


How Can I Use a Dynamic Table Name with Java PreparedStatements for Batch Inserts?
Dynamic Table Names in Java PreparedStatement Batch Inserts
Using Java's PreparedStatement
for batch INSERT
operations often requires dynamically specifying the target table name. However, PreparedStatement
s are designed to parameterize column values, not table names.
The Solution: Dynamic SQL Construction
The key is to build the SQL query dynamically, rather than trying to parameterize the table name itself. Concatenate the table name (stored, for example, in tableNameVar
) into the SQL string, leaving placeholders for the column values.
// tableNameVar holds the dynamic table name String sql = String.format("INSERT INTO %s (col1, col2, col3, col4, col5) VALUES (?,?,?,?,?);", tableNameVar);
After constructing the SQL query with the dynamic table name, use PreparedStatement
's setString()
(or other appropriate setXXX()
methods) to populate the column value placeholders:
preparedStatement.setString(1, "col1Value"); preparedStatement.setString(2, "col2Value"); // ... set remaining column values
This method combines the flexibility of dynamic table names with the performance and security benefits of PreparedStatement
. Ensure the order of placeholders in your SQL string precisely matches the order of your setXXX()
calls.
The above is the detailed content of How Can I Use a Dynamic Table Name with Java PreparedStatements for Batch Inserts?. For more information, please follow other related articles on the PHP Chinese website!

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