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Download Mastering MySQL 4 by Ian Gilfillan PDF

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By Ian Gilfillan

MySQL is the top open-source database platform, and its acceptance has grown with the frequent adoption of personal home page for interactive internet purposes. With model four, MySQL has additional many new gains and proven itself to be prepared for common use.Ideal for either directors and builders and suited for SQL newbies and veterans alike, gaining knowledge of MySQL four provides a complete advisor to this new edition in addition to to database layout and normalization - capabilities frequently neglected in database improvement. you are going to how you can configure and optimize MySQL for high-volume utilization and get the main out of its transactional and nontransactional desk kinds. you will additionally become aware of easy methods to practice such usual database projects as backup, upkeep, and replication plus deal with safety matters and application with MySQL (references are integrated for many renowned programming languages, together with personal home page, Perl, Java, Python and C/C++).

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Forces MySQL to continue processing even if you get a SQL error. Useful in batch mode when processing from files. Disables named commands. Uses \* form only, or uses named commands only in the beginning of a line ending with a semicolon (;). 9, the client starts with this option enabled by default! With the -g option, however, long format commands will still work from the first line. Enables named commands. Long format commands are allowed as well as shortened \* commands. Connects to the specified host machine.

Tables are much smaller. • Because each record is separately compressed, there is little access overhead. • Each column could be compressed differently, using different compression algorithms. • Can compress fixed or dynamic table formats. 6 shows the options for compressed tables. OLD. Outputs debug log. The debug_options string often is d:t:o,filename. TMD. If the compression process dies for some reason, this file may not have beendeleted. This option forces MySQL to pack the table even if the temporary file exists, if the compression causes the table to become bigger, or if the table is too small to compress in the first place.

It could also be reasonably stored as a DECIMAL. • For high precision, use integer types rather than floating-point types (rounding errors afflict floating-point numbers). 1 often causes confusion. Setting M to a higher value than the type allows will not allow you to extend its limit. 00 sec) Even though the figure inserted was fewer than 10 digits, because it is a signed TINYINT, it is limited to a maximum positive value of 127. This optional width specification left-pads the display of values whose width is less than the width specified for the column, but, with the exception of DECIMAL fields, it does not constrain the range of values that can be stored in the column or the number of digits that will be displayed for values whose width exceeds that specified for the column.

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