you can get counts for any table they will run in ...


Retrieve column names from java.sql.ResultSet - Codemia

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getColumnCount() : This method retrieves the number of columns in the ResultSet . getColumnName(int column) : Returns the name of the specified column. Practise ...


How to get the number of columns in a ResultSet in Java

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2007/12/12 -In Java it is possible to retrieve the number of columns of a ResultSet dinamically, thanks to the ResultSetMetaData class. Here's an example:.