An initialized select descriptor is described below
| SQLDNUM | Empty column to seperate Data Buffers | Data Buffers | |
| SQLDFND | |||
| S1.SQLDV | ,,,,,,,,,, | ||
| S2.SQLDV | ,,,,,,,,,, | ||
| S3.SQLDV | ,,,,,,,,,, | ||
| 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 | |||
| S1.SQLDVLN | 10 | SEL_DV | |
| S2.SQLDVLN | 10 | ||
| S3.SQLDVLN | 10 | ||
| S1.SELDVTYP | |||
| S2.SELDVTYP | |||
| S3.SELDVTYP | |||
| SEL_DI | |||
| S1.SQLDI | 0 | ||
| S2.SQLDI | 0 | ||
| S3.SQLDI | 0 | ||
| S1.SQLDH±VNAME | |||
| S2.SQLDH±VNAME | |||
| S3.SQLDH±VNAME | |||
| 1 2 3 4 5 | |||
| S1.SQLDH±MAX±VNAMEL | 5 | SEL_DH_VNAME | |
| S2.SQLDH±MAX±VNAMEL | 5 | ||
| S3.SQLDH±MAX±VNAMEL | 5 | ||
| S2.SQLDH±CUR±VNAMEL | |||
| S1.SQLDH±CUR±VNAMEL | |||
| S3.SQLDH±CUR±VNAMEL |