Use Multiple Conditions in CAML Queries

1. One Condition

<Where>      
            <Eq><FieldRef Name=’Name’ /> <Value Type=’Text’>Aasai</Value></Eq>
</Where>

2. Two Conditions

<Where>
          <And>
            <Eq><FieldRef Name=’Title’ />  <Value Type=’Text’>Mr</Value></Eq>
            <Eq><FieldRef Name=’Name’ /> <Value Type=’Text’>Aasai</Value></Eq>
         </And>
</Where> 

3. Three Conditions

<Where>
      <And>
         <And>
            <Eq><FieldRef Name=’Title’ />  <Value Type=’Text’>Mr</Value></Eq>
            <Eq><FieldRef Name=’Name’ /> <Value Type=’Text’>Aasai</Value></Eq>
         </And>
         <Eq><FieldRef Name=’Address’ /> <Value Type=’Text’>Chennai</Value></Eq>
      </And>
   </Where>

4. Four Conditions

<Where>
      <And>
         <And>
            <Eq><FieldRef Name=’Title’ />  <Value Type=’Text’>Mr</Value></Eq>
            <Eq><FieldRef Name=’Name’ /> <Value Type=’Text’>Aasai</Value></Eq>
         </And>
        <And>
         <Eq><FieldRef Name=’Address’ /> <Value Type=’Text’>Chennai</Value></Eq>
         <Eq><FieldRef Name=’Country’ /> <Value Type=’Text’>India</Value></Eq>
         </And>
      </And>
   </Where>

5. Multiple Conditions

<Where>
    <And>
        <Or>
            <Eq>
                <FieldRef Name='FirstName' />
                <Value Type='Text'>John</Value>
            </Eq>
            <Or>
                <Eq>
                    <FieldRef Name='LastName' />
                    <Value Type='Text'>John</Value>
                </Eq>
                <Eq>
                    <FieldRef Name='Profile' />
                    <Value Type='Text'>John</Value>
                </Eq>
            </Or>
        </Or>
        <And>       
            <Or>
                <Eq>
                    <FieldRef Name='FirstName' />
                    <Value Type='Text'>Doe</Value>
                </Eq>
                <Or>
                    <Eq>
                        <FieldRef Name='LastName' />
                        <Value Type='Text'>Doe</Value>
                    </Eq>
                    <Eq>
                        <FieldRef Name='Profile' />
                        <Value Type='Text'>Doe</Value>
                    </Eq>
                </Or>
            </Or>
            <Or>
                <Eq>
                    <FieldRef Name='FirstName' />
                    <Value Type='Text'>123</Value>
                </Eq>
                <Or>
                    <Eq>
                        <FieldRef Name='LastName' />
                        <Value Type='Text'>123</Value>
                    </Eq>
                    <Eq>
                        <FieldRef Name='Profile' />
                        <Value Type='Text'>123</Value>
                    </Eq>
                </Or>
            </Or>
        </And>
    </And>
</Where>