Subquery lar
Ichma-ich so'rovlar, korrelyatsiyalangan subquery, IN va EXISTS bo'yicha SQL masalalar.
29 masala
| Holat | # | Nomi | Qiyinlik | Qabul % | Mavzular |
|---|---|---|---|---|---|
| 1 | Oson | Oson | 35% | ||
| 6 | Oson | Oson | 43% | ||
| 7 | Oson | Oson | 25% | ||
| 11 | Oson | Oson | 100% | ||
| 108 | Oson | Oson | — | ||
| 109 | Kartasi yo'q mijozlarPremium Oson | Oson | — | ||
| 110 | Oson | Oson | — | ||
| 2 | O'rtacha | O'rtacha | 100% | ||
| 15 | O'rtacha | O'rtacha | 33% | ||
| 39 | O'rtacha | O'rtacha | 100% | ||
| 40 | O'rtacha | O'rtacha | 100% | ||
| 44 | O'rtacha | O'rtacha | 100% | ||
| 111 | Oxirgi narx (korrelyatsion)Premium O'rtacha | O'rtacha | — | ||
| 112 | Har qandayidan yuqori maoshPremium O'rtacha | O'rtacha | — | ||
| 113 | Barchasidan yuqori maoshPremium O'rtacha | O'rtacha | — | ||
| 114 | O'rtacha | O'rtacha | — | ||
| 115 | O'rtacha | O'rtacha | — | ||
| 116 | EXISTS va IN — qayta yozishPremium O'rtacha | O'rtacha | — | ||
| 117 | HAVING ichida subqueryPremium O'rtacha | O'rtacha | — | ||
| 118 | LATERAL asoslariPremium O'rtacha | O'rtacha | — | ||
| 4 | Qiyin | Qiyin | 25% | ||
| 119 | Qiyin | Qiyin | — | ||
| 120 | Qiyin | Qiyin | — | ||
| 121 | Qiyin | Qiyin | — | ||
| 122 | Qiyin | Qiyin | — | ||
| 123 | Qiyin | Qiyin | — | ||
| 124 | Qiyin | Qiyin | — | ||
| 125 | Qiyin | Qiyin | — | ||
| 126 | Qiyin | Qiyin | — |