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First, some statistics will be different because the two mechanisms just do things differently, so some execution paths are likely to change A lightweight example is that analyze does not include the length byte in the value for avg_col_length, which is used to calculate the cost of sorts and hash joins A heavy-weight example is that the analyze command does a poor job of collecting statistics on partitioned tables, particularly the values for num_distinct, and the dbms_stats package will produce some dramatically different figures Second, you need to ensure that you are collecting the same statistics with dbms_stats as you are with analyze for example, analyze table and gather_table_stats have different default behavior; the analyze command will collect index statistics, the gather_table_stats procedure will not Finally, dependent on version, the dbms_stats package uses normal SQL to collect a lot of the statistics, rather than custom low-level code.

String^ Genus; String^ Species; String^ Cultivar; String^ CommonName; SunEnum Sun; WaterEnum Water; int Zone;

You may have come to rely on your BlackBerry more and more as you get comfortable using it. Think about how much information you have stored in your BlackBerry.

This allows parallelism to be invoked automatically, but means that some stats collections may take longer to run than the equivalent analyze commands Even if you are already running dbms_stats, you aren t safe from change As you upgrade from version to version of Oracle, the default behavior of the procedures in the dbms_stats package changes For example, the default method_opt for tables in 10g is for all columns size auto, so you ll be getting histograms you weren t expecting if you let 10g do its own thing, because 10g will decide which columns need histograms, and how many buckets to use for those histograms Moreover, in 10g you will find that a job is automatically created that runs every 24 hours to execute a statistics collection against all tables that are missing statistics, or have stale statistics.

TIP: If you use Google for your Contacts, you may already have set up synchronization when you set up your Gmail account (see the Sync Google Contacts section of 1: E-mail Set Up on page 47). At this point, you may want to ask yourself a couple questions: Is all my information safely stored in my computer and Is all my BlackBerry information synchronized or shared with the information in my computer software Synchronizing your BlackBerry with Desktop Manager is very important. Your data will be safe and backed up or shared with the correct program on your computer making things like your calendar, address book, tasks, and more useful.

This could be a lot of redundant work, and the amount could vary randomly and dramatically from day to day There are a number of design decisions built into the dbms_stats that can cause extreme variations in the statistics produced or the time taken to produce them The most significant of these probably appears when collecting statistics for indexes according to one MetaLink note, the code wants to use a sample of at least 919 leaf blocks to generate statistics for an index This can make it impossible to use a small sample size, and the problem can be extreme for bitmap indexes Bear in mind that most objects don t need extremely accurate statistics; and a detailed, minimalist approach to collecting statistics is a good thing if you can find time to set it up and if you can work around the bugs..

Plant() {} Plant(String^ genus, String^ species, String^ commonName, String^ cultivar, SunEnum sun, WaterEnum water, int zone) { Genus = genus; Species = species; Cultivar = cultivar; Sun = sun; Water = water; Zone = zone; InstanceID = counter++; } static Plant() { counter = 0; } }; void CreateAndSerialize(String^ genus, String^ species, String^ commonName, String^ cultivar, SunEnum sun, WaterEnum water, int zone) { Plant^ p = gcnew Plant(genus, species, commonName, cultivar, sun, water, zone);

Open your Desktop Manager Software as you usually do by clicking the Desktop Manager icon on your Home screen: 1. Connect your BlackBerry to your computer using the USB cable and make sure you see your BlackBerry PIN number in the lower left corner instead of the word None. Click the Synchronize icon.