Solution : https://service.sap.com/sap/support/notes/875257 (SAP Service marketplace login required)
Key words : 
field              data elementanalyze_ts         rstimestmpanalyze_sid        rssidanalyze_recs       num12only, sapbwnews bw support package 15 netweaver'04 stack 15, 10 content            import support package 23, 0b            import support package 29, 50            import support package 15, 1 content support package 23, 'initial values' flag, 0b support package 29, provide advance information, activate data
Related Notes : 
       
| 934242 | Consulting: Performance problems when analyzing statistics | 
| 893595 | Suppress Generation of DB Statistics during ODS Activation | 
| 868051 | P28: P5: ODS: Activating data: Analyze table on the A table | 
| 836440 | SAPBWNews BW Support Package 15 NW'04 Stack 15 RIN | 
| 783253 | SAPBWNews BW 3.1 Content Support Package 23 | 
| 783251 | SAPBWNews BW 3.0B Support Package 29 |