JDBC: Working with ResultSets & Query Batches

Java    |    Beginner
  • 15 videos | 1h 45m 27s
  • Includes Assessment
  • Earns a Badge
Rating 5.0 of 3 users Rating 5.0 of 3 users (3)
ResultSets allow SELECT query results to be processed systematically in a Java app while executing INSERT and UPDATE queries can be handled efficiently with query batches. This is very much a hands-on course and gets into the nitty-gritty of processing large volumes of data using JDBC. You will cover a lot of features of the ResultSet object - from its navigability to its ability to update data. You will also optimize updates by running them in a batch, and cover the implementations of atomic transactions when using JDBC.

WHAT YOU WILL LEARN

  • Discover the key concepts covered in this course
    Identify the types of resultsets available in jdbc
    Scroll through a resultset to access data in various locations
    Recognize the limitations of a type_forward_only resultset
    Refresh the contents of a resultset while iterating over its contents
    Recognize the types of modifications that a resultset may not pick up
    Modify the contents of a sql table by updating a resultset
    Remove data from a sql table by performing deletes from a resultset
  • Identify potential issues when trying to modify a read-only resultset
    Group similar insert queries together into a bath to optimize their executions
    Combine the optimizations of batch executions and batch updates
    Describe how the auto-commit feature may prevent queries from running as a transaction
    Use the rollback feature of jdbc to undo modifications after an exception is thrown
    Perform a partial rollback by implementing savepoints in a java app
    Summarize the key concepts covered in this course

IN THIS COURSE

  • 2m 46s
  • 7m 55s
    In this video, find out how to identify the types of ResultSets available in JDBC. FREE ACCESS
  • Locked
    3.  Navigating over a ResultSet
    9m 1s
    In this video, learn how to scroll through a ResultSet to access data in various locations. FREE ACCESS
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    4.  The TYPE_FORWARD_ONLY ResultSet
    6m 21s
    Upon completion of this video, you will be able to recognize the limitations of a ResultSet that is TYPE_FORWARD_ONLY. FREE ACCESS
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    5.  Updating Data while Navigating a ResultSet
    8m 17s
    In this video, find out how to refresh the contents of a ResultSet while iterating over its contents. FREE ACCESS
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    6.  Adding Rows while Navigating a ResultSet
    7m 24s
    Upon completion of this video, you will be able to recognize the types of modifications that a ResultSet may not detect. FREE ACCESS
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    7.  Updating a ResultSet
    8m 56s
    In this video, find out how to modify the contents of a SQL table by updating a ResultSet. FREE ACCESS
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    8.  Deleting from a ResultSet
    9m 9s
    In this video, find out how to remove data from a SQL table by performing deletes from a ResultSet. FREE ACCESS
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    9.  Modifying a Read-only ResultSet
    3m 39s
    In this video, learn how to identify potential issues when trying to modify a ResultSet that is set to read-only. FREE ACCESS
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    10.  An Introduction to Batch Operations
    8m 17s
    Find out how to group similar INSERT queries together into a batch to optimize their executions. FREE ACCESS
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    11.  Prepared Statements and Batch Operations
    8m 6s
    During this video, you will learn how to combine the optimizations of batch executions and batch updates. FREE ACCESS
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    12.  Partially Executed Operations
    7m 14s
    Upon completion of this video, you will be able to describe how the auto-commit feature may prevent queries from running as a transaction. FREE ACCESS
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    13.  Transactions Using JDBC
    9m 26s
    Find out how to use the rollback feature of JDBC to undo modifications after an exception is thrown. FREE ACCESS
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    14.  Savepoints in Java
    7m 12s
    Learn how to perform a partial rollback by implementing savepoints in a Java app. FREE ACCESS
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    15.  Course Summary
    1m 46s

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