Access Data through the Java Client API
Apache HBase 1.1.1
| Intermediate
- 19 videos | 1h 20m 26s
- Earns a Badge
Apache HBase is written in Java and therefore there are multiple ways to access HBase using various clients. Explore various tasks using the shell and Java client API, including reading and writing data and updating and deleting.
WHAT YOU WILL LEARN
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Establish a connection to hbase using a java api with the hconnection, htable, and htablepoolCreate tables using the client java apiCreate a put class instance with a rowkey to store data in an hbase tableAdd data to an hbase table using the add() method in the put instanceSpecify a timestamp within a put constructor to specify different versionsUse the get() and has() method to check the existence of a column in an hbase tableUse the get class to read data from an hbase tableUse the addfamily() and addcolumn () methods of the get classUse the settimerange(), settimestamp(), and setmaxversions() methods of the get class to retrieve versions of columnsUse the getvalue() and getcolumnlast() to retrieve specific values from a cell in an hbase table
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Use list with the get class to return a list of values in a batchUse scan() to read an entire hbase tableUse scan() to read a table starting at a specific row or scan a range of rows from an hbase tableUse different methods to further narrow search results from a scan constructorUse the getscanner() methods to get the instance of a scan and browse the resultsUse the resultscanner class to retrieve the rows from the scannerUpdate data in an hbase table using the put instanceDelete data from an hbase tableCreate an hbase table and insert, update, delete, and retrieve data using the java client api
IN THIS COURSE
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2m 16s
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1m 59s
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2m 43s
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3m 49s
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3m 32s
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2m 21s
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2m 39s
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3m 33s
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6m 4s
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3m 8s
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6m 3s
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3m 59s
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3m 7s
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8m 44s
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2m 48s
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4m 4s
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5m 26s
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9m 4s
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5m 8s
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Channel
Apache Hadoop