Define commit, rollback and savepoint?

1032

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How can we link a sql database to an existing android app?

1030

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How can you maintain the integrity of your database on instances where deleting an element in a table result in the deletion of the element(s) within another table?

1135

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what is error ora-03113: end-of-file on communication channel?

1165

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What is transaction control language (tcl)?

1139

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What is union and union all keyword in sql and what are their differences?

1108

---

What is the difference between sql and mysql?

1118

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When can we use the where clause and the having clause?

1020

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What is an example of translating a date into julian format?

1124

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What are the different types of constraints?

1187

---

What is data control language (dcl)?

1138

---

How can we implement rollback or commit statement in a trigger?

1039

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Why is there a need for sqlcode and sqlerrm variables?

1049

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What is auto increment feature in sql?

1124

---

What is the basic structure of an sql?

1099

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