By Joe Celko
Whole evaluate of non-relational applied sciences for you to turn into extra nimble to fulfill the wishes of your company. As information keeps to blow up and develop extra complicated, SQL is turning into much less invaluable for querying info and extracting which means. during this new global of larger and quicker facts, it is very important leverage non-relational applied sciences to get the main out of the knowledge you may have. examine the place, while, and why some great benefits of NoSQL outweigh these of SQL with Joe Celko's whole consultant to NoSQL.
This e-book covers 3 parts that make today's new facts assorted from the information of the prior: speed, quantity and diversity. whilst info is altering swifter than you could gather and question it, it easily can't be handled kind of like static information. Celko may also help pace, to equip you with the instruments to drink from a fireplace hose. outdated garage and entry types don't paintings for giant information. Celko may help you already know quantity, in addition to other ways to shop and entry information akin to petabytes and exabytes. now not all info can healthy right into a relational version, together with genetic facts, semantic info, and knowledge generated by means of social networks. Celko can help sort, in addition to the choice garage, question, and administration frameworks wanted through definite varieties of data.
achieve an entire figuring out of the events within which SQL has extra drawbacks than advantages that you can larger ensure while to make use of NoSQL applied sciences for optimum benefit
realize the professionals and cons of columnar, streaming, and graph databases
Make the transition to NoSQL with the specialist counsel of best-selling SQL specialist Joe Celko
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Extra info for Joe Celko's Complete Guide to NoSQL: What Every SQL Professional Needs to Know About Nonrelational Databases
See the section "Status Parameters" on page 2-17 for more information. Structure of a Module This section is an informal guide to Module Language syntax, including Oracle’s extensions to the language. See Appendix B to this Guide for a formal description of Module Language syntax. Module Language 2-7 Structure of a Module A module is contained in a single file and consists of ■ a preamble ■ zero or more cursor declarations ■ one or more procedure definitions Preamble The preamble is a set of clauses at the beginning of a module file that describes the module.
You can use the parameter access conventions appropriate for the Ada language when calling the output procedure from the application. Thus Ada programmers can use named parameter association in place of, or in addition to, positional parameter association. For more information about arrays, see "Arrays as Procedure Arguments" on page 4-9. 2-12 SQL*Module for Ada Programmer’s Guide SQL Datatypes Table 2–1 Datatypes SQL Datatype Meaning CHARACTER single character CHARACTER(L) character string of length L bytes DOUBLE PRECISION approximate numeric INTEGER exact numeric, no fractional part REAL approximate numeric SMALLINT exact numeric, no fractional part, equal to or smaller in range than INTEGER Oracle Datatype VARCHAR2(L) variable-length character string of length L bytes SQL*Module Datatypes: SQL_CURSOR cursor variable type SQL_CONTEXT task context ARRAY(N) OF SQL_CURSOR Arrays of SQL Datatypes shown above.
DBMS_SQL has functions such as OPEN_CURSOR, PARSE, DEFINE_COLUMN, EXECUTE, FETCH_ROWS, COLUMN_VALUE, etc. Use these functions in your program to open a cursor, parse the statement, and so on. mad for Solaris platforms) is in the demo directory. For more details on this package, see Oracle8 Application Developer’s Guide. 3-12 SQL*Module for Ada Programmer’s Guide The WITH INTERFACE Clause The WITH INTERFACE Clause The stored procedure format in the previous section can be used for stored procedures that are to be called from applications written using Oracle tools.
Joe Celko's Complete Guide to NoSQL: What Every SQL Professional Needs to Know About Nonrelational Databases by Joe Celko