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CQL for Apache Cassandra™ 1.2
(Not supported)
About CQL for Cassandra 1.2
CQL data modeling
Introduction
Data modeling
Example of a music service
Compound keys and clustering
Collection columns
Adding a collection to a table
Updating a collection
Querying a collection
When to use a collection
Expiring columns
Counter columns
Using natural or surrogate primary keys
Indexing
When to use an index
About indexing
Using multiple indexes
Building and maintaining indexes
Working with pre-CQL 3 applications
Querying a legacy table
Using a CQL 3 query
Using CQL
Using CQL
Starting cqlsh
Starting cqlsh on Linux
Starting cqlsh on Windows
Starting cqlsh in CQL 2 mode
Using tab completion
Creating and updating a keyspace
Example of creating a keyspace
Updating the replication factor
Creating a table
Using a compound primary key
Inserting data into a table
Querying a system table
Keyspace, table, and column information
Cluster information
Retrieving and sorting results
Using the keyspace qualifier
Determining time-to-live for a column
Determining the date/time of a write
Adding columns to a table
Altering the data type of a column
Removing data
Expiring columns
Dropping a table or keyspace
Deleting columns and rows
Using collections
Using the set type
Using the list type
Using the map type
Indexing a column
Paging through unordered partitioner results
Using a counter
CQL reference
Introduction
CQL lexical structure
Uppercase and lowercase
Escaping characters
Valid literals
Exponential notation
CQL Keywords
Data types
Blob
Collection types
UUID and timeuuid
Timeuuid functions
Timestamp type
Counter type
Keyspace properties
Table properties
Subproperties of compaction
Subproperties of compression
cqlsh commands
cqlsh
ASSUME
CAPTURE
CONSISTENCY
COPY
DESCRIBE
EXIT
SHOW
SOURCE
TRACING
CQL commands
ALTER KEYSPACE
ALTER TABLE
ALTER USER
BATCH
CREATE INDEX
CREATE KEYSPACE
CREATE TABLE
CREATE USER
DELETE
DROP INDEX
DROP KEYSPACE
DROP TABLE
DROP USER
GRANT
INSERT
LIST PERMISSIONS
LIST USERS
REVOKE
SELECT
TRUNCATE
UPDATE
USE
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CQL data modeling
CQL data modeling
Data modeling topics.
Introduction
Cassandra's data model is a partitioned row store with tunable consistency. Rows are organized into tables; the first component of a table's primary key is the partition key; within a partition, rows are clustered by the remaining columns of the key. Other columns can be indexed separately from the primary key.
Data modeling
A brief description of data modeling in Cassandra.
Indexing
An index provides a means to access data in Cassandra using attributes other than the partition key for fast, efficient lookup of data matching a given condition.
Working with pre-CQL 3 applications
Internally, CQL does not change the row and column mapping from the Thrift API mapping. CQL and Thrift use the same storage engine.
CQL data modeling
Introduction
Data modeling
Indexing
Working with pre-CQL 3 applications
