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Displaying posts with tag: modelling (reset)

MySQL Workbench 6.0: Model Synchronization Improvements
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In MySQL Workbench 6.0, three longstanding issues related to model synchronization were addressed. In this post, we’ll cover how these issues can happen, the underlying cause and how to resolve them.

Model Synchronization

When you synchronize a model to a database, Workbench performs the following steps:

  • Retrieve and reverse engineer the target schema from the database, to an internal representation that can be worked on by Workbench
  • Compare the schema from the model with the corresponding schema from the database, object by object
  • For each difference found, perform the corresponding action needed to change either the source or the target object, so they’re both looking the same. This may mean creating, altering or dropping objects in the database or updating the model to match the database. Because some of
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    MySQL Workbench 6.0: What’s New
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    With the first beta of MySQL Workbench 6.0 just released, we’ll go through the list of improvements we’ve made since 5.2.47

    New Home Screen

    The Home screen went through a renovation and now has a modernized look. As part of the SQL Editor and Administration GUI unification, there’s now a single list for MySQL connections. Recently opened model files and other major features are also accessible from it.

    You can organize different connections into “folders” by right clicking on a connection and selecting “Move to Group…” in the context menu.

    New server connections can be added by clicking the + button next to the MySQL Connections heading. By clicking the Configure Remote Management… button in the

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    Know your data – and your numeric types.
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    Numeric types in MySQL have two varieties: - “precise” types such as INTEGER and DECIMAL; - the IEEE-standard floating point types FLOAT and DOUBLE. As a rule of thumb, the first group are for exact, “counted” quantities. The INTEGER types represent whole numbers, and DECIMAL represents “fixed point” decimal, with a preset number of places after the decimal point. Various widths of INTEGER are available in MySQL, from 8-bit TINYINT to 64-bit BIGINT. Calculations with integer types are fast, as they usually correspond to hardware register sizes. DECIMAL is commonly used for quantities like decimal currency where the number of digits of precision is known and fixed. For example, exactly counting pennies in two decimal digits. Computation with DECIMAL is slower than other types, but this is unlikely to impact most applications. In the other category are FLOAT and DOUBLE,  [Read more...]
    Showing entries 1 to 3

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