U

understanding package configurations, 201–202

understanding XML configuration file, 202

update frequency and persistence, 350–352

historical data, 351–352

using containers, 119–125

adding sequence containers, 121

assigning a value to variables, 122–123

For Loop container, 119

Foreach Loop container, 119

Sequence container, 120

Task Host container, 120

testing whether output file is found, 122

using explicit transactions, 321

using multiple configurations, 210

using sample files, 3–4

using variables, 156–159

utility windows, 16–17