[FLLINK-36862][table] Polish Documentation and Error Messages #12

Job	Run time
Pre-compile Checks / Basic QA	9m 59s
Default (Java 11) / Compile	8m 52s
Default (Java 11) / Test packaging/licensing	37m 50s
Default (Java 11) / E2E (group 1)	1h 26m 9s
Default (Java 11) / Test (module: core)	29m 58s
Default (Java 11) / E2E (group 2)	1h 52m 4s
Default (Java 11) / Test (module: python)	29m 4s
Default (Java 11) / Test (module: table)	36m 20s
Default (Java 11) / Test (module: connect)	21m 10s
Default (Java 11) / Test (module: tests)	36m 56s
Default (Java 11) / Test (module: misc)	27m 13s
	7h 15m 35s

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