Querying for Data
.MP4, AVC, 600 kbps, 1920x1080 | English, AAC, 235 kbps, 2 Ch | 53 mins | 316 MB
Instructor: Eric Greene
In SQL, queries are the means for extracting information from data. Learn how to query a data source, filter and sort the results, optimize performance with indexes, employ inner and outer joins, and more in this demo-laden session from SQL guru Eric Greene.
发布日期: 2018-01-31