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Updating child tables hibernate

updating child tables hibernate-53

Creating queries like this dynamically is very prone to SQL injection. Best idea would be to execute batch itself in batch. String sql = "insert into employee (name, city, phone) values (? String sql = "insert into employee (name, city, phone) values (? Server Prepared Batch(Server Prepared Statement.java:330) org.apache. Delegating Prepared Batch(Delegating Prepared Statement.java:171) This is because you are trying to add everything in one batch and inserting once. Consider a batch size like 1000 and insert queries in the batches of 1000 queries at a time.

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The "log_buf_len" parameter may be useful if you need to capture more output.DATASTAGE Frequently asked Questions and Tutorials: 1. Answer: In a Hashed File, the size of the file keeps changing randomly. The often Parameterized variables in a job are: DB DSN name, username, password, dates W. X, if so tell us some the steps you have taken in doing so? The following are some of the steps: Definitely take a back up of the whole project(s) by exporting the project as a file See that you are using the same parent folder for the new version also for your old jobs using the hard-coded file path to work. Question: How to handle Date convertions in Datastage? Answer: We use a) "Iconv" function - Internal Convertion. Function to convert mm/dd/yyyy format to yyyy-dd-mm is Oconv(Iconv(Filedname,"D/MDY[2,2,4]"),"D-MDY[2,2,4]") Question: Types of Parallel Processing? Question: What does a Config File in parallel extender consist of? Link Collector: It collects the data coming from partitions, merges it into a single data flow and loads to target. Answer: ODBC PLUG-IN Poor Performance Good Performance Can be used for Variety of Databases Database Specific (only one database) Can handle Stored Procedures Cannot handle Stored Procedures Question: How do you execute datastage job from command line prompt? dsjob -run -jobstatus projectname jobname Question: What are the command line functions that import and export the DS jobs? Answer: IConv() - Converts a string to an internal storage format OConv() - Converts an expression to an output format. Answer: Link Partitioner: It actually splits data into various partitions or data flows using various Partition methods. Answer: As the names itself suggest what they mean. The Data file has a default size of 2GB and the overflow file is used if the data exceeds the 2GB size. Question: Compare and Contrast ODBC and Plug-In stages? Question: What are OConv () and Iconv () functions and where are they used? Question: Functionality of Link Partitioner and Link Collector? This option is useful for developers to identify the root cause of an AML interpreter issue when the issue has something to do with the repair mechanism.

acpi.debug_layer= [HW, ACPI, ACPI_DEBUG] acpi.debug_level= [HW, ACPI, ACPI_DEBUG] Format: PCI_COMPONENT Bits in debug_level correspond to a level in ACPI_DEBUG_PRINT statements, e.g., ACPI_DEBUG_PRINT((ACPI_DB_INFO, ... See Documentation/acpi/for more information about debug layers and levels.

The core features of the Spring Framework can be used in developing any Java application, but there are extensions for building web applications on top of the Java EE platform.

Spring framework targets to make J2EE development easier to use and promotes good programming practices by enabling a POJO-based programming model.

Let’s see how we can perform batch insert in Java using JDBC APIs. Instead of hitting database once for each insert statement, we will using JDBC batch operation and optimize the performance.

Although you might already knew this, I will try to explain the basic to a bit complex scenarios.

Dependency Injection is merely one concrete example of Inversion of Control. All this means is, class B will get injected into class A by the Io C.